Agavaceae GH: 00357694 Yucca whipplei Torrey USA: California San Sevaine Canyon J. A. Ewan 11005 1937-8-22
Asteraceae GH: 00404173 Brickellia nevinii A. Gray USA: California Jct. West Fork with No. Fork San Gabriel Riv... J. A. Ewan 10958 1937-8-15
GH: 01831055 Crepis vesicaria taraxacifolia (Thuillier) Thellung ex Schinz & R. Keller USA: California [data not captured] J. A. Ewan 10,389 1937-5-30
GH: 02203846 Dieteria canescens shastensis (A. Gray) D. R. Morgan & R. L. Hartman USA: Oregon [data not captured] J. A. Ewan 10750 1937-7-27
GH: 00417453 Ericameria arborescens Greene USA: California Lower San Sevaine Canyon J. A. Ewan 10983 1937-8-22
GH: 00417453 Ericameria parishii (Greene) Hall USA: California Lower San Sevaine Canyon J. A. Ewan 10983 1937-8-22
GH: 02204167 Heterotheca sessiliflora fastigiata (Bentham) Semple USA: California [data not captured] J. A. Ewan 11048 1937-8-23
GH: 00414610 Layia sp. USA: California San Sevaine Flat J. A. Ewan 11026 1937-8-22
GH: 00427574 Lepidospartum squamatum (A. Gray) A. Gray USA: California Tujunga Canyon near its mouth, San Gabriel M... J. A. Ewan 11046 1937-8-23
GH: 00427747 Senecio flaccidus douglasii (de Candolle) B. L. Turner & T. M. Barkley USA: California Trijunga Canyon near its mouth, San Gabriel ... J. A. Ewan 11051 1937-8-23
Boraginaceae GH: 00424625 Amsinckia furcata Suksdorf USA: California Pinoche creek, W. Fresno Co. J. A. Ewan 10278 1937-4-25
GH: 00424853 Amsinckia sp. USA: California Orestimba Creek, miner South Coast Ranges J. A. Ewan 10230A 1937-4-24
GH: 00424854 Amsinckia sp. USA: California Orestimba Creek, miner S. Coast Ranges J. A. Ewan 10233 1937-4-24
GH: 00424855 Amsinckia sp. USA: California near high school grounds, Lower Lake J. A. Ewan 10341 1937-5-23
GH: 01956919 Amsinckia spectabilis Fischer & C. A. Meyer USA: California San Francisco: Mountain Lake J. A. Ewan 10405 1937-6-13
GH: 01996762 Lithospermum occidentale (Mackenzie) Weakley, Witsell & D. Estes USA: Colorado Gregory Canyon; above Boulder. J. A. Ewan 11098 1937-9-19
Cactaceae GH: 01875793 Opuntia littoralis vaseyi (J. M. Coulter) L. D. Benson & Walk. USA: California Near Fork San Gabriel River J. A. Ewan 10973 1937-8-15
GH: 00354908 Opuntia parryi Engelmann USA: California Tujunga Canyon near its mouth. San Gabriel M... J. A. Ewan 11061 1937-8-23
Cupressaceae A: 02106075 Juniperus scopulorum Sargent USA: Colorado Gregory Canyon J. A. Ewan 11094 1937-9-19
Fabaceae GH: 02177116 Lupinus lyallii villosus Jepson USA: Oregon [data not captured] J. A. Ewan 10751 1937-7-27
Lamiaceae GH: 00400527 Monardella breweri lanceolata (A. Gray) A. C. Sanders & Elvin USA: California San Sevaine Flat, San Gabriel Mts. J. A. Ewan 11023 1937-8-22
GH: 00400624 Monardella saxicola I. M. Johnston USA: California Lower end of San Sevaine Flat J. A. Ewan 11013 1937-8-22
GH: 00402085 Scutellaria siphocamplyloides Vatke USA: California San Sevaine Flat, San Gabriel Mts. J. A. Ewan 11027 1937-8-22
GH: 00402129 Stachys albens A. Gray USA: California San Sevaine Flat J. A. Ewan 11034 1937-8-22
GH: 00402476 Trichostema oblongum Bentham USA: California San Sevaine Flat, San Gabriel Mts. J. A. Ewan 11017 1937-8-22
Oleaceae GH: 00401238 Fraxinus latifolia Bentham USA: California West Fork San Gabriel River. San Gabriel Mts... J. A. Ewan 10968 1937-8-15
GH: 00401238 Fraxinus oregona Nuttall USA: California West Fork San Gabriel River. San Gabriel Mts... J. A. Ewan 10968 1937-8-15
Onagraceae GH: 01624355 Boisduvalia densiflora (Lindley) S. Watson USA: California San Sevaine Flat J. A. Ewan 11035 1937-8-22
Pinaceae A: 00398135 Pinus contorta latifolia Engelmann USA: Colorado Five miles above (town of) Magnolia J. A. Ewan 11121 1937-10-10
A: 00398728 Pinus flexilis James USA: Colorado above Saddle Rock, mostly in deep soil of ro... J. A. Ewan 11113 1937-9-19
A: 01113385 Pseudotsuga menziesii (Mirbel) Franco USA: Colorado Flatirons, Green Mt., above Boulder J. A. Ewan 1937-10-17
A: 01113388 Pseudotsuga menziesii (Mirbel) Franco USA: Colorado Gregory Canyon; above Boulder. J. A. Ewan 11093 1937-9-19
Plantaginaceae GH: 00365825 Keckiella ternata (Torrey ex A. Gray) Straw USA: California San Swaine Flat, San Gabriel Mts. J. A. Ewan 11015 1937-8-22
A: 00367538 Penstemon newberryi sonomensis (Greene) Jepson USA: California Summit trail Mt. St. Helena J. A. Ewan 10334 1937-5-23
GH: 02122713 Penstemon spectabilis Thurber ex A. Gray USA: California [data not captured] J. A. Ewan 11018 1937-8-22
Platanaceae GH: 00347845 Platanus racemosa Nuttall USA: California Tujunga Creek near mouth of canyon, San Gabr... J. A. Ewan 11050 1937-8-23
Polygonaceae GH: 01966173 Eriogonum pyrolifolium coryphaeum Torrey & A. Gray USA: Oregon [data not captured] J. A. Ewan 10764 1937-7-27
GH: 00364669 Eriogonum wrightii subscaposum S. Watson USA: California San Sevaine Flat, San Gabriel Mts. J. A. Ewan 11030 1937-8-22
Ranunculaceae GH: 00038223 Delphinium gypsophilum Ewan USA: California Mouth of Pinoche Creek, alt. 550 feet J. A. Ewan 10295 1937-4-25
GH: 00369750 Delphinium uliginosum Curran USA: California Lower Lake to Monticello road, 1.9 mi. s. of... J. A. Ewan 10360 1937-5-23
Salicaceae GH: 00382139 Populus balsamifera trichocarpa (Torrey & A. Gray) Brayshaw USA: California Tujunga Creek near mouth of canyon, San Gabr... J. A. Ewan 11057 1937-8-23
GH: 00382234 Populus fremontii S. Watson USA: California Tujungo Creek near mouth of canyon, San Gabr... J. A. Ewan 11056 1937-8-23
GH: 00382139 Populus trichocarpa Torrey & A. Gray USA: California Tujunga Creek near mouth of canyon, San Gabr... J. A. Ewan 11057 1937-8-23
Solanaceae GH: 00395316 Datura wrightii Regel USA: California Jct. West Fork with No. Fork San Gabriel Riv... J. A. Ewan 10963 1937-8-15
Styracaceae GH: 00384789 Styrax redivivus (Torrey) L. C. Wheeler USA: California So. Fork San Sevaine Canyon J. A. Ewan 10986 1937-8-22
GH: 00384843 Styrax redivivus (Torrey) L. C. Wheeler USA: California San Sevaine Canyon J. A. Ewan 10982 1937-8-22
