Amblystegiaceae FH: 00838497 Hygroamblystegium irriguum (Hooker & Wilson) Loeske USA: Arizona [data not captured] F. W. Pennell 106 1938-6-2
FH: 00838497 Hygroamblystegium tenax (Hedwig) Jennings USA: Arizona [data not captured] F. W. Pennell 106 1938-6-2
Brassicaceae GH: 01153929 Boechera fendleri (S. Watson) W. A. Weber USA: Arizona about 20 miles south of Mormon Lake F. W. Pennell 21562 1938-6-2
GH: 01155688 Dimorphocarpa wislizenii (J. Engleman) Rollins USA: Utah near mesa knob, 15 m. north of Monticello F. W. Pennell 21508 1938-5-29
GH: 01716739 Stanleya pinnata (Pursh) Britton USA: New Mexico Route 666, 5-6 miles south of Shiprock F. W. Pennell 21518 1938-5-29
Ephedraceae GH: 00933792 Ephedra viridis Coville USA: Arizona R89, miles west of Houserock F. W. Pennell 21619 1938-6-10
Fabaceae GH: 02343750 Trifolium parryi A. Gray USA: Colorado Route 16, Trail Ridge Road F. W. Pennell [data not captured] 24491 1938-8-15
Hydrangeaceae GH: 01750746 Fendlera falcata Thornber ex Wooton & Standley USA: Colorado rim; near Spruce Tree House; Mesa Verde Nati... F. W. Pennell 21471 1938-5-27
Lamiaceae GH: 01554999 Hedeoma diffusum Greene USA: Arizona along Hermit Trail, Grand Canyon F. W. Pennell 21580 1938-6-6
GH: 01598786 Poliomintha incana (Torrey) A. Gray USA: Arizona Route 66, 13-14 miles northeast of Holbrook F. W. Pennell 21530 1938-5-31
Orobanchaceae GH: 01876087 Castilleja chromosa A. Nelson USA: Arizona Route 64, 18-19 miles west of Cameron F. W. Pennell 21594 1938-6-8
GH: 01876083 Castilleja chromosa A. Nelson USA: Arizona Route 89, miles west of Houserock F. W. Pennell 21620 1938-6-10
GH: 01876082 Castilleja chromosa A. Nelson USA: Arizona Route 89, north of Jacobs Lake, on Kaibab Pl... F. W. Pennell 21631 1938-6-10
GH: 01876078 Castilleja chromosa A. Nelson USA: Arizona Route 89, miles west of Houserock F. W. Pennell 21620 1938-6-10
GH: 01876129 Castilleja chromosa A. Nelson USA: Colorado Mesa Verde National Park F. W. Pennell 21475 1938-5-27
GH: 01876125 Castilleja chromosa A. Nelson USA: Colorado southeast of Cahone F. W. Pennell 21485 1938-5-28
GH: 01876193 Castilleja chromosa A. Nelson USA: Utah 3 miles west of Monticello F. W. Pennell 21498 1938-5-29
GH: 01876191 Castilleja chromosa A. Nelson USA: Utah East Rim truck trail, Zion National Park F. W. Pennell [data not captured] 21647 1938-6-12
GH: 01877260 Castilleja integra A. Gray USA: Arizona about 20 miles south of Mormon Lake F. W. Pennell 21555 1938-6-2
GH: 01877259 Castilleja integra A. Gray USA: Arizona 2 miles North of Pine F. W. Pennell 21545 1938-6-2
GH: 01877258 Castilleja integra A. Gray USA: Arizona 10 miles northeast of Long Valley F. W. Pennell 21533 1938-5-31
GH: 01877256 Castilleja integra A. Gray USA: Arizona Route 260, Little Colorado R., east of Holbr... F. W. Pennell 21526 1938-5-31
GH: 01877255 Castilleja integra A. Gray USA: Arizona west of Sunset Crater, San Francisco Mts. Ro... F. W. Pennell 21595 1938-6-8
GH: 01877254 Castilleja integra A. Gray USA: Arizona Route 89, north of Jacob Lake, on Kaibab Pla... F. W. Pennell 21628 1938-6-10
GH: 01877257 Castilleja integra A. Gray USA: Arizona Route 89, miles west of Houserock F. W. Pennell 21625 1938-6-10
GH: 01879014 Castilleja scabrida Eastwood USA: Utah 9 miles north of Monticello F. W. Pennell 21501 1938-5-29
GH: 02080335 Pedicularis centranthera A. Gray USA: Colorado at camp, Mesa Verde National Park F. W. Pennell 21466 1938-5-27
GH: 02080334 Pedicularis centranthera A. Gray USA: Colorado 5-7 miles north of Ackmen F. W. Pennell 21481 1938-5-28
GH: 02080326 Pedicularis centranthera A. Gray USA: Arizona south rim, Yaki Point, Grand Canyon F. W. Pennell 21586 1938-6-6
GH: 02080325 Pedicularis centranthera A. Gray USA: Arizona Route 89, north of Jacob Lake, on Kaibab Pla... F. W. Pennell 21632 1938-6-10
Plantaginaceae GH: 01998221 Besseya plantaginea (E. James) P. A. Rydberg USA: New Mexico Capulin Mountain F. W. Pennell 21417 1938-5-18
GH: 01998659 Collinsia parviflora Lindley USA: Arizona 4-5 mi. north of Pine F. W. Pennell 21554 1938-6-2
GH: 02001592 Nuttallanthus canadensis (Linnaeus) D. A. Sutton USA: Oklahoma Route 64, 5 miles east of Warner F. W. Pennell 21405 1938-5-13
GH: 02001765 Nuttallanthus texanus (Scheele) D. A. Sutton USA: Oklahoma Route 64, near Muldrow 5-6 miles west of M. F. W. Pennell 21404 1938-5-13
GH: 02001979 Penstemon albidus Nuttall USA: Oklahoma west; Route 66, near Clinton F. W. Pennell 21411 1938-5-16
GH: 02002203 Penstemon angustifolius venosus D. D. Keck USA: New Mexico near San Juan River; Route 19, east of Water... F. W. Pennell 21443 1938-5-24
GH: 02002202 Penstemon angustifolius venosus D. D. Keck USA: New Mexico Route 666, 5-6 miles south of Shiprock F. W. Pennell 21515 1938-5-29
GH: 02002266 Penstemon arkansanus Pennell USA: Arkansas [data not captured] F. W. Pennell 21400 1938-5-13
GH: 02118297 Penstemon clutei A. Nelson USA: Arizona west of Sunset Crater, San Francisco Mts. F. W. Pennell 21613 1938-6-8
GH: 02118389 Penstemon cobaea Nuttall USA: Oklahoma Route 66, 3 miles northeast of Foss F. W. Pennell 21413 1938-5-16
GH: 02118388 Penstemon cobaea Nuttall USA: Oklahoma Route 62, 3 miles east of Prague F. W. Pennell 21409 1938-5-14
GH: 02118523 Penstemon congestus (M. E. Jones) Pennell USA: Arizona 6 mi. n.w. Route 89, north of Jacob Lake, on... F. W. Pennell 21629 1938-6-10
GH: 02118522 Penstemon congestus (M. E. Jones) Pennell USA: Arizona Route 64, 7 miles south of Tusayan F. W. Pennell 21568 1938-6-4
GH: 02118972 Penstemon digitalis Nuttall ex Sims USA: Arkansas [data not captured] F. W. Pennell 21399 1938-5-13
GH: 02119109 Penstemon digitalis Nuttall ex Sims USA: Oklahoma Route 64, s.e. of Muldrow F. W. Pennell 21403 1938-5-13
GH: 02119202 Penstemon eatonii A. Gray USA: Arizona Route 64, 18-19 miles west of Cameron F. W. Pennell 21591 1938-6-8
GH: 02119258 Penstemon eatonii undosus M. E. Jones USA: Arizona Route 64, 18-19 miles west of Cameron F. W. Pennell 21592 1938-6-8
GH: 02119266 Penstemon eatonii undosus M. E. Jones USA: Colorado near Spruce Tree House, Mesa Verde National ... F. W. Pennell 21470 1938-5-27
GH: 02120554 Penstemon jamesii ophianthus (Pennell) D. D. Keck USA: Colorado Route 666, 16 miles south of Cortez F. W. Pennell 21513 1938-5-29
GH: 02120551 Penstemon jamesii ophianthus (Pennell) D. D. Keck USA: Arizona west of Sunset Crater, San Francisco Mts. F. W. Pennell 21596 1938-6-8
GH: 02120888 Penstemon lentus Pennell USA: Utah 9 miles north of Monticello F. W. Pennell 21500 1938-5-29
GH: 02120887 Penstemon lentus Pennell USA: Colorado Route 160, 8 miles east of Cortez F. W. Pennell 21477 1938-5-28
GH: 02120982 Penstemon linarioides sileri A. Gray USA: Utah north of Pine Valley F. W. Pennell 21840 1938-6-15
GH: 02120955 Penstemon linarioides coloradoensis (A. Nelson) C. C. Freeman USA: Arizona Route 89, north of Jacob Lake, Kaibab Platea... F. W. Pennell 21630 1938-6-10
GH: 02121220 Penstemon nudiflorus A. Gray USA: Arizona 5-6 miles southeast of Pine F. W. Pennell 21543 1938-6-2
GH: 02121504 Penstemon palmeri A. Gray USA: Arizona Along Hermit Trail, Grand Canyon F. W. Pennell 21581 1938-6-6
GH: 02121552 Penstemon palmeri A. Gray USA: Utah 1/2 mi. out of Kanab; Route 89, along Kanab ... F. W. Pennell 21636 1938-6-10
GH: 02122013 Penstemon pseudospectabilis connatifolius (A. Nelson) C. C. Freeman USA: Arizona roadway, 4 miles north of Payson F. W. Pennell 21541 1938-6-2
GH: 02122012 Penstemon pseudospectabilis connatifolius (A. Nelson) C. C. Freeman USA: Arizona Route 79, Oak Creek Canyon, southwest of Fla... F. W. Pennell 21611 1938-6-8
GH: 02122011 Penstemon pseudospectabilis connatifolius (A. Nelson) C. C. Freeman USA: Arizona roadway, 6-8 miles southeast of Pine F. W. Pennell 21535 1938-5-31
GH: 02122929 Penstemon thompsoniae (A. Gray) Rydberg USA: Arizona Route 89, north of Jacob Lake, on Kaibab Pla... F. W. Pennell 21653 1938-6-10
GH: 01801035 Penstemon tubaeflorus Nuttall USA: Arkansas [data not captured] F. W. Pennell 21394 1938-5-12
GH: 01801034 Penstemon tubaeflorus Nuttall USA: Arkansas [data not captured] F. W. Pennell 21397 1938-5-12
GH: 01801164 Penstemon utahensis Eastwood USA: Utah Route 89, southeast of Zion Park Jnc. F. W. Pennell 21642 1938-6-10
GH: 01805117 Veronica americana Schweinitz ex Bentham USA: Utah 6 miles out, Route 89, along Kanab Creek, no... F. W. Pennell 21638 1938-6-10
GH: 01805958 Veronica peregrina Linnaeus USA: Arkansas [data not captured] F. W. Pennell 21392 1938-5-12
Polemoniaceae GH: 01092038 Collomia grandiflora Douglas ex Lindley USA: Arizona Camp Collom, Mazatzal Mts., southwest of Pay... F. W. Pennell 21538 1938-6-1
GH: 01571229 Phlox austromontana Coville USA: Utah East Rim truck trail, Zion National Park F. W. Pennell [data not captured] 21651 1938-6-12
GH: 01694342 Polemonium foliosissimum A. Gray USA: Arizona mouth of West Fork Route 79, Oak Creek Canyo... F. W. Pennell 21598 1938-6-8
Polygonaceae GH: 01851141 Eriogonum inflatum Torrey & Fremont USA: Arizona west of Colorado River, Route 89, Marble Can... F. W. Pennell 21618 1938-6-10
GH: 01986444 Eriogonum ovalifolium Nuttall USA: Arizona Route 89, west of Houserock F. W. Pennell 21623 1938-6-10
Primulaceae GH: 01942705 Androsace septentrionalis puberulenta (Rydberg) Knuth USA: Utah Slopes of Abajo Mts., west of Monticello F. W. Pennell 21489 1938-5-28
Ranunculaceae GH: 01720324 Aconitum columbianum Nuttall USA: Wyoming S. Fork Cascade Creek, Teton National Park F. W. Pennell 24145 1938-8-7
GH: 01708965 Aquilegia coerulea James USA: Arizona along West Fork, Route 79, Oak Creek Canyon,... F. W. Pennell 21606 1938-6-8
GH: 01658227 Delphinium barbeyi (Huth) Huth USA: Colorado Route 16, La Poudre Lakes F. W. Pennell 24513 1938-8-15
GH: 01665515 Ranunculus inamoenus Greene USA: Utah Slopes of Abajo Mts., west of Monticello F. W. Pennell 21487 1938-5-28
Scrophulariaceae GH: 01841619 Erythranthe guttata (de Candolle) G. L. Nesom USA: Arizona Coconino County, along West Fork, Route 79, ... F. W. Pennell 21605 1938-6-8
GH: 01842502 Erythranthe nasuta (Greene) G. L. Nesom USA: Arizona [data not captured] F. W. Pennell 21539 1938-6-2
GH: 01842883 Erythranthe verbenacea (Greene) G. L. Nesom & N. S. Fraga USA: Arizona along West Fork, Route 79, Oak Creek Canyon,... F. W. Pennell 21604 1938-6-8
