Harvard University Herbaria & Libraries

<<  < Previous
Poaceae
GH: 00355978 Paspalum dilatatum Poiret USA: California McKinnan's Landing near Stinson Beach, Marin... J. T. Howell 21364 1945-8-5
GH: 00024219 Paspalum galapageium Chase Ecuador: Galapagos Province 3 miles south of Equator, east side, Albemar... J. T. Howell 9612 1932-5-30
GH: 00024220 Paspalum galapageium minoratum Chase Ecuador: Galapagos Province Academy Bay, Indefatigable [Santa Cruz]Islan... J. T. Howell 9042 1932-5-2
GH: 00024226 Paspalum redundans Chase Ecuador: Galapagos Province North side, Indefatigable [Santa Cruz] Islan... J. T. Howell 9902 1932-6-9
GH: 00360488 Phalaris aquatica Linnaeus USA: California Tiburon J. T. Howell 21381 1945-8-12
GH: 00360509 Phalaris aquatica Linnaeus USA: California 4 miles north of Loleta J. T. Howell 13721 1937-7-31
GH: 00360510 Phalaris canariensis Linnaeus USA: California Near Nelson J. T. Howell 5446 1902-5-3
GH: 00360543 Phalaris lemmonii Vasey USA: California Between Hamilton Field and Ignacio J. T. Howell 20833 1945-5-9
GH: 00404743 Phalaris lemmonii Vasey USA: California 2 miles north of Windsor J. T. Howell 1943-5-10
GH: 00360564 Phalaris minor Retzius USA: California Mill Valley J. T. Howell 1943-5-30
GH: 00360568 Phalaris paradoxa Linnaeus USA: California Near Liberty's J. T. Howell 21311 1945-7-15
GH: 00360509 Phalaris tuberosa stenoptera (Hackel) Hitchcock USA: California 4 miles north of Loleta J. T. Howell 13721 1937-7-31
GH: 00360592 Phleum pratense Linnaeus USA: California Snata Venetia J. T. Howell 19645 1944-6-25
GH: 00360506 Pholiurus incurvus (Linnaeus) Schinz & Thellung USA: California San Rafael J. T. Howell 20816 1945-5-6
GH: 00360608 Pleuropogon californicus (Nees) Bentham USA: California between Hamilton Field and Ignacio J. T. Howell 20828 1945-5-9
GH: 00360612 Pleuropogon californicus (Nees) Bentham USA: California Between Petaluma and Chileno Valley J. T. Howell 19484 1944-5-14
GH: 00360616 Pleuropogon californicus (Nees) Bentham USA: California southwest of Sonoma J. T. Howell 21593 1946-3-31
GH: 00360621 Pleuropogon hooverianus (L. D. Benson) J. T. Howell USA: California Lagunitas Meadows, Mt. Tamalpais J. T. Howell 18155 1943-5-22
GH: 00360656 Poa bolanderi Vasey USA: California Eagle Lake Trail near Mineral King J. T. Howell 17155 1945-7-25
GH: 00360657 Poa bolanderi Vasey USA: California Donner Pass to Mt. Lincoln J. T. Howell 18643 1943-7-21
GH: 00360708 Poa cusickii epilis (Scribner) W. A. Weber USA: California High gap south of Elizabeth Lake. J. T. Howell 20153 1944-8-8
GH: 00360712 Poa cusickii epilis (Scribner) W. A. Weber USA: California Mono Rock J. T. Howell 22537 1946-7-20
GH: 00360714 Poa cusickii epilis (Scribner) W. A. Weber USA: California Gaylor Lakes J. T. Howell 20421 1944-8-12
GH: 00360715 Poa cusickii epilis (Scribner) W. A. Weber USA: California Gaylor Lakes J. T. Howell 20379 1944-8-12
GH: 00360716 Poa cusickii epilis (Scribner) W. A. Weber USA: California Little Five Lakes Basin J. T. Howell 17414 1942-7-29
GH: 00360718 Poa cusickii epilis (Scribner) W. A. Weber USA: California Columbine Lake J. T. Howell 17813 1942-8-7
GH: 00360719 Poa cusickii epilis (Scribner) W. A. Weber USA: California Kaweah Gap J. T. Howell 17622 1942-8-3
GH: 00360720 Poa cusickii epilis (Scribner) W. A. Weber USA: California Near Garnet Lake J. T. Howell 16772 1941-8-5
GH: 00360688 Poa douglasii Nees USA: California Dunes near the radio station, Pt. Reyes Peni... J. T. Howell 21687 1946-4-21
GH: 00360691 Poa douglasii Nees USA: California Dillons Beach J. T. Howell 21741 1946-5-4
GH: 00360708 Poa epilis Scribner USA: California High gap south of Elizabeth Lake. J. T. Howell 20153 1944-8-8
GH: 00360712 Poa epilis Scribner USA: California Mono Rock J. T. Howell 22537 1946-7-20
GH: 00360714 Poa epilis Scribner USA: California Gaylor Lakes J. T. Howell 20421 1944-8-12
GH: 00360715 Poa epilis Scribner USA: California Gaylor Lakes J. T. Howell 20379 1944-8-12
GH: 00360716 Poa epilis Scribner USA: California Little Five Lakes Basin J. T. Howell 17414 1942-7-29
GH: 00360718 Poa epilis Scribner USA: California Columbine Lake J. T. Howell 17813 1942-8-7
GH: 00360719 Poa epilis Scribner USA: California Kaweah Gap J. T. Howell 17622 1942-8-3
GH: 00360720 Poa epilis Scribner USA: California Near Garnet Lake J. T. Howell 16772 1941-8-5
GH: 00360756 Poa hansenii Scribner USA: California Little Five Lakes Basin J. T. Howell 17587 1942-8-2
GH: 00360740 Poa howellii Vasey & Scribner USA: California Bald Mt. west of San Anselmo J. T. Howell 23086 1947-4-27
GH: 00360744 Poa kelloggii Vasey USA: California 1.5 miles north of Felton J. T. Howell 19850 1944-6-10
GH: 00360750 Poa leibergii Scribner USA: California North side of Mono Pass J. T. Howell 22518 1946-7-18
GH: 00360756 Poa leibergii Scribner USA: California Little Five Lakes Basin J. T. Howell 17587 1942-8-2
GH: 00360759 Poa leibergii Scribner USA: California Near Garnet Lake J. T. Howell 16720 1941-8-3
GH: 00360761 Poa leibergii Scribner USA: California Mt. Conness J. T. Howell 20534 1944-8-15
GH: 00360768 Poa nervosa (Hooker) Vasey USA: California Castle Peak J. T. Howell 18550 1943-7-18
GH: 00360769 Poa nervosa (Hooker) Vasey USA: California High gap south of Elizabeth Lake J. T. Howell 20151 1944-8-8
GH: 00360774 Poa nervosa (Hooker) Vasey USA: California Near Garnet Lake J. T. Howell 16418 1941-7-24
GH: 00360821 Poa pringlei Scribner USA: California Mt. Kaweah J. T. Howell 17488 1942-7-31
GH: 00360822 Poa pringlei Scribner USA: California Castle Peak J. T. Howell 18606 1943-7-20
GH: 00360832 Poa rupicola Nash USA: California Glacier Canyon, Mt. Dana J. T. Howell 20260 1944-8-10
GH: 00360838 Poa secunda J. Presl USA: California Clay flats, Salinas Valley, 1 miles south of... J. T. Howell 31132 1956-3-23
GH: 00360848 Poa secunda J. Presl USA: California Tuburon Peninsula J. T. Howell 18093 1943-5-15
GH: 00360849 Poa secunda J. Presl USA: California Near Garnet Lake J. T. Howell 16425 1941-7-24
GH: 00360868 Poa secunda J. Presl USA: California Plaskett Meadows J. T. Howell 18976 1943-8-3
GH: 00360886 Poa secunda J. Presl USA: California High gap south of Elizabeth Lake J. T. Howell 20150 1944-8-8
GH: 00361013 Poa secunda J. Presl USA: California Sierra Valley near Beckwourth. J. T. Howell 37755 1962-6-18
GH: 00361036 Poa sierrae J. T. Howell USA: California "Lewisia Rock", 3.5 miles southwest of Belde... J. T. Howell 42740 1967-6-23
GH: 00361037 Poa sierrae J. T. Howell USA: California Near mouth of Granite Creek, el. 2000 ft. Ca... J. T. Howell 42650 1967-6-22
GH: 00360821 Poa suksdorfii (Beal) Vasey ex Piper USA: California Mt. Kaweah J. T. Howell 17488 1942-7-31
GH: 00361044 Poa unilateralis Scribner USA: California Point Reyes Lighthouse J. T. Howell 21953 1946-5-26
GH: 00341336 Podagrostis thurberiana (Hitchcock) Hultén USA: California Dog Lake, Tuolumne Co. J. T. Howell 20036 1944-8-6
GH: 00361063 Polypogon interruptus Kunth USA: California Camp Hardy, Mt. Tamalpais J. T. Howell 1944-6-18
GH: 00361069 Polypogon maritimus Willdenow USA: California Sulphur Banks J. T. Howell 21218 1945-6-22
GH: 00361106 Polypogon monspeliensis (Linnaeus) Desfontaines USA: California Carson Ridge J. T. Howell 1942-6-21
GH: 00361654 Ptilagrostiella kingii (Bolander) Romaschenko, P. M. Peterson & Soreng USA: California Near Garnet Lake J. T. Howell 16735 1941-8-3
GH: 00361654 Ptilagrostis kingii (Bolander) Barkworth USA: California Near Garnet Lake J. T. Howell 16735 1941-8-3
GH: 00361124 Schedonorus arundinaceus (Schreber) Dumortier USA: California Between Bootjack and Mountain Theater, Mt. T... J. T. Howell 30257 1955-5-29
GH: 00341154 Schismus arabicus Nees USA: California San Lorenzo Creek 4.5 miles from King City, ... J. T. Howell 32117 1957-4-30
GH: 00361130 Scribneria bolanderi (Thurber) Hackel USA: California South end of Carson Ridge J. T. Howell 21776 1946-5-12
GH: 00361131 Scribneria bolanderi (Thurber) Hackel USA: California just west of Tower House J. T. Howell 29178 1954-4-26
GH: 00361132 Scribneria bolanderi (Thurber) Hackel USA: California along fire road between Mountain Theater and... J. T. Howell 28317 1952-5-30
GH: 00361135 Scribneria bolanderi (Thurber) Hackel USA: California Between Dog Lake and Tuolumne Meadows J. T. Howell 20010 1944-8-6
GH: 00361138 Scribneria bolanderi (Thurber) Hackel USA: California Upper St. Helena Creek. J. T. Howell 15464 1940-5-19
GH: 00355628 Setaria geniculata P. Beauvois USA: California Phoenix Lake, Mt. Tamalpais, Marin Co. J. T. Howell 22997 1946-9-8
GH: 00355628 Setaria parviflora (Poiret) Kerguélen USA: California Phoenix Lake, Mt. Tamalpais, Marin Co. J. T. Howell 22997 1946-9-8
GH: 00365150 Sitanion hansenii (Scribner) J. G. Smith USA: California Devils Gulch near Camp Taylor J. T. Howell 24325 1948-5-31
GH: 00365152 Sitanion hansenii (Scribner) J. G. Smith USA: California Mineral King J. T. Howell 17112 1942-7-24
GH: 00361990 Sitanion hystrix californicum (J. G. Smith) F. D. Wilson USA: California San Joaquin Mt. J. T. Howell 16863 1941-8-8
GH: 00365104 Sitanion jubatum J. G. Smith USA: California Carson Ridge J. T. Howell 16990 1942-6-21
GH: 00355926 Spartina foliosa Trinius USA: California Burdell marshes, Marin Co. J. T. Howell 21413 1945-8-14
GH: 00355597 Stenotaphrum secundatum Kuntze USA: California west of Mill Valley on road to Muir Woods, M... J. T. Howell 21330 1945-7-22
GH: 00361485 Stipa californica Merrill & Burtt Davy USA: California Columbine Lake J. T. Howell 17804 1942-8-7
GH: 00361489 Stipa californica Merrill & Burtt Davy USA: California Plaskett Meadows J. T. Howell 18980 1943-8-3
GH: 00361420 Stipa lemmonii (Vasey) Scribner USA: California Plaskett Meadows J. T. Howell 18979 1943-8-3
GH: 00361605 Stipa lepida Hitchcock USA: California Carson Ridge J. T. Howell 21916 1946-5-19
GH: 00361606 Stipa lepida Hitchcock USA: California San Rafael Hills J. T. Howell 20809 1945-5-6
GH: 00361432 Stipa nevadensis B. L. Johnson USA: California Near Garnet Lake J. T. Howell 16493 1941-7-30
GH: 00361438 Stipa occidentalis Thurber ex S. Watson USA: California Tuolumne Meadows J. T. Howell 20018 1944-8-6
GH: 00361439 Stipa occidentalis Thurber ex S. Watson USA: California Boreal Ridge, West side of Donner Pass near ... J. T. Howell 18420 1943-7-16
GH: 00361446 Stipa occidentalis Thurber ex S. Watson USA: California Above timberline, Mt. Kaweah J. T. Howell 17469 1942-7-31
GH: 00361496 Stipa pinetorum M. E. Jones USA: California White Chief Trail J. T. Howell 27858 1951-7-17
GH: 00361497 Stipa pinetorum M. E. Jones USA: California Mono Mesa J. T. Howell 22764 1946-7-26
GH: 00361642 Stipa pulchra Hitchcock USA: California Southeast side, Angel Island J. T. Howell 21849 1946-5-16
GH: 00365353 Taeniatherum caput-medusae (Linnaeus) Nevski USA: California Kelseyville J. T. Howell 20997 1945-6-18
GH: 00365355 Thinopyrum junceiforme (A. Löve & D. Löve) Á. Löve USA: California San Francisco: Dunes at Taraval St. and 47th... J. T. Howell 20769 1944-10-25
GH: 00361202 Torreyochloa pallida pauciflora (J. Presl) J. I. Davis USA: California Portrero Meadow, Mt. Tamalpais J. T. Howell 1943-7-11
GH: 00361203 Torreyochloa pallida pauciflora (J. Presl) J. I. Davis USA: California Sky Parlor Meadow, Chagoopa Plateau J. T. Howell 17519 1942-8-1
GH: 00361171 Trisetum canescens Buckley USA: California "Chianti Country" J. T. Howell 1940-5-12
GH: 00361178 Trisetum canescens Buckley USA: California Between Big Arroyo and Chagoopa Plateau J. T. Howell 17670 1942-8-5
GH: 00361238 Trisetum congdonii Scribner & Merrill USA: California Ridge south of Elizabeth Lake J. T. Howell 20146 1944-8-8
GH: 00024555 Trisetum howellii Hitchcock Ecuador: Galapagos Province Mount Crocker, Indefatigable [Santa Cruz] Is... J. T. Howell 9208 1932-5-9
GH: 00361178 Trisetum projectum Louis-Marie USA: California Between Big Arroyo and Chagoopa Plateau J. T. Howell 17670 1942-8-5
GH: 00361228 Trisetum spicatum (Linnaeus) K. Richter USA: California Near Garnet Lake J. T. Howell 16764 1941-8-5
GH: 00361231 Trisetum spicatum (Linnaeus) K. Richter USA: California Above timberline, Mt. Kaweah J. T. Howell 17463 1942-7-31
GH: 00361238 Trisetum spicatum congdonii (Scribner & Merrill) Hitchcock USA: California Ridge south of Elizabeth Lake J. T. Howell 20146 1944-8-8
GH: 00361252 Trisetum wolfii Vasey USA: California Slope north of Tuolumne Meadows J. T. Howell 20026 1944-8-6
GH: 00361264 Vulpia bromoides (Linnaeus) A. Gray USA: California Berry Trail, Mt. Tamalpais J. T. Howell 1939-5-14
GH: 00361270 Vulpia bromoides (Linnaeus) A. Gray USA: California Throckmorton Trail, Mt. Tamalpais J. T. Howell 13915 1938-6-19
GH: 00341829 Vulpia microstachys (Nuttall) Bentham USA: California San Anselmo Canyon, Marin Co. J. T. Howell 13793 1938-5-22
GH: 00341845 Vulpia microstachys confusa (Piper) Lonard & Gould USA: California 1 mile south of Lakeport J. T. Howell 18022 1943-5-11
GH: 00341834 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California Walter Springs J. T. Howell 14624 1939-4-30
GH: 00341836 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California Laurel Dell, Mt. Tamalpais J. T. Howell 13909 1938-6-9
GH: 00361282 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California 1 mile south of Lakeport J. T. Howell 18023 1943-5-11
GH: 00361288 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California Jolon J. T. Howell 33021 1953-4-29
GH: 00361289 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California between Barths Retreat and Portrero Meadow, ... J. T. Howell 21840 1946-5-14
GH: 00361299 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California Hills sw. of St. Helena J. T. Howell 18238 1943-6-20
GH: 00361301 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California 1 miles south of Lakeport J. T. Howell 18021 1943-5-11
GH: 00361303 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California Near Bootjack, Mt. Tamalpais J. T. Howell 16233 1941-5-25
GH: 00361305 Vulpia microstachys ciliata (A. Gray ex Beal) Lonard & Gould USA: California 3 miles southwest of Twin Bridges on road to... J. T. Howell 39856 1963-7-12
GH: 00341852 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California San Francisco: Serpentine cut, east end of 2... J. T. Howell 32167 1957-5-5
GH: 00341855 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Sawmill Flat, Bartlett Mountain J. T. Howell 21008 1945-6-18
GH: 00341856 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Serpentine slope between Barths Retreat and ... J. T. Howell 21839 1946-5-14
GH: 00341858 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Corral Hollow J. T. Howell 13734 1938-4-3
GH: 00341870 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California 1 miles south of Lakeport J. T. Howell 18020 1943-5-11
GH: 00341872 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Plaskett Meadows J. T. Howell 19725 1944-7-13
GH: 00341873 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California 3 miles westerly from Sequoia Lake J. T. Howell 35479 1960-6-8
GH: 00341881 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California San Anselmo Canyon J. T. Howell 13792 1938-5-22
GH: 00341884 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Laurel Dell, Mt. Tamalpais J. T. Howell 13908 1938-6-9
GH: 00341894 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California Hospital Canyon J. T. Howell 13751 1938-4-10
GH: 00341923 Vulpia microstachys pauciflora (Scribner ex Beal) Lonard & Gould USA: California between Barths Retreat and Potrero Meadow, M... J. T. Howell 21838 1946-5-14
GH: 00361291 Vulpia myuros (Linnaeus) C. C. Gmelin USA: California Fairfax J. T. Howell 18115 1943-5-22
GH: 00361292 Vulpia myuros (Linnaeus) C. C. Gmelin USA: California Mulholland Drive 1.3 miles west of Laurel Ca... J. T. Howell 18115 1943-5-22
GH: 00361314 Vulpia myuros hirsuta Hackel USA: California Upper part of Cascade Canyon, Mt. Tamalpais J. T. Howell 24299 1948-5-16
GH: 00361316 Vulpia myuros hirsuta Hackel USA: California Kern River Canyon above Roads End J. T. Howell 37296 1962-5-22
GH: 00361328 Vulpia myuros hirsuta Hackel USA: California Zigzag Fire Trail, Mt. Tamalpais J. T. Howell 13914 1938-6-19
GH: 00361367 Vulpia octoflora (Walter) Rydberg USA: California Carson Ridge J. T. Howell 21778 1946-5-12
Polemoniaceae
GH: 01083840 Allophyllum gilioides (Bentham) V. E. Grant & A. D. Grant USA: California Greenhorn Mts., dry flat 2.3 mi from Alta Si... J. T. Howell 51737 1976-5-18
GH: 01083803 Allophyllum integrifolium (Brand) A. D. Grant & V. E. Grant USA: California near Dorrington J. T. Howell 53051 1978-6-26
GH: 00385094 Eriastrum densifolium sanctorum (Milliken) H. Mason USA: California Santa Ana Canyon J. T. Howell 2985 1927-8-13
GH: 00303706 Eriastrum sparsiflorum (Eastwood) H. Mason USA: California Zumwalt Meadows, Kings River Canyon J. T. Howell 16142
GH: 00303706 Eriastrum wilcoxii (A. Nelson) H. Mason USA: California Zumwalt Meadows, Kings River Canyon J. T. Howell 16142
GH: 00385110 Gilia capitata chamissonis (Greene) V. E. Grant USA: California north end of Bodega Bay J. T. Howell 5272 1930-6-8
GH: 00385111 Gilia capitata chamissonis (Greene) V. E. Grant USA: California San Francisco: west of Sutro Forest J. T. Howell 11332 1933-5-23
GH: 00385145 Gilia latiflora (A. Gray) A. Gray USA: California east slope of the Greenhorn Range J. T. Howell 5073 1930-5-14
GH: 00303706 Gilia sparsiflora Eastwood USA: California Zumwalt Meadows, Kings River Canyon J. T. Howell 16142
GH: 00385207 Leptosiphon ambiguus (Rattan) J. M. Porter & L. A. Johnson USA: California Near Hernandez J. T. Howell 11180 1933-4-23
GH: 01105115 Leptosiphon bolanderi (A. Gray) J. M. Porter & L. A. Johnson USA: California [data not captured] J. T. Howell 19777 1944-7-14
GH: 01105210 Leptosiphon chrysanthus J. M. Porter & R. Patterson USA: California [data not captured] J. T. Howell 3822 1928-5-25
A: 00385237 Leptosiphon nuttallii (A. Gray) J. M. Porter & L. A. Johnson USA: California Pioneer Basin J. T. Howell 22669 1946-7-22
GH: 00385245 Leptosiphon pygmaeus (Brand) J. M. Porter & L. A. Johnson USA: California The Pinnacles J. T. Howell 12941 1937-5-19
GH: 00403080 Leptosiphon serrulatus (Greene) J. M. Porter & L. A. Johnson USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5132 1930-5-15
GH: 00385207 Linanthus ambiguus (Rattan) Greene USA: California Near Hernandez J. T. Howell 11180 1933-4-23
A: 00385237 Linanthus nuttallii (A. Gray) Greene ex Milliken USA: California Pioneer Basin J. T. Howell 22669 1946-7-22
GH: 00385245 Linanthus pygmaeus (Brand) J. T. Howell USA: California The Pinnacles J. T. Howell 12941 1937-5-19
GH: 00403080 Linanthus serrulatus Greene USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5132 1930-5-15
GH: 00385257 Navarretia cotulifolia (Bentham) Hooker & Arnott USA: California Walter Springs J. T. Howell 14626 1939-4-30
GH: 00385263 Navarretia cotulifolia (Bentham) Hooker & Arnott USA: California near Middletown J. T. Howell 13107 1937-7-18
GH: 00385264 Navarretia cotulifolia (Bentham) Hooker & Arnott USA: California Near Hollister J. T. Howell 13806 1938-5-28
GH: 01565591 Navarretia divaricata (Torrey ex A. Gray) Greene USA: California [data not captured] J. T. Howell 13687 1937-7-30
GH: 01565850 Navarretia mellita Greene USA: California [data not captured] J. T. Howell 12945 1937-5-19
GH: 00091330 Navarretia nigellaeformis radians J. T. Howell USA: California 12 miles south of Paicines J. T. Howell 12962 1937-5-20
GH: 01565916 Navarretia subuligera Greene USA: Oregon [data not captured] J. T. Howell 6778 1931-6-19
Polygalaceae
GH: 00347764 Polygala cornuta Kellogg USA: California Serpentine slope J. T. Howell 30449 1955-6-14
A: 00347769 Polygala cornuta Kellogg USA: California 2 miles west of Pacific House J. T. Howell 18896 1943-7-28
GH: 00027005 Polygala sancti-georgii oblanceolata J. T. Howell Ecuador: Galapagos Province Jervis [Rabida] Island J. T. Howell 9737 1932-6-6
Polygonaceae
GH: 02346226 Aconogonon davisae (Brewer ex A. Gray) Soják USA: Oregon [data not captured] J. T. Howell 1874
GH: 01717469 Chorizanthe biloba immemora Reveal & Hardham USA: California Near Hernandez J. T. Howell 11551 1933-8-17
GH: 00872196 Chorizanthe clevelandii Parry USA: California Near Hernandez, San Benito Co. J. T. Howell 11552 1933-8-17
GH: 01717518 Chorizanthe clevelandii Parry USA: California Mirabel Mine J. T. Howell 13103 1937-7-18
GH: 00369843 Chorizanthe cuspidata villosa (Eastwood) Munz USA: California Dillons Beach J. T. Howell 21747 1946-5-4
GH: 00369847 Chorizanthe cuspidata villosa (Eastwood) Munz USA: California Dillons Beach J. T. Howell 22176 1946-7-4
GH: 00036091 Chorizanthe staticoides Bentham USA: California Monrovia Canyon, San Gabriel Mountains J. T. Howell 3876 1928-6-10
GH: 00036091 Chorizanthe staticoides brevispina Goodman USA: California Monrovia Canyon, San Gabriel Mountains J. T. Howell 3876 1928-6-10
GH: 01717888 Chorizanthe xantii S. Watson USA: California Kern Canyon, 7 miles above Kernville J. T. Howell 5034 1930-5-13
GH: 00036243 Eriogonum apricum J. T. Howell USA: California Ione hills 2 miles north-northeast of Buena ... J. T. Howell 30033 1954-9-5
GH: 00036246 Eriogonum argillosum J. T. Howell USA: California Poncho Rico Canyon J. T. Howell 5999 1931-3-23
GH: 00369969 Eriogonum argillosum J. T. Howell USA: California 11 miles from Hernandez on road to San Benit... J. T. Howell 11158 1933-4-23
GH: 00036271 Eriogonum cernuum viminale S. Stokes USA: Nevada 44 miles southwest of Wendover J. T. Howell 7952 1931-8-24
GH: 00036268 Eriogonum cernuum multipedunculatum S. Stokes USA: Nevada 40 miles west of Austin J. T. Howell 7988 1931-8-25
GH: 00369982 Eriogonum cinereum Bentham USA: California Pt. Mugu J. T. Howell 3137 1927-10-8
GH: 00403060 Eriogonum covilleanum Eastwood USA: California East of Priest Valley in western Fresno Coun... J. T. Howell 32097 1957-4-29
GH: 00364102 Eriogonum fasciculatum foliolosum (Nuttall) S. Stokes ex Abrams USA: California Canyon of Arroyo Seco River, 3.5 miles from ... J. T. Howell 30636 1955-7-8
A: 00364117 Eriogonum fasciculatum foliolosum (Nuttall) S. Stokes ex Abrams USA: California 17 miles east of Jamesburg, Santa Lucia Mts.... J. T. Howell 11567 1933-8-18
GH: 00364133 Eriogonum fasciculatum obtusiflorum S. Stokes USA: California Los Banos Hills J. T. Howell 13832 1938-5-28
GH: 00036367 Eriogonum heermannii occidentale S. Stokes USA: California 10 miles southeast of San Benito, clay and s... J. T. Howell 8062 1931-9-7
A: 00061914 Eriogonum heermannii occidentale S. Stokes USA: California 10 miles southeast of San Benito, clay and s... J. T. Howell 8062 1931-9-7
A: 00364254 Eriogonum heermannii occidentale S. Stokes USA: California Rocky wash of San Benito River at Erie Schoo... J. T. Howell 8086 1931-9-7
A: 00364257 Eriogonum heermannii occidentale S. Stokes USA: California Rocky wash of San Benito River at Erie Schoo... J. T. Howell 8086 1931-9-7
GH: 00364369 Eriogonum latifolium decurrens S. Stokes USA: California Mt. Hermon J. T. Howell 11612 1933-8-19
GH: 00036410 Eriogonum latifolium alternans S. Stokes USA: California Carmel Valley, 9 miles east of Carmel J. T. Howell 11592 1933-8-18
GH: 00364288 Eriogonum luteolum Greene USA: California Serpentine slope at head of Lucas Valley J. T. Howell 13944A 1938-7-3
GH: 00364289 Eriogonum luteolum Greene USA: California Serpentine slope at head of Lucas Valley J. T. Howell 13944A 1938-7-3
GH: 00364301 Eriogonum luteolum caninum (Greene) Reveal USA: California Between Lagunitas Meadows and Fairfax J. T. Howell 19683 1944-7-7
GH: 00364305 Eriogonum luteolum caninum (Greene) Reveal USA: California Tiburon J. T. Howell 13088 1937-7-4
GH: 00364360 Eriogonum microthecum Nuttall USA: California Near Fales Hot Springs J. T. Howell 14261 1938-8-6
GH: 00036433 Eriogonum microthecum intermedium S. Stokes USA: Nevada Ely J. T. Howell 7956 1931-8-24
GH: 00364359 Eriogonum microthecum laxiflorum Hooker USA: California Crooked Creek J. T. Howell 14325 1938-8-7
GH: 00364360 Eriogonum microthecum laxiflorum Hooker USA: California Near Fales Hot Springs J. T. Howell 14261 1938-8-6
GH: 00036433 Eriogonum microthecum simpsonii (Bentham) Reveal USA: Nevada Ely J. T. Howell 7956 1931-8-24
GH: 00364342 Eriogonum microthecum ambiguum (M. E. Jones) Reveal USA: California Patterson Mill Road, Warner Mts. J. T. Howell 12098 1934-6-13
GH: 00364343 Eriogonum microthecum ambiguum (M. E. Jones) Reveal USA: California Patterson Mill Road, Warner Mts. J. T. Howell 12098 1934-6-13
GH: 00036446 Eriogonum nodosum monoense S. Stokes USA: California Summit of Sherwin Grade J. T. Howell 14362 1938-8-7
GH: 00364368 Eriogonum nortonii Greene USA: California The Pinnacles J. T. Howell 12940 1937-5-19
GH: 01986348 Eriogonum nudum pubiflorum Bentham USA: California [data not captured] J. T. Howell 5463 1930-9-13
GH: 01986352 Eriogonum nudum pubiflorum Bentham USA: California [data not captured] J. T. Howell 51814 1976-7-14
GH: 00036410 Eriogonum nudum auriculatum (Bentham) Tracey ex Jepson USA: California Carmel Valley, 9 miles east of Carmel J. T. Howell 11592 1933-8-18
GH: 00364369 Eriogonum nudum decurrens (S. Stokes) M. L. Bowerman USA: California Mt. Hermon J. T. Howell 11612 1933-8-19
GH: 00364378 Eriogonum nudum indictum (Jepson) Reveal USA: California Los Banos Hills J. T. Howell 13829 1938-5-28
GH: 00364379 Eriogonum nudum indictum (Jepson) Reveal USA: California 2 miles NW. of Hernandez J. T. Howell 8082 1931-9-7
GH: 00036446 Eriogonum nummulare M. E. Jones USA: California Summit of Sherwin Grade J. T. Howell 14362 1938-8-7
GH: 00364388 Eriogonum nummulare M. E. Jones USA: California Bishop Creek J. T. Howell 40244 1963-8-21
GH: 00036454 Eriogonum nutans brevipedicellatum S. Stokes USA: Nevada 30 miles west of Eureka J. T. Howell 7974 1931-8-25
GH: 00036454 Eriogonum nutans nutans USA: Nevada 30 miles west of Eureka J. T. Howell 7974 1931-8-25
GH: 01986429 Eriogonum ordii S. Watson USA: California [data not captured] J. T. Howell 12974 1937-5-20
GH: 01986430 Eriogonum ordii S. Watson USA: California [data not captured] J. T. Howell 13830 1938-5-28
GH: 01966919 Eriogonum ordii S. Watson USA: California [data not captured] J. T. Howell 32109 1957-4-29
GH: 01986450 Eriogonum ovalifolium Nuttall USA: California [data not captured] J. T. Howell 12469 1934-7-7
GH: 00036466 Eriogonum ovalifolium bellum S. Stokes USA: Montana 14 miles south of Helena J. T. Howell 7900 1931-8-22
GH: 01986667 Eriogonum ovalifolium nivale (Canby) M. E. Jones USA: Nevada [data not captured] J. T. Howell 14199 1938-8-4
GH: 01986746 Eriogonum palmerianum Reveal USA: Nevada [data not captured] J. T. Howell 7944 1931-8-24
GH: 00364452 Eriogonum polypodum Small USA: California Chagoopa Plateau J. T. Howell 17496 1942-7-31
GH: 00364453 Eriogonum prociduum Reveal USA: California Along U.S. Highway 395, 3.5 miles north of t... J. T. Howell 2462 1971-6-22
GH: 00036499 Eriogonum puberulum S. Watson USA: Nevada 34 miles east of Eureka J. T. Howell 7962 1931-8-24
GH: 00036499 Eriogonum puberulum venosum S. Stokes USA: Nevada 34 miles east of Eureka J. T. Howell 7962 1931-8-24
GH: 01986932 Eriogonum pusillum Torrey & A. Gray USA: California [data not captured] J. T. Howell 32744 1957-6-24
GH: 01966319 Eriogonum reniforme Torr. & Frém. USA: California [data not captured] J. T. Howell 32731 1957-6-24
GH: 01966339 Eriogonum rixfordii S. Stokes USA: California [data not captured] J. T. Howell 4063 1928-6-20
GH: 01966356 Eriogonum rosense A. Nelson & P. B. Kennedy USA: California [data not captured] J. T. Howell 16390 1941-7-22
GH: 01966367 Eriogonum roseum Durand & Hilgard USA: California [data not captured] J. T. Howell 11695 1933-9-17
GH: 01966377 Eriogonum roseum Durand & Hilgard USA: California [data not captured] J. T. Howell 32761 1957-6-25
GH: 01966385 Eriogonum roseum Durand & Hilgard USA: California [data not captured] J. T. Howell 11543 1933-8-17
GH: 01966492 Eriogonum salicornioides Gandoger USA: Oregon [data not captured] J. T. Howell 28656 1952-7-5
GH: 00364481 Eriogonum siskiyouense Small USA: California Scott Mountain between Trinity and Siskiyou ... J. T. Howell 13627 1937-7-29
GH: 01966617 Eriogonum spergulinum A. Gray USA: California [data not captured] J. T. Howell 14504 1938-8-10
GH: 01966640 Eriogonum spergulinum reddingianum (M. E. Jones) J. T. Howell USA: California [data not captured] J. T. Howell 30536 1955-7-7
GH: 01966680 Eriogonum sphaerocephalum fasciculifolium (A. Nelson) S. Stokes USA: California [data not captured] J. T. Howell 11864 1934-6-10
GH: 00036466 Eriogonum strictum proliferum (Torrey & A. Gray) S. Stokes USA: Montana 14 miles south of Helena J. T. Howell 7900 1931-8-22
GH: 00443173 Eriogonum truncatum Torrey & A. Gray USA: California 10 miles from Clayton on Marsh Creek Road J. T. Howell 11816 1934-4-8
GH: 00364524 Eriogonum umbellatum Torrey USA: California Ridgetop on volcanic agglomerate near Dorrin... J. T. Howell 53035 1978-6-26
GH: 00364567 Eriogonum umbellatum Torrey USA: California Whiskey Creek J. T. Howell 14309 1938-8-7
GH: 02043775 Eriogonum umbellatum Torrey USA: California Harvey Valley J. T. Howell 12436 1934-7-6
A: 00364579 Eriogonum umbellatum polyanthum (Bentham) S. Stokes USA: California Mt. Lincoln J. T. Howell 18842 1943-7-26
GH: 00364524 Eriogonum umbellatum furcosum Reveal USA: California Ridgetop on volcanic agglomerate near Dorrin... J. T. Howell 53035 1978-6-26
GH: 00364537 Eriogonum umbellatum humistratum Reveal USA: California Scott Mt. between Siskiyou and Trinity count... J. T. Howell 13631 1937-7-29
GH: 00364567 Eriogonum umbellatum nevadense Gandoger USA: California Whiskey Creek J. T. Howell 14309 1938-8-7
A: 00364579 Eriogonum umbellatum nevadense Gandoger USA: California Mt. Lincoln J. T. Howell 18842 1943-7-26
GH: 02004590 Eriogonum umbellatum nevadense Gandoger USA: Nevada [data not captured] J. T. Howell 14171 1938-8-4
GH: 02043356 Eriogonum umbellatum haussknechtii (Dammer) M. E. Jones USA: Oregon [data not captured] J. T. Howell 7276 1931-7-9
GH: 02043774 Eriogonum umbellatum modocense (Greene) S. Stokes USA: California Duncan Horse Camp J. T. Howell 12327 1934-7-1
GH: 02043775 Eriogonum umbellatum modocense (Greene) S. Stokes USA: California Harvey Valley J. T. Howell 12436 1934-7-6
GH: 00364605 Eriogonum vestitum J. T. Howell USA: California Los Banos Hills J. T. Howell 13828 1938-5-28
GH: 02043985 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. T. Howell 10789 1932-9-2
GH: 02043969 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. T. Howell 12837 1936-8-26
GH: 02043968 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. T. Howell 8055 1931-9-7
GH: 01962011 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. T. Howell 11893 1934-6-10
GH: 01962008 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. T. Howell 10785 1932-9-18
GH: 02043998 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. T. Howell 11622 1933-8-27
GH: 01962019 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. T. Howell 12244 1934-6-17
GH: 00036268 Eriogonum watsonii Torrey & A. Gray USA: Nevada 40 miles west of Austin J. T. Howell 7988 1931-8-25
GH: 00364691 Eriogonum wrightii subscaposum S. Watson USA: California Timberline, Olancha Peak J. T. Howell 27205 1950-7-22
GH: 00364638 Eriogonum wrightii nodosum (Small) Reveal USA: California San Felipe Wash between Borrego Valley and Y... J. T. Howell 3245 1927-11-26
GH: 02365331 Fallopia convolvulus (Linnaeus) Á. Löve USA: Nevada [data not captured] J. T. Howell 49933 1973-7-12
GH: 00364708 Goodmania luteola (Parry) Reveal & Ertter USA: California Alkaline flats, Long Valley J. T. Howell 14379 1938-8-8
GH: 00036499 Johanneshowellia puberula (S. Watson) Reveal USA: Nevada 34 miles east of Eureka J. T. Howell 7962 1931-8-24
GH: 02365733 Lastarriaea coriacea (Goodman) Hoover USA: California [data not captured] J. T. Howell 32083 1957-4-29
GH: 02363050 Persicaria hydropiper (Linnaeus) Spach USA: California [data not captured] J. T. Howell 35071 1959-9-26
GH: 02363723 Persicaria lapathifolia (Linnaeus) Delarbre USA: California [data not captured] J. T. Howell 47413 1979-9-25
GH: 02363721 Persicaria lapathifolia (Linnaeus) Delarbre USA: California San Francisco: [data not captured] J. T. Howell 8125 1931-9-29
GH: 02363703 Persicaria lapathifolia (Linnaeus) Delarbre USA: California San Francisco: [data not captured] J. T. Howell 8124 1931-9-29
GH: 02362689 Persicaria punctata (Elliott) Small USA: California [data not captured] J. T. Howell 44134 1967-11-5
GH: 02362671 Persicaria punctata (Elliott) Small USA: California [data not captured] J. T. Howell 22167 1946-6-30
GH: 02361743 Polygonum aviculare Linnaeus USA: California [data not captured] J. T. Howell 45941 1969-8-26
GH: 02361742 Polygonum aviculare Linnaeus USA: California [data not captured] J. T. Howell 19429 1944-5-7
GH: 02361739 Polygonum aviculare Linnaeus USA: California San Francisco: [data not captured] J. T. Howell 32666 1957-6-16
GH: 02360111 Polygonum boreale (Lange) Small USA: California [data not captured] J. T. Howell 21282 1945-7-8
GH: 02360110 Polygonum boreale (Lange) Small USA: California [data not captured] J. T. Howell 25326 1949-5-22
GH: 02360284 Polygonum californicum Meisner USA: California [data not captured] J. T. Howell 5568 1930-10-12
GH: 02360283 Polygonum californicum Meisner USA: California [data not captured] J. T. Howell 5444 1930-8-24
GH: 02360280 Polygonum californicum Meisner USA: California [data not captured] J. T. Howell 37589 1962-6-16
GH: 02360391 Polygonum douglasii Greene USA: California [data not captured] J. T. Howell 38775 1962-9-22
GH: 02360387 Polygonum douglasii Greene USA: California [data not captured] J. T. Howell 50889 1974-9-20
GH: 02360963 Polygonum minimum S. Watson USA: California [data not captured] J. T. Howell 19195 1943-8-8
GH: 02360958 Polygonum minimum S. Watson USA: California [data not captured] J. T. Howell 34098 1958-7-30
GH: 02360957 Polygonum minimum S. Watson USA: California [data not captured] J. T. Howell 34570 1958-8-17
GH: 00364821 Polygonum patulum M. Bieberstein USA: California San Antonio Station J. T. Howell 21284 1945-7-8
GH: 00364822 Polygonum patulum M. Bieberstein USA: California Suisun Marshes at Suisun J. T. Howell 12576 1934-9-23
GH: 02007127 Polygonum patulum M. Bieberstein USA: California [data not captured] J. T. Howell 51013 1974-10-24
GH: 02007126 Polygonum patulum M. Bieberstein USA: California [data not captured] J. T. Howell 11712A 1933-10-22
GH: 02007187 Polygonum polygaloides confertiflorum (Nuttall ex Piper) J. C. Hickman USA: California [data not captured] J. T. Howell 37807 1962-6-18
GH: 02007261 Polygonum polygaloides kelloggii (Greene) J. C. Hickman USA: California [data not captured] J. T. Howell 18034 1943-5-11
GH: 02007260 Polygonum polygaloides kelloggii (Greene) J. C. Hickman USA: California [data not captured] J. T. Howell 19196 1943-8-8
GH: 02007253 Polygonum polygaloides kelloggii (Greene) J. C. Hickman USA: California [data not captured] J. T. Howell 13623 1937-7-29
GH: 02007585 Polygonum ramosissimum Michaux USA: California [data not captured] J. T. Howell 38349 1962-7-9
GH: 02007764 Polygonum sawatchense Small USA: California [data not captured] J. T. Howell 12528 1934-7-9
GH: 02007763 Polygonum sawatchense Small USA: California [data not captured] J. T. Howell 12317 1934-7-1
GH: 02007757 Polygonum sawatchense Small USA: California [data not captured] J. T. Howell 33745 1958-7-22
A: 00364804 Polygonum shastense W. H. Brewer USA: California Donner Pass to Mt. Lincoln J. T. Howell 18663 1943-7-21
GH: 00364811 Polygonum shastense W. H. Brewer USA: California Near Garnet Lake J. T. Howell 16756 1941-8-5
GH: 00364821 Polygonum sp. USA: California San Antonio Station J. T. Howell 21284 1945-7-8
GH: 00364822 Polygonum sp. USA: California Suisun Marshes at Suisun J. T. Howell 12576 1934-9-23
GH: 02007830 Polygonum spergulariiforme Meisner ex Small USA: California [data not captured] J. T. Howell 34963 1959-9-24
GH: 02007815 Polygonum spergulariiforme Meisner ex Small USA: California [data not captured] J. T. Howell 24182 1947-9-6
GH: 02006259 Rumex acetosella Linnaeus USA: California [data not captured] J. T. Howell 40892 1964-8-9
GH: 02006856 Rumex californicus K. H. Rechinger USA: California [data not captured] J. T. Howell 49714 1973-7-9
GH: 02006855 Rumex californicus K. H. Rechinger USA: California [data not captured] J. T. Howell 42017 1966-7-29
GH: 02006853 Rumex californicus K. H. Rechinger USA: California [data not captured] J. T. Howell 34257 1958-8-9
GH: 02005341 Rumex hymenosepalus Torrey USA: California [data not captured] J. T. Howell 32081 1957-4-29
GH: 02005480 Rumex maritimus fueginus (Philippi) Dusén USA: California San Francisco: [data not captured] J. T. Howell 1941-10-2
GH: 02004046 Rumex pulcher Linnaeus USA: California [data not captured] J. T. Howell 25351 1949-6-26
GH: 02004120 Rumex salicifolius Weinman USA: California San Francisco: [data not captured] J. T. Howell 31309 1956-4-29
GH: 02004115 Rumex salicifolius Weinman USA: California [data not captured] J. T. Howell 21460 1945-9-2
GH: 02004114 Rumex salicifolius Weinman USA: California [data not captured] J. T. Howell 22137 1946-6-30
GH: 02004112 Rumex salicifolius Weinman USA: California [data not captured] J. T. Howell 33812 1958-7-23
GH: 02004659 Rumex sp. USA: California [data not captured] J. T. Howell 1953-7-2
GH: 02004225 Rumex triangulivalvis (Danser) K. H. Rechinger USA: California [data not captured] J. T. Howell 19910 1944-8-4
GH: 02004222 Rumex triangulivalvis (Danser) K. H. Rechinger USA: Nevada [data not captured] J. T. Howell 15293 1939-8-13
GH: 02004217 Rumex triangulivalvis (Danser) K. H. Rechinger USA: California [data not captured] J. T. Howell 37834 1962-6-18
GH: 00443143 Systenotheca vortriedei (Brandegee) Reveal & Hardham USA: California Hanging Valley, Santa Lucia Mts., J. T. Howell 30649 1955-7-8
Polytrichaceae
FH: 01093543 Oligotrichum parallelum (Mitten) Kindberg USA: Washington slopes above Reflection Lake, Mt. Rainier J. T. Howell 1931-7-18
FH: 00918164 Polytrichum commune Hedwig USA: Oregon [data not captured] J. T. Howell 1931-6-22
FH: 00918786 Polytrichum juniperinum Hedwig Canada: British Columbia Vancouver Island: [data not captured] J. T. Howell 1931-8-4
FH: 00919321 Polytrichum piliferum Hedwig USA: Washington [data not captured] J. T. Howell 1931-7-15
Porellaceae
FH: 00506033 Madotheca navicularis (Lehmann & Lindenberg) Nees USA: California [data not captured] J. T. Howell 1932-10-19
FH: 00506034 Madotheca navicularis (Lehmann & Lindenberg) Nees USA: California San Francisco: [data not captured] J. T. Howell 1931-3-13
FH: 00508888 Porella navicularis (Lehmann & Lindenberg) Pfeiffer Mexico: Baja California Norte Guadalupe Island: [no additional data] J. T. Howell 1931-11-15
Portulacaceae
GH: 00376960 Calandrinia breweri S. Watson USA: California Vermont Canyon, Griffith Park J. T. Howell 3466 1928-3-20
GH: 01858152 Calandrinia ciliata (Ruiz & Pavon) de Candolle USA: California S. end of Carson Ridge J. T. Howell 1940-5-12
GH: 01858153 Calandrinia ciliata (Ruiz & Pavon) de Candolle USA: California Priest Valley J. T. Howell 32104 1957-4-29
GH: 00376990 Calyptridium pygmaeum Parish ex Rydberg USA: California Big Arroyo J. T. Howell 17427 1942-7-31
GH: 00376995 Calyptridium quadripetalum S. Watson USA: California Upper St. Helena Creek J. T. Howell 15460 1940-5-19
GH: 00376990 Cistanthe pygmaea (Parish ex Rydberg) Hershkovitz USA: California Big Arroyo J. T. Howell 17427 1942-7-31
GH: 00376995 Cistanthe quadripetala (S. Watson) Hershkovitz USA: California Upper St. Helena Creek J. T. Howell 15460 1940-5-19
GH: 01858359 Cistanthe umbellata (Torrey) Hershkovitz USA: California Merced River Canyon just west of El Portal J. T. Howell 40540 1964-4-27
GH: 01858606 Claytonia exigua Torrey & A. Gray USA: California Near summit of Butts Canyon road to Middleto... J. T. Howell 6152 1931-4-3
GH: 01858658 Claytonia gypsophiloides Fischer & C. A. Meyer USA: California Fairfax Hills J. T. Howell 21563 1946-3-24
GH: 00376981 Lewisia cotyledon heckneri (C. V. Morton) Munz USA: California Stuarts Fork of Trinity River J. T. Howell 13498 1937-7-25
GH: 00376984 Lewisia disepala Rydberg USA: California Between Snow Creek and Mt. Watkins ridge J. T. Howell 15573 1940-6-1
GH: 00040302 Portulaca howellii (D. Legrand) Eliasson Ecuador: Galapagos Province North Seymour Island J. T. Howell 9979 1932-6-11
GH: 00040302 Portulaca lutea howellii D. Legrand Ecuador: Galapagos Province North Seymour Island J. T. Howell 9979 1932-6-11
Pottiaceae
FH: 00301858 Barbula brachyphylla Sullivant USA: California San Nicolas Island, California J. T. Howell 10 1932-3-13
FH: 00516097 Barbula elata Müller Halle USA: California [data not captured] J. T. Howell 1931-3-10
FH: 00516574 Barbula vinealis Bridel USA: California [data not captured] J. T. Howell H142 1954-6-29
FH: 00516587 Barbula vinealis Bridel USA: California [data not captured] J. T. Howell 1954-3-18
FH: 00539812 Crossidium desertorum Holzinger & E. B. Bartram USA: California [data not captured] J. T. Howell 1932-3-13
FH: 00540323 Desmatodon convolutus (Bridel) Grout Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 1931-11-14
FH: 00540331 Desmatodon convolutus (Bridel) Grout Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 44 1931-11-14
FH: 00540332 Desmatodon convolutus (Bridel) Grout Mexico: Baja California Norte [data not captured] J. T. Howell 1931-11-18
FH: 00540438 Desmatodon latifolius (Hedwig) Bridel USA: Washington [data not captured] J. T. Howell 1931-7-23
FH: 00540405 Desmatodon systylius Schimper USA: California [data not captured] J. T. Howell 1946-7-26
FH: 00792734 Didymodon tophaceus (Bridel) Lisa USA: California [data not captured] J. T. Howell 21785 1954-4-24
FH: 00792737 Didymodon tophaceus (Bridel) Lisa USA: California [data not captured] J. T. Howell 1954-5-19
FH: 00301858 Didymodon vinealis brachyphyllus (Sullivant) R. H. Zander USA: California San Nicolas Island, California J. T. Howell 10 1932-3-13
FH: 00919407 Pottia fosbergii E. B. Bartram Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 1932-3-17
FH: 01147168 Tortula brevipes (Lesquereux) Brotherus Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 1931-11-14
FH: 01147169 Tortula brevipes (Lesquereux) Brotherus Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 1932-3-17
FH: 01147173 Tortula brevipes (Lesquereux) Brotherus Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 1931-11-14
FH: 01135227 Tortula intermedia (Bridel) De Notaris USA: California [data not captured] J. T. Howell 1925-6
FH: 01135386 Tortula muralis Hedwig USA: California [data not captured] J. T. Howell 1924-12-31
FH: 01135461 Tortula princeps De Notaris USA: California [data not captured] J. T. Howell 1931-3-10
FH: 01135646 Tortula princeps De Notaris USA: California [data not captured] J. T. Howell 1931-6-8
FH: 01135977 Tortula ruralis (Hedwig) G. Gaertner, B. Meyer & Scherbius Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 1932-3-17
FH: 01135981 Tortula ruralis (Hedwig) G. Gaertner, B. Meyer & Scherbius Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 46 1931-11-14
FH: 01135985 Tortula ruralis (Hedwig) G. Gaertner, B. Meyer & Scherbius Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 41 1931-11-14
FH: 01135989 Tortula ruralis (Hedwig) G. Gaertner, B. Meyer & Scherbius Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 43 1931-11-14
FH: 01135921 Tortula ruralis (Hedwig) G. Gaertner, B. Meyer & Scherbius USA: California [data not captured] J. T. Howell 1930-4-13
FH: 01135993 Tortula ruralis (Hedwig) G. Gaertner, B. Meyer & Scherbius USA: Oregon [data not captured] J. T. Howell 1931-6-28
FH: 00304488 Weissia controversa Hedwig Mexico: [data not captured] J. T. Howell 51 1931-11-14
Primulaceae
GH: 00424248 Androsace septentrionalis subumbellata A. Nelson USA: California Unglaciated ridge northwest of Mono Pass J. T. Howell 22793 1986-7-27
Pseudolepicoleaceae
FH: 00495795 Blepharostoma trichophyllum (Linnaeus) Dumortier USA: Washington [data not captured] J. T. Howell 1936-6-21
Psoraceae
FH: 00475023 Psora crenata (Taylor) Reinke Mexico: Baja California Norte Guadalupe Island: [no additional data] J. T. Howell 1932-3-17
FH: 00475081 Psora globifera (Acharius) A. Massalongo Mexico: Colima Socorro Island: [no additional data] J. T. Howell 1932-3-26
FH: 00474954 Psora sp. Mexico: Colima Socorro Island: [no additional data] J. T. Howell 1932-3-26
Ptilidiaceae
FH: 00509142 Ptilidium californicum (Austin) Pearson USA: Washington [data not captured] J. T. Howell 1931-7-15
Pucciniaceae
FH: 00950162 Puccinia distorta Holway USA: California Painted Canyon, Colorado Desert, Calif. J. T. Howell 1928-1-29
FH: 00955070 Puccinia giliae Harkness USA: California Head San Juan Canyon, Elsinore Mts. J. T. Howell 1928-7-9
FH: 01108126 Puccinia monoica (Peck) Arthur USA: California North Fork of Bishop Creek J. T. Howell 1958-5-27
FH: 01131915 Puccinia oenotherae Vize USA: California Seminole Hot Springs, Santa Monica Mountains J. T. Howell 1928-6-29
FH: 01131926 Puccinia oenotherae Vize USA: California Santa Ana Canyon J. T. Howell 1928-4-7
FH: 01129576 Puccinia plumbaria Peck USA: Nevada Peavine Mountain, northwest of Reno J. T. Howell 1972-5-13
FH: 00949401 Puccinia rubigo-vera apocrypta (Ellis & Tracy) Arthur USA: California Santa Ana Canyon J. T. Howell 1928-2-26
FH: 00783668 Uromyces proeminens (de Candolle) Léveillé USA: California Santa Ana Canyon J. T. Howell 1928-9-22
Radulaceae
FH: 00509589 Radula bolanderi Gottsche ex Stephani USA: California [data not captured] J. T. Howell 1932-10-19
Ranunculaceae
GH: 01720161 Aconitum columbianum Nuttall USA: California South Fork of Salmon River near Big Flat J. T. Howell 13323 1937-7-22
GH: 01720363 Aconitum columbianum viviparum (Greene) Brink USA: California Spirit Lake, Marble Mts. J. T. Howell 15074 1939-8-5
GH: 01706860 Anemone drummondii S. Watson USA: California Spirit Lake, Marble Mts. J. T. Howell 14873 1939-8-2
GH: 01709396 Aquilegia eximia Van Houtte USA: California Sage Canyon, Napa Range J. T. Howell 11636 1933-8-27
GH: 01709888 Aquilegia truncata Fischer & C. A. Meyer USA: California Caribou Basin, Salmon-Trinity Alps J. T. Howell 13388 1937-7-24
Rhamnaceae
A: 00425688 Ceanothus Linnaeus USA: California sw. of Laurel Dell, Mt. Tamalpais J. T. Howell 19368 1944-4-2
A: 00367905 Ceanothus confusus J. T. Howell USA: California Between Pinnacle Rock & Low Gap, Bartlett Mo... J. T. Howell 21131 1945-6-20
A: 00367951 Ceanothus cordulatus Kellogg USA: California Wawona Valley J. T. Howell 367 1924-6-3
A: 00367952 Ceanothus cordulatus Kellogg USA: California South Fork of Salmon River near Big Flat J. T. Howell 13189 1937-7-21
A: 01789379 Ceanothus crassifolius Torrey USA: California Trail to Santa Anita Canyon, San Gabriel Mts... J. T. Howell 3325 1928-2-9
A: 00349086 Ceanothus cuneatus (Hooker) Nuttall USA: California Near Petrified Forest J. T. Howell 13068 1937-7-4
A: 00349131 Ceanothus cuneatus (Hooker) Nuttall USA: California Wawona Valley J. T. Howell 304 1924-5-10
A: 00349192 Ceanothus cuneatus dubius J. T. Howell USA: California Sand hills near Ben Lomond J. T. Howell 14766 1939-6-16
A: 00349194 Ceanothus cuneatus dubius J. T. Howell USA: California Skyline Boulevard near Saratoga Gap J. T. Howell 14751 1939-6-16
A: 00349890 Ceanothus divaricatus Nuttall ex Torrey & A. Gray USA: California San Bernardino Mountains: below "Inspiration... J. T. Howell 2769 1927-7-10
A: 00349240 Ceanothus divergens Parry USA: California Franz Valley J. T. Howell 16162 1941-4-5
A: 00349241 Ceanothus divergens Parry USA: California Franz Valley J. T. Howell 16159 1941-4-5
A: 00349242 Ceanothus divergens Parry USA: California Franz Valley J. T. Howell 16160 1941-4-5
A: 00349243 Ceanothus divergens Parry USA: California Hills southwest of St. Helena J. T. Howell 16320 1941-6-21
A: 00349244 Ceanothus divergens Parry USA: California SW. of St. Helena J. T. Howell 16154 1941-3-9
A: 00349255 Ceanothus divergens Parry USA: California Rincon Ridge northeast of Santa Rosa J. T. Howell 12897 1937-4-11
A: 00349256 Ceanothus divergens Parry USA: California Rincon Ridge northeast of Santa Rosa J. T. Howell 13080 1937-7-4
A: 00349262 Ceanothus divergens Parry USA: California Sonoma Creek Canyon J. T. Howell 10937 1933-4-2
A: 00349263 Ceanothus divergens Parry USA: California Rincon Ridge near Santa Rosa J. T. Howell 10946 1933-4-2
A: 00349264 Ceanothus divergens Parry USA: California top of Parker Hill (N end of Parker Hill Rd.... J. T. Howell 10946 1933-4-2
A: 00349264 Ceanothus divergens confusus (J. T. Howell) Abrams USA: California top of Parker Hill (N end of Parker Hill Rd.... J. T. Howell 10946 1933-4-2
A: 00349289 Ceanothus ferrisiae McMinn USA: California 3 miles east of Madrone J. T. Howell 12992 1937-5-20
A: 00349292 Ceanothus ferrisiae McMinn USA: California Coyote Creek, 3 miles east of Madrone J. T. Howell 13093 1937-7-5
GH: 00349313 Ceanothus foliosus Parry USA: California Vine Hill District, 10 miles west of Santa R... J. T. Howell 5780 1931-3-14
A: 01789554 Ceanothus fresnensis Dudley ex Abrams USA: California Summit of Chowchilla Mt. J. T. Howell 6685 1931-6-8
A: 00349340 Ceanothus gloriosus J. T. Howell USA: California 8 miles s. of Stewart's Point J. T. Howell 11742 1934-3-3
A: 00349353 Ceanothus gloriosus exaltatus J. T. Howell USA: California Bolinas Ridge J. T. Howell 19361 1944-4-2
A: 00349354 Ceanothus gloriosus exaltatus J. T. Howell USA: California Vine Hill District, 9 miles west of Santa Ro... J. T. Howell 6694 1931-7-15
A: 00349355 Ceanothus gloriosus exaltatus J. T. Howell USA: California Vine Hill District, 10 miles west of Santa R... J. T. Howell 5781 1931-3-14
A: 00349356 Ceanothus gloriosus porrectus J. T. Howell USA: California near Ledum Swamp, Point Reyes Peninsula J. T. Howell 18265 1943-7-4
A: 00349357 Ceanothus gloriosus porrectus J. T. Howell USA: California Inverness Ridge J. T. Howell 19535 1944-6-4
A: 00349358 Ceanothus gloriosus porrectus J. T. Howell USA: California on Pt. Reyes road west of Ledum Swamp J. T. Howell 19348 1944-3-26
GH: 00349365 Ceanothus greggii A. Gray USA: California Suprise Canyon, Panamint Mts. J. T. Howell 3937A 1928-6-15
GH: 00349477 Ceanothus insularis Eastwood USA: California Santa Barbara: Cañada del Puerta Zuela, San... J. T. Howell 6215 1931-4-10
A: 00349516 Ceanothus integerrimus Hooker & Arnott USA: California Sawmill Flat to Ruppert Ridge J. T. Howell 21170 1945-6-21
A: 00349592 Ceanothus integerrimus Hooker & Arnott USA: California Near Sphinx Creek, Bubbs Creek J. T. Howell 15627 1940-7-28
A: 00349630 Ceanothus integerrimus Hooker & Arnott USA: California Between Cobb Mt. and Middletown J. T. Howell 15587 1940-6-29
A: 00349667 Ceanothus jepsonii Greene USA: California near Putah Creek bridge north of Middletown J. T. Howell 14643 1939-5-7
A: 00349670 Ceanothus jepsonii Greene USA: California Mt. St. Helena Creek, n. Napa Co. J. T. Howell 13100 1937-7-18
A: 00349677 Ceanothus jepsonii Greene USA: California 2 miles east of Occidental J. T. Howell 10959 1933-4-2
A: 00349697 Ceanothus jepsonii Greene USA: California Carson Ridge J. T. Howell 16992 1942-6-21
A: 00349731 Ceanothus lemmonii Parry USA: California Near Trinity Center J. T. Howell 12782 1936-8-25
A: 01789987 Ceanothus masonii McMinn USA: California Bolinas Ridge J. T. Howell 19365 1944-4-2
A: 01789988 Ceanothus masonii McMinn USA: California Bolinas Ridge J. T. Howell 19364 1944-4-2
A: 00349890 Ceanothus oliganthus Nuttall USA: California San Bernardino Mountains: below "Inspiration... J. T. Howell 2769 1927-7-10
A: 00425028 Ceanothus papillosus Torrey & A. Gray USA: California Sand hills 1 miles east of Felton J. T. Howell 19616 1944-6-11
A: 00425071 Ceanothus parryi Trelease USA: California Rincon Ridge J. T. Howell 16172 1941-4-5
A: 00425132 Ceanothus prostratus Bentham USA: California Stuarts Fork of Trinity River J. T. Howell 13494 1937-7-25
A: 00349255 Ceanothus prostratus divergens (Parry) K. Brandegee USA: California Rincon Ridge northeast of Santa Rosa J. T. Howell 12897 1937-4-11
A: 00349256 Ceanothus prostratus divergens (Parry) K. Brandegee USA: California Rincon Ridge northeast of Santa Rosa J. T. Howell 13080 1937-7-4
A: 01790076 Ceanothus pumilus Greene USA: California Coffee Creek Canyon near Battle Creek J. T. Howell 13589 1937-7-27
A: 00425157 Ceanothus purpureus Jepson USA: California Wooden Valley Grade J. T. Howell 13062 1937-7-4
A: 00425170 Ceanothus ramulosus (Greene) McMinn USA: California San Anselmo Canyon J. T. Howell 15524 1940-5-26
A: 00425174 Ceanothus ramulosus (Greene) McMinn USA: California Rattlesnake, Mt. Tamalpais J. T. Howell 13927 1938-6-19
A: 00425246 Ceanothus sonomensis J. T. Howell USA: California Slopes of Triniti Mt., 2 miles e. of Glen El... J. T. Howell 12609 1935-5-5
A: 00425247 Ceanothus sonomensis J. T. Howell USA: California Slopes of Triniti Mt., 2 miles e. of Glen El... J. T. Howell 10930 1933-4-1
A: 00425248 Ceanothus sonomensis J. T. Howell USA: California Sonoma Creek Canyon, M. S. Baker's place J. T. Howell 12907 1937-4-11
A: 00425263 Ceanothus sorediatus Hooker & Arnott USA: California Strawberry Canyon, Berkeley Hills J. T. Howell 4716 1930-4-17
A: 00425265 Ceanothus sorediatus Hooker & Arnott USA: California Near Hernandez J. T. Howell 11161 1933-4-23
A: 00425266 Ceanothus sorediatus Hooker & Arnott USA: California Skyline Blvd. near Saratoga Gap J. T. Howell 14750 1939-6-16
A: 00425288 Ceanothus sorediatus Hooker & Arnott USA: California Los Angeles: Cañon bottom, Vermont Cañon, ... J. T. Howell 3369 1928-3-2
GH: 00425511 Ceanothus sorediatus Hooker & Arnott USA: California Strawberry Canyon, Berkeley Hills J. T. Howell 4716 1930-4-17
A: 00425660 Ceanothus sp. USA: California Sonoma Creek Canyon at M. S. Baker's J. T. Howell 2908 1937-4-11
A: 00425667 Ceanothus sp. USA: California About 1 miles SW. of Calistoga J. T. Howell 16168 1941-4-5
A: 00425679 Ceanothus sp. USA: California Rincon Ridge J. T. Howell 16174 1941-4-5
GH: 00425680 Ceanothus sp. USA: California Upper part of Cascade Canyon, Mt. Tamalpais J. T. Howell 24298 1948-5-16
GH: 00425686 Ceanothus sp. USA: California Simmons Trail, Mt. Tamalpais J. T. Howell 23199 1947-5-25
A: 00425687 Ceanothus sp. USA: California Rattlesnake, Mt. Tamalpais J. T. Howell 13926 1938-6-19
A: 00425722 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12620 1935-5-5
A: 00425723 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12615 1935-5-5
A: 00425727 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12621 1935-5-5
A: 00425728 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12899 1937-4-11
A: 00425729 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12898 1937-4-11
A: 00425730 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12619 1935-5-5
A: 00425731 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12618 1935-5-5
A: 00425742 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12614 1935-5-5
A: 00425743 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12616 1935-5-5
A: 00425744 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12904 1937-4-11
A: 00425745 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12903 1937-4-11
A: 00425746 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12613 1935-5-5
A: 00425747 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12905 1937-4-11
A: 00425748 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12900 1937-4-11
A: 01790658 Ceanothus sp. USA: California 6 miles from Santa Rosa on road to Sonoma J. T. Howell 12901 1937-4-11
A: 00425319 Ceanothus spinosus Nuttall USA: California Santa Monica Mts., near Santa Monica J. T. Howell 3375 1928-3-4
GH: 00425406 Ceanothus thyrsiflorus Eschscholtz USA: California Road between Monterey and Carmel J. T. Howell 3021 1927-8-18
A: 00425492 Ceanothus tomentosus olivaceus Jepson USA: California Head of Claymine Cañon just to west of Sier... J. T. Howell 2608 1927-6-26
A: 00425589 Ceanothus velutinus Douglas USA: California Fnadango [sic] Pass, Warner Mts. J. T. Howell 12059 1934-6-13
A: 00425612 Ceanothus velutinus laevigatus Torrey & A. Gray USA: California Corte Madera Ridge, Mt. Tamalpais J. T. Howell 19389 1944-4-16
A: 00425760 Frangula californica (Eschscholtz) A. Gray USA: California Ruppert Ridge & Bartlett Flat, Bartlett Moun... J. T. Howell 21190 1945-6-21
A: 00425903 Frangula californica (Eschscholtz) A. Gray USA: California 3 miles n. of Sebastopol J. T. Howell 13955 1938-7-3
A: 00425961 Frangula californica occidentalis (Howell ex Greene) Kartesz & Gandhi USA: California Near junction of Tangle Blue and Scott Mt. c... J. T. Howell 12812 1936-8-26
A: 00425967 Frangula californica occidentalis (Howell ex Greene) Kartesz & Gandhi USA: California 5 miles east of Berry Summit J. T. Howell 13717 1937-7-31
A: 00378107 Frangula purshiana (de Candolle) A. Gray USA: California Black Butte J. T. Howell 19258 1943-8-10
A: 00378110 Frangula purshiana (de Candolle) A. Gray USA: California Shackleford Creek Trail, Marble Mts. J. T. Howell 15238 1939-8-9
A: 00378127 Frangula rubra (Greene) Grubov USA: California Fandango Pass, Warner Mts. J. T. Howell 12077 1934-6-13
A: 00378304 Frangula rubra yosemitana (C. B. Wolf) Kartesz & Gandhi USA: California Mono Lake near Leevining J. T. Howell 19914 1944-8-4
A: 00378306 Frangula rubra yosemitana (C. B. Wolf) Kartesz & Gandhi USA: California Near Charlotte Creek, Bubbs Creek J. T. Howell 15671 1940-7-28
A: 00378317 Frangula sp. USA: California Fandango Pass, Warner Mts. J. T. Howell 12077 1934-6-13
A: 00425760 Rhamnus californica Eschscholtz USA: California Ruppert Ridge & Bartlett Flat, Bartlett Moun... J. T. Howell 21190 1945-6-21
A: 00425903 Rhamnus californica Eschscholtz USA: California 3 miles n. of Sebastopol J. T. Howell 13955 1938-7-3
A: 00378212 Rhamnus crocea Nuttall ex Torrey & A. Gray USA: California Santa Inez Valley near Buellton J. T. Howell 2995 1927-8-16
A: 00425961 Rhamnus occidentalis Howell ex Greene USA: California Near junction of Tangle Blue and Scott Mt. c... J. T. Howell 12812 1936-8-26
A: 00425967 Rhamnus occidentalis Howell ex Greene USA: California 5 miles east of Berry Summit J. T. Howell 13717 1937-7-31
A: 00378107 Rhamnus purshiana de Candolle USA: California Black Butte J. T. Howell 19258 1943-8-10
A: 00378110 Rhamnus purshiana de Candolle USA: California Shackleford Creek Trail, Marble Mts. J. T. Howell 15238 1939-8-9
A: 00378127 Rhamnus rubra Greene USA: California Fandango Pass, Warner Mts. J. T. Howell 12077 1934-6-13
A: 00378304 Rhamnus rubra obtusissima (Greene) C. B. Wolf USA: California Mono Lake near Leevining J. T. Howell 19914 1944-8-4
A: 00378306 Rhamnus rubra obtusissima (Greene) C. B. Wolf USA: California Near Charlotte Creek, Bubbs Creek J. T. Howell 15671 1940-7-28
A: 00378317 Rhamnus sp. USA: California Fandango Pass, Warner Mts. J. T. Howell 12077 1934-6-13
Rhytidiaceae
FH: 00780867 Rhytidiopsis robusta (Hooker) Brotherus USA: Washington [data not captured] J. T. Howell 1931-7-15
Ricciaceae
FH: 00510116 Riccia campbelliana M. Howe USA: California [data not captured] J. T. Howell 1938-4-3
FH: 00510428 Riccia sorocarpa Bischoff USA: California [data not captured] J. T. Howell 1937-7
FH: 00510385 Riccia sp. Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 1931-11
FH: 00510419 Riccia trichocarpa M. Howe Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 1931-11-14
FH: 00510412 Riccia trichocarpa M. Howe USA: California [data not captured] J. T. Howell 1938-5-4
FH: 00510416 Riccia trichocarpa M. Howe USA: California [no additional data] J. T. Howell 1937-8-24
Roccellaceae
FH: 00394153 Dendrographa leucophaea (Tuckerman) Darbishire USA: California [data not captured] J. T. Howell 1932-3-13
Rosaceae
A: 00345400 Adenostoma sparsifolium Torrey USA: California North of Campo between Campo and Buckman Spr... J. T. Howell 2978 1927-8-7
A: 00346785 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: California North side of Fandango Valley J. T. Howell 12040 1934-6-12
A: 00346787 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: California Upper St. Helena Creek J. T. Howell 15447 1940-5-19
A: 00346797 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: California Near Brockway J. T. Howell 14010 1938-8-2
A: 00346839 Amelanchier gracilis A. Heller USA: California Sawmill Flat, Bartlett Mountain J. T. Howell 21083 1945-6-20
A: 01728686 Amelanchier pallida Greene USA: California Plaskett Meadows J. T. Howell 19296 1943-8-12
A: 01728736 Amelanchier pallida Greene USA: California Near Garnet Lake J. T. Howell 16730 1941-8-3
A: 01728737 Amelanchier pallida Greene USA: California Between Agnew Meadows and San Joaquin River J. T. Howell 16448 1941-7-25
A: 01728739 Amelanchier pallida Greene USA: California Silver Fork of American River J. T. Howell 18881 1943-7-27
A: 01728742 Amelanchier pallida Greene USA: California Between Junction and Vidette meadows, Bubbs ... J. T. Howell 16073 1940-8-9
A: 01728743 Amelanchier pallida Greene USA: California mosquito Flat, Rock Creek, Lake Basin J. T. Howell 16406 1941-7-22
A: 01728745 Amelanchier pallida Greene USA: California Ruby Lake, Rock Creek Lake Basin J. T. Howell 22396 1946-7-15
A: 01728746 Amelanchier pallida Greene USA: California Snow Creek Trail J. T. Howell 15569 1940-6-1
A: 01728773 Amelanchier pallida Greene USA: California Upper St. Helena Creek J. T. Howell 15446 1940-5-19
A: 00346839 Amelanchier utahensis Koehne USA: California Sawmill Flat, Bartlett Mountain J. T. Howell 21083 1945-6-20
A: 00345441 Cercocarpus ledifolius Nuttall USA: California Leavitt Meadow J. T. Howell 19902 1944-8-4
A: 00345443 Cercocarpus ledifolius Nuttall USA: California Caribou Basin, Salmon-Trinity Alps J. T. Howell 13467 1937-7-25
GH: 00345497 Cercocarpus minutiflorus Abrams USA: California Along road between Cottonwood Creek and Potr... J. T. Howell 2971 1927-8-7
GH: 00345497 Cercocarpus montanus minutiflorus (Abrams) F. L. Martin USA: California Along road between Cottonwood Creek and Potr... J. T. Howell 2971 1927-8-7
A: 01587563 Cercocarpus montanus blancheae (C. K. Schneider) F. L. Martin USA: California Cañada [Cañon?] del Puerta Zuela, Santa Cr... J. T. Howell 6218 1931-4-10
A: 01587585 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Wooden Valley Grade J. T. Howell 13063 1937-7-4
A: 01587588 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Near Petrified Forest J. T. Howell 13074 1937-7-4
A: 01587607 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Pinnacle Rock. Bartlett Mountain J. T. Howell 21114 1945-6-20
A: 01587752 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California 8 1/2 miles east of Lower Lake on road to Kn... J. T. Howell 14645 1939-5-7
A: 01587773 Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Above Blythedale Canyon, east side of Mt. Ta... J. T. Howell 23040 1947-3-2
A: 00345151 Chamaebatiaria millefolium (Torrey) Maximowicz USA: California Crooked Creek J. T. Howell 14338 1938-8-7
A: 00403848 Chamaebatiaria millefolium (Torrey) Maximowicz USA: California Se. corner of Siskiyou Co. J. T. Howell 12399 1934-7-4
A: 00345011 Holodiscus discolor (Pursh) Maximowicz USA: California Stuarts Fork of Trinity River J. T. Howell 13493 1937-7-25
GH: 00345636 Horkelia marinensis (Elmer) Crum USA: California sandy downs, Pt. Reyes Peninsula J. T. Howell 11703 1933-10-8
GH: 00345656 Horkelia tenuiloba (Torrey) A. Gray USA: California Near Vine Hill School J. T. Howell 30258 1955-6-2
GH: 00345657 Horkelia tenuiloba (Torrey) A. Gray USA: California 5 miles north of Sebastopol J. T. Howell 13083 1937-7-4
GH: 00345668 Ivesia aperta (J. T. Howell) Munz USA: California Sierra Valley about 2 miles south of Beckwou... J. T. Howell 37796 1962-6-18
GH: 00345699 Ivesia kingii S. Watson USA: California Long Valley J. T. Howell 14380 1938-8-8
GH: 00345710 Ivesia lycopodioides A. Gray USA: California San Joaquin Mt. J. T. Howell 16859 1941-8-8
GH: 00345711 Ivesia muirii A. Gray USA: California Mono Pass, Fresno-Inyo Co. J. T. Howell 16380 1941-7-22
GH: 00345717 Ivesia muirii A. Gray USA: California Mt. Conness J. T. Howell 20523 1944-8-15
GH: 00345721 Ivesia pickeringii Torrey ex A. Gray USA: California 8 miles north of Carrville J. T. Howell 12797 1936-8-26
GH: 00345722 Ivesia sericoleuca (Rydberg) Rydberg USA: California Sierra Nevada. Boca Flats on Little Truckee ... J. T. Howell 53196 1978-7-26
A: 00346926 Osmaronia cerasiformis (Torrey & A. Gray ex Hooker & Arnott) Greene USA: California Canyon of Snow Basin Creek J. T. Howell 19803 1944-7-15
A: 01590320 Physocarpus capitatus (Pursh) Kuntze Canada: British Columbia Vancouver Island: Near Courtney J. T. Howell 7553 1931-7-28
A: 00345188 Physocarpus capitatus (Pursh) Kuntze USA: California South Fork of Salmon River near Big Flat J. T. Howell 13287 1937-7-22
GH: 00345769 Potentilla newberryi A. Gray USA: California East side of Clear Lake J. T. Howell 12359 1934-7-2
GH: 00345771 Potentilla pensylvanica Linnaeus USA: California Unglaciated ridge northwest of Mono Pass J. T. Howell 22799 1986-7-27
GH: 00345771 Potentilla pseudosericea Rydberg USA: California Unglaciated ridge northwest of Mono Pass J. T. Howell 22799 1986-7-27
GH: 00345771 Potentilla sp. USA: California Unglaciated ridge northwest of Mono Pass J. T. Howell 22799 1986-7-27
A: 00346716 Prunus demissa (Nuttall) Walpers USA: California Plaskett Meadows J. T. Howell 19737 1944-7-13
A: 00346411 Prunus emarginata (Douglas ex Hooker) Eaton USA: California Spirit Lake, Marble Mts. J. T. Howell 14986 1939-8-3
A: 00346599 Prunus ilicifolia (Nuttall ex Hooker & Arnott) D. N. F. Dietrich USA: California Morro Creek, 8.1 miles west of Atascadero J. T. Howell 4470 1929-10-12
A: 00346716 Prunus virginiana demissa (Nuttall) Torrey USA: California Plaskett Meadows J. T. Howell 19737 1944-7-13
GH: 00345908 Rosa californica Chamisso & Schlechtendal USA: California Rodeo Lagoon J. T. Howell 22162 1946-6-30
A: 00345954 Rosa californica Chamisso & Schlechtendal USA: California Chiles Valley, Napa Range J. T. Howell 11649 1933-8-27
A: 00345955 Rosa californica Chamisso & Schlechtendal USA: California Bank of slough draining Kenwood Marsh J. T. Howell 10773 1932-9-18
A: 00345956 Rosa californica Chamisso & Schlechtendal USA: California Sage Canyon, Napa Range J. T. Howell 11629 1933-8-27
A: 00345979 Rosa gymnocarpa Nuttall ex Torrey & A. Gray USA: California Between Elk Mt. and Marble Rim, Marble Mts. J. T. Howell 15036 1939-8-4
A: 01559618 Rosa nutkana C. Presl Canada: British Columbia Vancouver Island: Campbell River J. T. Howell 7729 1931-8-9
A: 01559633 Rosa nutkana C. Presl Canada: British Columbia Vancouver Island: Campbell River J. T. Howell 7728 1931-8-9
A: 00346149 Rosa pisocarpa A. Gray USA: California South Fork of Salmon River near Big Flat J. T. Howell 13354 1937-7-23
A: 00346126 Rosa puberulenta Rydberg USA: California Convict Lake J. T. Howell 14440 1938-8-9
A: 00346127 Rosa puberulenta Rydberg USA: California Sherwin Grade J. T. Howell 14373 1938-8-7
A: 01602086 Rosa sp. Canada: British Columbia Fraser River Valley at Ft. Hope. J. T. Howell 7764 1931-8-14
GH: 00346103 Rosa spithamea S. Watson USA: California San Anselmo Canyon J. T. Howell 17001 1942-6-21
GH: 00346104 Rosa spithamea S. Watson USA: California Burned area sw. of Lake Lagunitas, Mt. Tamal... J. T. Howell 23001 1946-9-8
A: 01601531 Rosa woodsii ultramontana (S. Watson) Jepson Canada: British Columbia Ashcroft. J. T. Howell 7801 1931-8-15
A: 00346126 Rosa woodsii ultramontana (S. Watson) Jepson USA: California Convict Lake J. T. Howell 14440 1938-8-9
A: 00346127 Rosa woodsii ultramontana (S. Watson) Jepson USA: California Sherwin Grade J. T. Howell 14373 1938-8-7
GH: 00346145 Rosa woodsii ultramontana (S. Watson) Jepson USA: California Mohawk J. T. Howell 30843 1955-7-20
A: 00346208 Rubus parviflorus Nuttall USA: California Mt. Tamalpais J. T. Howell 14807 1939-6-25
A: 00366054 Rubus sp. Linnaeus USA: California Naturalized in Burlingame J. T. Howell 13891 1938-6-4
GH: 00346277 Rubus ursinus Chamisso & Schlechtendal USA: California The Pinnacles J. T. Howell
GH: 00346280 Rubus ursinus Chamisso & Schlechtendal USA: California The Pinnacles J. T. Howell 32139 1957-4-30
A: 00346282 Rubus ursinus Chamisso & Schlechtendal USA: California Burlingame J. T. Howell 13890 1938-6-4
A: 00346283 Rubus ursinus Chamisso & Schlechtendal USA: California Burlingame J. T. Howell 13888 1938-6-4
A: 00346284 Rubus ursinus Chamisso & Schlechtendal USA: California Near Rattlesnake, Mt. Tamalpais J. T. Howell 13929 1938-6-19
A: 00346285 Rubus ursinus Chamisso & Schlechtendal USA: California San Anselmo Canyon J. T. Howell 13801 1938-5-22
A: 00346287 Rubus ursinus Chamisso & Schlechtendal USA: California Burlingame J. T. Howell 13889 1938-6-4
A: 00346288 Rubus ursinus Chamisso & Schlechtendal USA: California Near West Point, Mt. Tamalpais J. T. Howell 13906 1938-6-5
A: 00346291 Rubus ursinus Chamisso & Schlechtendal USA: California Burlingame J. T. Howell 13888 1938-6-4
A: 00346294 Rubus ursinus Chamisso & Schlechtendal USA: California San Anselmo Canyon J. T. Howell 13788 1938-5-22
A: 00346881 Sorbus californica Greene USA: California Plaskett Meadows J. T. Howell 19738 1944-7-13
A: 00345226 Spiraea densiflora Nuttall ex Torrey & A. Gray USA: California Boreal Ridge, West side of Donner Pass near ... J. T. Howell 18494 1943-7-17
A: 00345256 Spiraea densiflora Nuttall ex Torrey & A. Gray USA: California Mono Pass J. T. Howell 20668 1944-8-16
A: 00345257 Spiraea densiflora Nuttall ex Torrey & A. Gray USA: California Tuolumne Canyon above Glen Aulin J. T. Howell 20491 1944-8-14
A: 00345224 Spiraea densiflora Nuttall ex Torrey & A. Gray USA: California [data not captured] J. T. Howell 13671 1937-7-29
A: 00345256 Spiraea densiflora splendens (Baumann ex K. Koch) C. L. Hitchcock USA: California Mono Pass J. T. Howell 20668 1944-8-16
A: 00345257 Spiraea densiflora splendens (Baumann ex K. Koch) C. L. Hitchcock USA: California Tuolumne Canyon above Glen Aulin J. T. Howell 20491 1944-8-14
Rubiaceae
GH: 00385706 Galium angustifolium Nuttall ex A. Gray USA: California Anacapa Island J. T. Howell 3792 1928-5-19
GH: 00385821 Galium bolanderi A. Gray USA: California Near mouth of Chambers Creek. Canyon of the ... J. T. Howell 42654 1967-6-22
GH: 00385822 Galium bolanderi A. Gray USA: California Greenville J. T. Howell 36643 1961-6-21
GH: 00385823 Galium bolanderi A. Gray USA: California West of Simpson Meadow on trail to Tehipite ... J. T. Howell 34124 1958-7-30
GH: 00385824 Galium bolanderi A. Gray USA: California Between Isabella Dam and Keysville. Greenhor... J. T. Howell 51763 1976-5-19
GH: 00385836 Galium bolanderi A. Gray USA: California Canyon of Snow Basin Creek J. T. Howell 19305 1943-8-12
GH: 00385841 Galium bolanderi A. Gray USA: California Kern Canyon, 7 miles above Kernville J. T. Howell 5045 1930-5-13
GH: 00385849 Galium bolanderi A. Gray USA: California Near junction of Tangle Blue and Scott Mt. c... J. T. Howell 12824 1936-8-26
GH: 00385854 Galium bolanderi A. Gray USA: California Between Mineral King and Timber Gap J. T. Howell 17269 1942-7-27
GH: 00385855 Galium bolanderi A. Gray USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5167 1930-5-15
GH: 00385856 Galium bolanderi A. Gray USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5168 1930-5-15
GH: 00385857 Galium bolanderi A. Gray USA: California Hills near Glenville, Greenhorn Range J. T. Howell 5166 1930-5-15
GH: 00385858 Galium bolanderi A. Gray USA: California East slope of the Greenhorn Range J. T. Howell 5069 1930-5-14
GH: 00385867 Galium bolanderi A. Gray USA: California Raymond J. T. Howell 13856 1938-5-29
GH: 00385871 Galium bolanderi A. Gray USA: California Pope Creek Canyon, 8.5 miles from Monticello... J. T. Howell 6135 1931-4-3
GH: 00385775 Galium californicum Hooker & Arnott USA: California Pelican Bay, Santa Cruz I. J. T. Howell 6406 1931-4-15
GH: 00385780 Galium californicum Hooker & Arnott USA: California near Toll House, Mt. St. Helena region J. T. Howell 5365 1930-7-13
GH: 00385782 Galium californicum Hooker & Arnott USA: California West side of Grizzley Peak, Berkeley Hills J. T. Howell 5307 1930-6-15
GH: 00385785 Galium californicum Hooker & Arnott USA: California 1 mile east of Bodega Bay J. T. Howell 5246 1930-6-8
GH: 00385786 Galium californicum Hooker & Arnott USA: California Santa Barbara: Mission Ridge J. T. Howell 6544 1931-5-25
GH: 00385795 Galium californicum Hooker & Arnott USA: California Fort Ross J. T. Howell 5387 1930-7-27
GH: 00385796 Galium californicum Hooker & Arnott USA: California ne. slope of Grizzley Peak J. T. Howell 5308 1930-6-15
GH: 00385797 Galium californicum Hooker & Arnott USA: California just south of Phoenix Lake J. T. Howell 5381 1930-7-20
GH: 00385806 Galium californicum Hooker & Arnott USA: California 1 mile north of Fort Ross J. T. Howell 5406 1930-7-27
GH: 00385807 Galium californicum Hooker & Arnott USA: California Pt. Lobos J. T. Howell 5436 1930-8-3
GH: 00417009 Galium clementis Eastwood USA: California north slope of Junipero Sierra Peak, Santa L... J. T. Howell 30168 1955-5-17
GH: 00417132 Galium divaricatum Pourret ex Lamarck USA: California west of Napa Valley between St. Helena and M... J. T. Howell 18237 1943-6-19
GH: 00417000 Galium gabrielense (Munz) I. M. Johnston USA: California Pt. Mugu J. T. Howell 5176 1931-5-19
GH: 00417014 Galium glabrescens (Ehrendorfer) Dempster & Ehrendorfer USA: California Summit of Scott Mts. n. of Carrville J. T. Howell 12739 1936-8-24
GH: 00385989 Galium grayanum Ehrendorfer USA: California Castle Peak J. T. Howell 18532 1943-7-18
GH: 00385995 Galium grayanum Ehrendorfer USA: California Mt. Lincoln J. T. Howell 18841 1943-7-26
GH: 02359898 Galium grayanum nanum Dempster & Ehrendorfer USA: Nevada [data not captured] J. T. Howell 14179 1938-8-4
GH: 00385964 Galium hypotrichium A. Gray USA: California Mono Mesa above Gold Lake J. T. Howell 22689 1946-7-24
GH: 00385954 Galium matthewsii A. Gray USA: California Whitney Portal road J. T. Howell 40222 1963-8-21
GH: 00417015 Galium multiflorum Kellogg USA: California Summit of Sherwin Grade J. T. Howell 14359 1938-8-7
GH: 00417015 Galium multiflorum hirsutum (A. Gray) A. Gray USA: California Summit of Sherwin Grade J. T. Howell 14359 1938-8-7
GH: 02138507 Galium murale (Linnaeus) Allioni USA: California [data not captured] J. T. Howell 16953 1942-4-26
GH: 02138506 Galium murale (Linnaeus) Allioni USA: California [data not captured] J. T. Howell 19421 1944-4-30
GH: 02138572 Galium nuttallii A. Gray USA: California San Francisco: [data not captured] J. T. Howell 11438 1933-7-9
GH: 02138570 Galium nuttallii A. Gray USA: California [data not captured] J. T. Howell 5285 1930-6-8
GH: 02138553 Galium nuttallii A. Gray USA: California [data not captured] J. T. Howell 5263 1930-6-8
GH: 02138552 Galium nuttallii A. Gray USA: California [data not captured] J. T. Howell 5303 1930-6-15
GH: 02138551 Galium nuttallii A. Gray USA: California [data not captured] J. T. Howell 5186 1930-5-21
GH: 00385760 Galium pomerianicum Retzius USA: California Sawmill Flat J. T. Howell 21009 1945-6-18
GH: 00385871 Galium pubens A. Gray USA: California Pope Creek Canyon, 8.5 miles from Monticello... J. T. Howell 6135 1931-4-3
GH: 00385760 Galium sp. USA: California Sawmill Flat J. T. Howell 21009 1945-6-18
GH: 02140027 Galium trifidum subbiflorum (Wiegand) Puff (Wiegand) Puff USA: Nevada [data not captured] J. T. Howell 52160 1976-8-3
GH: 00417036 Galium triflorum Michaux USA: California Twain Harte J. T. Howell 29957 1954-6-6
GH: 00417043 Galium triflorum Michaux USA: California 1 mile north of Fort Ross J. T. Howell 1930-7-27
Rutaceae
A: 00347949 Ptelea baldwinii crenulata (Greene) Jepson USA: California Marsh Creek Road, 7 miles se. of Clayton J. T. Howell 4390 1929-9-21
A: 00347951 Ptelea baldwinii crenulata (Greene) Jepson USA: California 7 miles from Clayton on road to Livermore J. T. Howell 11811 1934-4-8
A: 00347949 Ptelea crenulata Greene USA: California Marsh Creek Road, 7 miles se. of Clayton J. T. Howell 4390 1929-9-21
A: 00347951 Ptelea crenulata Greene USA: California 7 miles from Clayton on road to Livermore J. T. Howell 11811 1934-4-8
A: 00376005 Thamnosma montana Torrey & Fremont USA: California Mission Creek Wash, Colorado Desert J. T. Howell 3322 1928-1-31
Salicaceae
A: 00382180 Populus balsamifera trichocarpa (Torrey & A. Gray) Brayshaw USA: California Junction Meadow, Bubbs Creek J. T. Howell 16096 1940-8-10
A: 00382180 Populus trichocarpa Torrey & A. Gray USA: California Junction Meadow, Bubbs Creek J. T. Howell 16096 1940-8-10
A: 00382361 Salix arctica Pallas USA: California West of Reflection Lake J. T. Howell 15918 1940-8-2
A: 00382362 Salix arctica Pallas USA: California West of Reflection Lake J. T. Howell 15919 1940-8-2
A: 00382363 Salix arctica Pallas USA: California Near Thousand Island Lake J. T. Howell 16705 1941-8-2
A: 00382365 Salix arctica Pallas USA: California West side of Morgan Pass, Rock Creek Lake Ba... J. T. Howell 22461 1946-7-16
A: 00382373 Salix arctica Pallas USA: California North slope of Mt. Dana J. T. Howell 20214 1944-8-10
GH: 00382389 Salix bonplandiana Kunth USA: California 10 miles east of Onyx J. T. Howell 35167 1960-3-25
GH: 00382395 Salix bonplandiana Kunth USA: California at Tuolumne River bridge 2.5 miles east of J... J. T. Howell 40680 1964-4-29
A: 00382408 Salix breweri Bebb USA: California Sage Canyon Napa Range J. T. Howell 11641 1933-8-27
GH: 00384712 Salix coulteri Andersson USA: California Point Reyes road beyond Ledum Swamp J. T. Howell 19346 1944-3-26
A: 00382467 Salix drummondiana Barratt USA: California East Lake J. T. Howell 15962 1940-8-4
GH: 00382468 Salix drummondiana Barratt USA: California Whitney Portal J. T. Howell 40148 1963-8-20
GH: 00382472 Salix drummondiana Barratt USA: California Whitney Portal J. T. Howell 33261 1958-5-24
GH: 00382488 Salix eastwoodiae Cockerell ex A. Heller USA: California Meadow below Tioga Lake J. T. Howell 40954 1964-8-11
A: 00382490 Salix eastwoodiae Cockerell ex A. Heller USA: California Glen Aulin J. T. Howell 20500 1944-8-14
A: 00382491 Salix eastwoodiae Cockerell ex A. Heller USA: California SE. shoulder of Castle Peak J. T. Howell 18797 1943-7-24
A: 00382492 Salix eastwoodiae Cockerell ex A. Heller USA: California East Lake J. T. Howell 15960 1940-8-4
A: 00382493 Salix eastwoodiae Cockerell ex A. Heller USA: California East Lake J. T. Howell 15961 1940-8-4
A: 00382510 Salix eastwoodiae Cockerell ex A. Heller USA: California Sky High Valley, Marble Mts. J. T. Howell 15131 1939-8-7
A: 00382511 Salix eastwoodiae Cockerell ex A. Heller USA: California Sky High Valley, Marble Mts. J. T. Howell 15132 1939-8-7
A: 00382512 Salix eastwoodiae Cockerell ex A. Heller USA: California Spirit Lake, Marble Mts. J. T. Howell 15077 1939-8-5
A: 00382513 Salix eastwoodiae Cockerell ex A. Heller USA: California Spirit Lake, Marble Mts. J. T. Howell 15078 1939-8-5
A: 00382548 Salix eastwoodiae Cockerell ex A. Heller USA: California Mono Pass J. T. Howell 20615 1944-8-16
A: 00382549 Salix eastwoodiae Cockerell ex A. Heller USA: California Near Parsons Lodge, Tuolumne Meadows J. T. Howell 19992 1944-8-5
A: 00382550 Salix eastwoodiae Cockerell ex A. Heller USA: California Tioga Pass J. T. Howell 20206 1944-8-10
A: 00382551 Salix eastwoodiae Cockerell ex A. Heller USA: California Gaylor Lakes J. T. Howell 20427 1944-8-12
A: 00382570 Salix eastwoodiae Cockerell ex A. Heller USA: California Dingley Creek at Dog Lake Trail J. T. Howell 22227 1946-7-12
A: 00382571 Salix eastwoodiae Cockerell ex A. Heller USA: California Mosquito Flat, Rock Creek Lake Basin J. T. Howell 22246 1946-7-14
GH: 00382677 Salix exigua Nuttall USA: California Along Kern River between Kernville and River... J. T. Howell 47237 1970-9-22
GH: 00382678 Salix exigua Nuttall USA: California Near mouth of Chambers Creek. Canyon of the ... J. T. Howell 42653 1967-6-22
GH: 00382680 Salix exigua Nuttall USA: California Bishop J. T. Howell 33620
GH: 00382724 Salix geyeriana Andersson USA: California Leavitt Meadow J. T. Howell 46214 1969-9-15
A: 00382744 Salix geyeriana argentea (Bebb) C. K. Schneider USA: California Between Donner Pass and West Lake J. T. Howell 18718 1943-7-23
GH: 00382942 Salix hindsiana Bentham USA: California Bear Creek J. T. Howell 4151 1929-4-12
GH: 00382961 Salix hindsiana Bentham USA: California Ignacio J. T. Howell 20841 1945-5-9
A: 00383147 Salix jepsonii C. K. Schneider USA: California Tuolumne Canyon, above Glen Aulin J. T. Howell 20495 1944-8-14
A: 00383154 Salix jepsonii C. K. Schneider USA: California SE. shoulder of Castle Peak J. T. Howell 18799 1943-7-24
A: 00383164 Salix jepsonii C. K. Schneider USA: California Near Thomas Howell J. T. Howell 16905 1941-8-10
GH: 00383305 Salix laevigata Bebb USA: California Knight's Ferry J. T. Howell 2030 1926-6-13
GH: 00384172 Salix lasiandra Bentham USA: California South Fork Tuolumne River south of Mather J. T. Howell 51025 1975-6-4
GH: 00384173 Salix lasiandra Bentham USA: California Meadow at Grover Hot Springs J. T. Howell 39689 1963-7-10
GH: 00384174 Salix lasiandra Bentham USA: California General Grant ranger station J. T. Howell 35313 1960-6-6
GH: 00384175 Salix lasiandra Bentham USA: California General Grant ranger station J. T. Howell 35312 1960-6-6
GH: 00383461 Salix lasiolepis Bentham USA: California Johnsondale J. T. Howell 33192 1958-5-22
GH: 00383462 Salix lasiolepis Bentham USA: California Whitney Portal J. T. Howell 40147 1963-8-20
GH: 00383463 Salix lasiolepis Bentham USA: California Kernville J. T. Howell 35182 1960-3-26
GH: 00383743 Salix lasiolepis Bentham USA: California Near Big Lagoon J. T. Howell 1939-7-2
A: 00383803 Salix lasiolepis Bentham USA: California Anthony Peak west side J. T. Howell 19770 1944-7-14
GH: 00383838 Salix lasiolepis bigelovii (Torrey) Bebb USA: California North end of Bass Lake J. T. Howell 41209 1965-4-26
A: 00383904 Salix lemmonii Bebb USA: California 7 miles from Lakeport on road to Hopland J. T. Howell 17996 1943-5-10
A: 00383920 Salix lemmonii Bebb USA: California West side of Donner Pass near Norden J. T. Howell 18358 1943-7-15
GH: 00383933 Salix lemmonii Bebb USA: California Whitney Portal J. T. Howell 40150 1963-8-20
GH: 00383938 Salix lemmonii Bebb USA: California Manzanita Lake J. T. Howell 36321 1960-8-22
A: 00383942 Salix lemmonii Bebb USA: California East Lake J. T. Howell 15696 1940-7-30
GH: 00384172 Salix lucida lasiandra (Bentham) A. E. Murray USA: California South Fork Tuolumne River south of Mather J. T. Howell 51025 1975-6-4
GH: 00384173 Salix lucida lasiandra (Bentham) A. E. Murray USA: California Meadow at Grover Hot Springs J. T. Howell 39689 1963-7-10
GH: 00384174 Salix lucida lasiandra (Bentham) A. E. Murray USA: California General Grant ranger station J. T. Howell 35313 1960-6-6
GH: 00384175 Salix lucida lasiandra (Bentham) A. E. Murray USA: California General Grant ranger station J. T. Howell 35312 1960-6-6
GH: 00384210 Salix lutea Nuttall USA: California Leavitt Meadow J. T. Howell 46216 1969-9-15
A: 00384235 Salix melanopsis Nuttall USA: California near Bartlett Springs J. T. Howell 21208 1945-6-21
A: 00384422 Salix monica Bebb USA: California Mono Pass J. T. Howell 20629 1944-8-16
A: 00384423 Salix monica Bebb USA: California Mosquito Flat, Rock Creek Lake Basin J. T. Howell 22247 1946-7-14
A: 00384424 Salix monica Bebb USA: California Long Lake, Rock Creek Lake Basin J. T. Howell 22813 1946-7-28
A: 00384324 Salix orestera C. K. Schneider USA: California East Lake J. T. Howell 15754 1940-7-31
A: 00384325 Salix orestera C. K. Schneider USA: California Mammouth Lakes Basin J. T. Howell 14417 1938-8-8
A: 00384326 Salix orestera C. K. Schneider USA: California Tioga Pass J. T. Howell 20205 1944-8-10
A: 00384327 Salix orestera C. K. Schneider USA: California Frog Lake J. T. Howell 18774 1943-7-24
A: 00384328 Salix orestera C. K. Schneider USA: California West side of Donner Pass near Norden J. T. Howell 18351 1943-7-15
A: 00384358 Salix orestera C. K. Schneider USA: California Headwaters of Shadow Creek, southeast of Mt.... J. T. Howell 16782A 1941-8-6
A: 00384359 Salix orestera C. K. Schneider USA: California Mono Pass Trail J. T. Howell 16401 1941-7-22
A: 00384360 Salix orestera C. K. Schneider USA: California Near Garnet Lake J. T. Howell 16473 1941-7-28
A: 00384361 Salix orestera C. K. Schneider USA: California Eagle Lake Trail near Mineral King J. T. Howell 17164 1942-7-25
A: 00384374 Salix orestera C. K. Schneider USA: California Mosquito Flat, Rock Creek Lake Basin J. T. Howell 22254 1946-7-14
A: 00382361 Salix petrophila caespitosa (P. B. Kennedy) C. K. Schneider USA: California West of Reflection Lake J. T. Howell 15918 1940-8-2
A: 00382362 Salix petrophila caespitosa (P. B. Kennedy) C. K. Schneider USA: California West of Reflection Lake J. T. Howell 15919 1940-8-2
A: 00382363 Salix petrophila caespitosa (P. B. Kennedy) C. K. Schneider USA: California Near Thousand Island Lake J. T. Howell 16705 1941-8-2
A: 00382365 Salix petrophila caespitosa (P. B. Kennedy) C. K. Schneider USA: California West side of Morgan Pass, Rock Creek Lake Ba... J. T. Howell 22461 1946-7-16
A: 00382373 Salix petrophila caespitosa (P. B. Kennedy) C. K. Schneider USA: California North slope of Mt. Dana J. T. Howell 20214 1944-8-10
A: 00384422 Salix planifolia monica (Bebb) C. K. Schneider USA: California Mono Pass J. T. Howell 20629 1944-8-16
A: 00384423 Salix planifolia monica (Bebb) C. K. Schneider USA: California Mosquito Flat, Rock Creek Lake Basin J. T. Howell 22247 1946-7-14
A: 00384424 Salix planifolia monica (Bebb) C. K. Schneider USA: California Long Lake, Rock Creek Lake Basin J. T. Howell 22813 1946-7-28
A: 00384470 Salix scouleriana Barratt ex Hooker USA: California West side of Donner Pass near Norden J. T. Howell 18497 1943-7-17
GH: 00384471 Salix scouleriana Barratt ex Hooker USA: California Whitney Portal J. T. Howell 33267 1958-5-24
A: 00384497 Salix scouleriana Barratt ex Hooker USA: California Junction Meadow, Bubbs Creek J. T. Howell 16095 1940-8-10
GH: 00382942 Salix sessilifolia hindsiana (Bentham) Bebb USA: California Bear Creek J. T. Howell 4151 1929-4-12
A: 00384681 Salix sitchensis C. A. Sanson ex Bongard USA: California Cataract Gulch, Mt. Tamalpais J. T. Howell 14598 1939-3-26
GH: 00384712 Salix sitchensis C. A. Sanson ex Bongard USA: California Point Reyes road beyond Ledum Swamp J. T. Howell 19346 1944-3-26
A: 00382467 Salix subcoerulea Piper USA: California East Lake J. T. Howell 15962 1940-8-4
Saxifragaceae
GH: 00380555 Grossularia leptosma Coville USA: California Big Carson Canyon J. T. Howell 16937 1942-4-19
GH: 00363706 Jepsonia heterandra Eastwood USA: California Merced River Canyon 0.5 mile above Briceburg J. T. Howell 31983 1956-12-4
GH: 00363707 Jepsonia heterandra Eastwood USA: California Merced River Canyon near Bagby J. T. Howell 8151 1931-10-12
GH: 00363836 Lithophragma heterophyllum (Hooker & Arnott) Hooker & Arnott USA: California Carson country J. T. Howell 21820 1946-5-12
A: 00363930 Ribes aureum Pursh USA: California 9 miles from summit of Mt. Hamilton on road ... J. T. Howell 4667 1930-4-6
GH: 00363944 Ribes aureum Pursh USA: California 9 miles from summit of Mt. Hamilton on road ... J. T. Howell 4667 1930-4-6
A: 00363970 Ribes aureum gracillimum (Coville & Britton) Jepson USA: California Hospital Canyon J. T. Howell 13760 1938-4-10
A: 00363978 Ribes aureum gracillimum (Coville & Britton) Jepson USA: California Near Hernandez J. T. Howell 11172 1933-4-23
A: 00363952 Ribes binominatum A. Heller USA: California Spirit Lake, Marble Mts. J. T. Howell 14958 1939-8-3
A: 00363953 Ribes binominatum A. Heller USA: California North side of Scott Mt. J. T. Howell 13672 1937-7-29
A: 00363954 Ribes binominatum A. Heller USA: California Caribou Basin, Salmon-Trinity Alps J. T. Howell 13458 1937-7-25
A: 00363955 Ribes binominatum A. Heller USA: California Plaskett Meadow J. T. Howell 19172 1943-8-7
A: 00363956 Ribes binominatum A. Heller USA: California Anthony Peak, east side J. T. Howell 19765 1944-7-14
GH: 00363989 Ribes californicum Hooker & Arnott USA: California Lower part of Arroyo del Valle J. T. Howell 18114 1943-5-16
GH: 00380140 Ribes cereum Douglas USA: California Wawona J. T. Howell 29 1923-6-7
A: 00380264 Ribes cruentum Greene USA: California Black Butte J. T. Howell 19109 1943-8-6
A: 00380160 Ribes divaricatum pubiflorum Koehne USA: California Salmon Creek Canyon J. T. Howell 19468 1944-5-14
A: 00380186 Ribes divaricatum pubiflorum Koehne USA: California In redwoods 1.5 miles north of Felton J. T. Howell 19593 1944-6-11
A: 00363970 Ribes gracillimum Coville & Britton USA: California Hospital Canyon J. T. Howell 13760 1938-4-10
A: 00363978 Ribes gracillimum Coville & Britton USA: California Near Hernandez J. T. Howell 11172 1933-4-23
A: 00381012 Ribes greeneianum A. Heller USA: California Upper St. Helena Creek J. T. Howell 15450 1940-5-19
A: 00381029 Ribes hallii Janczewski USA: California Caribou Gulch J. T. Howell 13549 1937-7-26
A: 00380638 Ribes hittelianum Eastwood USA: California Coffee Creek Canyon, near Union Creek J. T. Howell 13584 1937-7-27
A: 00380639 Ribes hittelianum Eastwood USA: California Caribou Basin, Salmon-Trinity Alps J. T. Howell 13528 1937-7-26
A: 00380218 Ribes indecorum Eastwood USA: California San Gabriel Wash, 2 miles s. of Azusa J. T. Howell 4100 1929-3-2
A: 00380219 Ribes indecorum Eastwood USA: California Trail to Switzer's, Arroyo Seco, San Gabriel... J. T. Howell 3349 1928-2-18
A: 00380239 Ribes inerme Rydberg USA: California Agnew Meadow J. T. Howell 1941-7-26
A: 00380280 Ribes lacustre Poiret USA: California South Fork of Salmon River near Big Flat J. T. Howell 13305 1937-7-22
A: 00380319 Ribes lobbii A. Gray USA: California South Fork of Salmon River near Big Flat J. T. Howell 13284 1937-7-22
A: 00380321 Ribes lobbii A. Gray USA: California Plaskett Meadows J. T. Howell 18961 1943-8-3
A: 00380322 Ribes lobbii A. Gray USA: California Near Spirit Lake, Marble Mts. J. T. Howell 15057 1939-8-4
A: 00380356 Ribes malvaceum Smith USA: California Near Hernandez J. T. Howell 11166 1933-4-23
A: 00380387 Ribes malvaceum viridifolium Abrams USA: California Trail to Santa Anita Canyon, San Gabriel Mts... J. T. Howell 3336 1928-2-9
A: 00380218 Ribes malvaceum indecorum (Eastwood) Janczewski USA: California San Gabriel Wash, 2 miles s. of Azusa J. T. Howell 4100 1929-3-2
A: 00380219 Ribes malvaceum indecorum (Eastwood) Janczewski USA: California Trail to Switzer's, Arroyo Seco, San Gabriel... J. T. Howell 3349 1928-2-18
A: 00380415 Ribes marshalii Greene USA: California Spirit Lake, Marble Mts. J. T. Howell 14876 1939-8-2
A: 00380425 Ribes menziesii Pursh USA: California Skyline Blvd. near Saratoga Gap J. T. Howell 14754 1939-6-16
A: 00380442 Ribes menziesii Pursh USA: California Santa Anita Canyon trail, San Gabriel Mts. J. T. Howell 3326 1928-2-9
GH: 00380443 Ribes menziesii Pursh USA: California Inverness J. T. Howell 15487 1940-5-20
A: 00380478 Ribes menziesii faustum Jepson USA: California Oakland Hills near Redwood Peak J. T. Howell 16951 1942-4-26
A: 00380491 Ribes menziesii leptosmum (Coville) Jepson USA: California Inverness Ridge north of Mt. Vision J. T. Howell 19352 1944-3-26
A: 00380492 Ribes menziesii leptosmum (Coville) Jepson USA: California Salmon Creek Canyon J. T. Howell 19462 1944-5-14
GH: 00380555 Ribes menziesii leptosmum (Coville) Jepson USA: California Big Carson Canyon J. T. Howell 16937 1942-4-19
A: 00380488 Ribes menziesii senile (Coville) Jepson USA: California In redwoods 1.5 miles north of Felton J. T. Howell 19586 1944-6-10
A: 00380533 Ribes nevadense Kellogg USA: California Near Sphinx Creek, Bubbs Creek J. T. Howell 15647 1940-7-28
A: 00380534 Ribes nevadense Kellogg USA: California Canyon of Snow Basin Creek J. T. Howell 19276 1943-8-11
A: 00380638 Ribes nevadense Kellogg USA: California Coffee Creek Canyon, near Union Creek J. T. Howell 13584 1937-7-27
A: 00380639 Ribes nevadense Kellogg USA: California Caribou Basin, Salmon-Trinity Alps J. T. Howell 13528 1937-7-26
A: 00380264 Ribes roezlii cruentum (Greene) Rehder USA: California Black Butte J. T. Howell 19109 1943-8-6
GH: 00380532 Ribes sanguineum glutinosum (Bentham) Loudon USA: California Inverness J. T. Howell 19341 1944-3-26
A: 00380936 Ribes speciosum Pursh USA: California Los Angeles: Vermont Canyon, Griffith Park J. T. Howell 3363 1928-3-2
A: 00380963 Ribes velutinum Greene USA: California Between Davis Creek and Plum Valley J. T. Howell 12011 1934-6-12
GH: 00380982 Ribes victoris Greene USA: California Hills ne. of San Rafael J. T. Howell 16256 1941-6-8
A: 00380987 Ribes victoris Greene USA: California Hill northeast of San Rafael J. T. Howell 17915 1943-4-11
A: 00380988 Ribes victoris Greene USA: California Hill northeast of San Rafael J. T. Howell 17884 1943-3-7
A: 00380989 Ribes victoris Greene USA: California Northside Trail, Mt. Tamalpais J. T. Howell 17888 1943-3-14
A: 00380990 Ribes victoris Greene USA: California Above Lake Lagunitas (type locality), Norths... J. T. Howell 17033 1942-7-12
A: 00381012 Ribes victoris minus (Janczewski) Jepson USA: California Upper St. Helena Creek J. T. Howell 15450 1940-5-19
A: 00381015 Ribes viscosissimum Pursh USA: California Spirit Lake, Marble Mts. J. T. Howell 14923 1939-8-2
A: 00381029 Ribes viscosissimum hallii Janczewski USA: California Caribou Gulch J. T. Howell 13549 1937-7-26
A: 00381035 Ribes viscosissimum hallii Janczewski USA: California Snow Basin north of Black Butte J. T. Howell 19823 1944-7-16
GH: 00381080 Saxifraga aprica Greene USA: California Near Garnet Lake J. T. Howell 16417 1941-7-24
GH: 00381150 Saxifraga fragarioides Greene USA: California Spirit Lake, Marble Mts. J. T. Howell 14990 1939-8-3
Scrophulariaceae
A: 00365994 Diplacus aurantiacus (Curtis) Jepson USA: California south side of Mt. Tamalpais J. T. Howell 1947-1-12
GH: 00367307 Diplacus mephiticus (Greene) G. L. Nesom USA: California Near Crestview J. T. Howell 14503 1938-8-10
GH: 00367300 Diplacus mephiticus (Greene) G. L. Nesom USA: California Ridge N.W. of San Joaquin Mt. J. T. Howell 16601 1941-7-31
A: 00367192 Diplacus puniceus Nuttall USA: California north slope in Rose Cañon, east of La Jolla J. T. Howell 2954 1927-8-6
A: 00365994 Mimulus aurantiacus Curtis USA: California south side of Mt. Tamalpais J. T. Howell 1947-1-12
A: 00367192 Mimulus aurantiacus puniceus (Nuttall) D. M. Thompson USA: California north slope in Rose Cañon, east of La Jolla J. T. Howell 2954 1927-8-6
GH: 00367300 Mimulus nanus mephiticus (Greene) D. M. Thompson USA: California Ridge N.W. of San Joaquin Mt. J. T. Howell 16601 1941-7-31
GH: 00367307 Mimulus nanus mephiticus (Greene) D. M. Thompson USA: California Near Crestview J. T. Howell 14503 1938-8-10
GH: 00367321 Mimulus rattanii A. Gray USA: California The PInnacles J. T. Howell 12946 1937-5-19
Selaginellaceae
GH: 00424504 Selaginella asprella Maxon USA: California 3 miles north of Kernville J. T. Howell 38648 1962-7-12
GH: 00424488 Selaginella leucobryoides Maxon USA: California Surprise Canyon, Panamint Mts. J. T. Howell 3989 1928-6-16
Simmondsiaceae
A: 00376079 Simmondsia californica Nuttall USA: California Cottonwood Creek Valley on road between Dulz... J. T. Howell 2968 1927-8-7
A: 00376079 Simmondsia chinensis (Link) C. K. Schneider USA: California Cottonwood Creek Valley on road between Dulz... J. T. Howell 2968 1927-8-7
Solanaceae
GH: 00939123 Leucophysalis nana (A. Gray) Averett USA: California [data not captured] J. T. Howell 40945 1964-8-10
A: 00813294 Lycium andersonii A. Gray Mexico: Baja California Sur Turtle Inlet, Magdalena Bay J. T. Howell 10644 1932-8-10
GH: 00402544 Lycium andersonii A. Gray USA: California 5 miles e. of Bradbury Well, Black Mts. J. T. Howell 3657 1928-4-2
GH: 00813363 Lycium californicum Nuttall ex A. Gray Mexico: South end of Guadalupe Island, Lower Califor... J. T. Howell 8194 1931-11-16
A: 00813368 Lycium californicum Nuttall ex A. Gray Mexico: Baja California Norte Guadalupe Island: [no additional data] J. T. Howell 8194 1931-11-16
A: 00402609 Lycium californicum Nuttall ex A. Gray USA: California San Nicolas Island J. T. Howell 8203A 1932-3-12
A: 00404912 Lycium halimifolium Miller USA: California Benecia Junction J. T. Howell 12570 1934-9-23
GH: 00813725 Lycium minimum C. L. Hitchcock Ecuador: Galapagos Province South Seymour Island J. T. Howell 9946 1932-6-10
GH: 00813478 Lycium richii hassei Johnston Mexico: Baja California Norte Rock slope J. T. Howell 8205 1931-11-18
A: 00813448 Lycium richii hassei Johnston Mexico: Baja California Sur Turtle Inlet, Magdalena Bay J. T. Howell 10646 1932-8-10
GH: 00815130 Nicotiana nesophila I. M. Johnston Mexico: Colima Socorro Island: Near Benner's Cove J. T. Howell 8385 1932-3-26
A: 00244961 Solanum umbelliferum Eschscholtz USA: California Hills east of St. Mary's College J. T. Howell 11291 1933-5-14
GH: 00244976 Solanum umbelliferum Eschscholtz USA: California Stone Canyon J. T. Howell 5951 1931-3-22
GH: 00244983 Solanum umbelliferum Eschscholtz USA: California The Pinnacles J. T. Howell 4588 1930-3-28
GH: 00267009 Solanum umbelliferum Eschscholtz USA: California Strawberry Canyon, Berkeley Hills J. T. Howell 11352 1933-5-28
GH: 00244943 Solanum umbelliferum Eschscholtz USA: California West slope of the Greenhorn Range J. T. Howell 5100 1930-5-14
GH: 00244841 Solanum umbelliferum Eschscholtz USA: California St. John's Grade J. T. Howell 4793 1930-5-10
GH: 00267020 Solanum umbelliferum Eschscholtz USA: California Holt J. T. Howell 5512 1930-9-28
GH: 00310498 Solanum umbelliferum Eschscholtz USA: California [data not captured] J. T. Howell 8060 1931-9-7
GH: 00310500 Solanum umbelliferum Eschscholtz USA: California [data not captured] J. T. Howell 4508 1929-10-13
GH: 00267020 Solanum umbelliferum californicum Parish USA: California Holt J. T. Howell 5512 1930-9-28
GH: 00244841 Solanum xanti A. Gray USA: California St. John's Grade J. T. Howell 4793 1930-5-10
GH: 00244943 Solanum xanti A. Gray USA: California West slope of the Greenhorn Range J. T. Howell 5100 1930-5-14
GH: 00267020 Solanum xanti A. Gray USA: California Holt J. T. Howell 5512 1930-9-28
GH: 00244908 Solanum xanti intermedium Parish USA: California Table Mountain, west of Jamestown. J. T. Howell 30299 1955-6-6
Sphaerophoraceae
FH: 00479007 Sphaerophorus globosus (Hudson) Vainio Mexico: Baja California Norte Guadalupe Island: [no additional data] J. T. Howell 1931-11-15
Sphagnaceae
FH: 00922592 Sphagnum girgensohnii Russow USA: Washington [data not captured] J. T. Howell 1931-7-15
Staphyleaceae
A: 00347564 Staphylea bolanderi A. Gray USA: California Near the McCloud River on creek just south o... J. T. Howell 2314 1927-4-7
Styracaceae
GH: 00384787 Styrax redivivus (Torrey) L. C. Wheeler USA: California Feather River Highway near Bear Ranch Creek J. T. Howell 49700 1973-7-9
A: 00384817 Styrax redivivus (Torrey) L. C. Wheeler USA: California Soda Bay J. T. Howell 15589 1940-6-30
Targioniaceae
FH: 00511523 Targionia hypophylla Linnaeus USA: California [data not captured] J. T. Howell 1934-3-4
Taxaceae
A: 00355459 Taxus brevifolia Nuttall USA: California Between Big Flat and Carbou Gulch, Siskiyou ... J. T. Howell 13563 1937-7-26
GH: 00355421 Torreya californica Torrey USA: California Merced River canyon, 1 mile from Arch Rock o... J. T. Howell 48715 1972-4-25
GH: 00354124 Torreya californica Torrey USA: California Merced River canyon, 1 mile from Arch Rock o... J. T. Howell 48715 1972-4-25
Taxodiaceae
GH: 00357809 Sequoia sempervirens (D. Don) Endlicher USA: California Fern Canyon, Mt. Tamalpais, Marin County J. T. Howell 32020 1957-2-3
A: 00357818 Sequoia sempervirens (D. Don) Endlicher USA: California Above Muir Woods, south side of Mt. Tamalpai... J. T. Howell 1947-1-12
Thelephoraceae
FH: 00197185 Dictyonema sericeum (Swartz) Berkeley Ecuador: Galapagos Province Indefatigable Island [Isla Santa Cruz], on w... J. T. Howell 4 1932-5-10
FH: 00603733 Solenia endophila Fries Mexico: Colima Socorro Island: [no additional data] J. T. Howell s.n. 1932-3-26
Thuidiaceae
FH: 00538470 Claopodium crispifolium (Hooker) Renauld & Cardot USA: Oregon [data not captured] J. T. Howell 1931-7-10
Thymelaeaceae
GH: 00382089 Dirca occidentalis A. Gray USA: California Devils Gulch near Camp Taylor J. T. Howell 24329 1948-5-31
Ulmaceae
GH: 00401565 Ulmus pumila Linnaeus USA: California Middle tree in front of court house, Marklee... J. T. Howell 1964-10-24
Urticaceae
GH: 02170270 Hesperocnide tenella Torrey USA: California [data not captured] J. T. Howell 18167 1943-5-23
GH: 02170267 Hesperocnide tenella Torrey USA: California [data not captured] J. T. Howell 32148 1957-4-30
GH: 02170259 Hesperocnide tenella Torrey USA: California [data not captured] J. T. Howell 18108 1943-5-16
GH: 02171328 Urtica dioica gracilis (Aiton) Selander USA: California [data not captured] J. T. Howell 19335 1943-10-3
GH: 02171471 Urtica dioica gracilis (Aiton) Selander USA: California [data not captured] J. T. Howell 51991 1976-7-19
GH: 02171471 Urtica dioica holosericea (Nuttall) Thorne USA: California [data not captured] J. T. Howell 51991 1976-7-19
GH: 02171457 Urtica dioica holosericea (Nuttall) Thorne USA: California [data not captured] J. T. Howell 19145 1943-8-6
Usneaceae
FH: 00476636 Ramalina canalicularis (Nylander) Kashiwadani Mexico: Colima Socorro Island: [no additional data] J. T. Howell 22 1932-3-27
FH: 00476672 Ramalina complanata (Swartz) Acharius Mexico: Colima Clarion Island: [data not captured] J. T. Howell 27 1932-3-23
FH: 00476819 Ramalina farinacea (Linnaeus) Acharius Mexico: Baja California Norte Guadalupe Island: [data not captured] J. T. Howell 32 1931-11-14
FH: 00476416 Ramalina sp. Mexico: Colima Socorro Island: [no additional data] J. T. Howell 21 1932-3-27
FH: 00477419 Ramalina usnea (Linnaeus) R. Howe Mexico: Colima Socorro Island: [no additional data] J. T. Howell 48 1932-3-27
Violaceae
GH: 00381899 Viola pinetorum grisea (Jepson) R. J. Little USA: California Summit meadow to Monache Meadows J. T. Howell 26755 1950-7-12
Vitaceae
GH: 00381690 Vitis californica Bentham USA: California "Skyway" between Chico and Paradise at Butte... J. T. Howell 51068 1975-6-15
GH: 00381691 Vitis californica Bentham USA: California "Skyway" between Chico and Paradise at Butte... J. T. Howell 51069 1975-6-15