Aceraceae A: 01870810 Acer glabrum Torrey USA: Colorado Gregory Canyon, n. side of Green Mt., above ... J. A. Ewan 11223 1938-7-4
A: 01791582 Acer negundo Linnaeus USA: Colorado Boulder: Brierly Place on w. Pearl St. J. A. Ewan 11427 1938-7-14
Anacardiaceae A: 01868158 Rhus trilobata Nuttall USA: Colorado Salida: Arkansas R. at Salida J. A. Ewan 1938-8-23
Asteraceae GH: 00988151 Artemisia frigida Willdenow USA: Colorado Boulder: at foot of Flagstaff Mountain J. A. Ewan 1938-9-12
Betulaceae A: 02194262 Betula occidentalis Hooker USA: Colorado Rangers Trail, above Boy Scout Lodge, to sum... J. A. Ewan 11246 1938-7-4
A: 02193889 Betula utahensis Britton USA: Colorado Greenmans Spring, west slope of Bear Mt. (No... J. A. Ewan 11864 1938-10-15
Boraginaceae GH: 01957336 Anchusa officinalis Linnaeus USA: Colorado Boulder: West Pearl Street J. A. Ewan 11399 1938-6-25
GH: 02024510 Cryptantha minima Rydberg USA: Colorado White Rocks, along Boulder Creek, e. of Valm... J. A. Ewan 11141 1938-3-13
GH: 02027212 Hackelia floribunda (Lehmann) I. M. Johnston USA: Colorado Univ. of Colorado Camp near Ward J. A. Ewan 11440 1938-7-17
GH: 01995028 Lappula redowskii (Hornemann) Greene USA: Colorado Boulder: University of Colorado campus J. A. Ewan 11420 1938-6-30
GH: 01994996 Lappula redowskii (Hornemann) Greene USA: Colorado Arkansas R. at Salida J. A. Ewan 11566 1938-8-23
GH: 01997620 Mertensia ciliata (James) G. Don USA: Colorado Little Beaver Creek at Pingree Park road cro... J. A. Ewan 11279 1938-7-9
GH: 02058064 Mertensia lanceolata (Pursh) de Candolle USA: Colorado Boulder: Corner of 7th and Cascade streets J. A. Ewan 11150 1938-4
GH: 02058053 Mertensia lanceolata (Pursh) de Candolle USA: Colorado Mesa to e. of Gregory Creek, above Boulder J. A. Ewan 11166 1938-5-15
GH: 02058052 Mertensia lanceolata (Pursh) de Candolle USA: Colorado 4 miles n. of Boulder, foot of Front Range J. A. Ewan 11189 1938-5-25
GH: 02058167 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado near Summit Grizzly Peak; Torreys Rk. region J. A. Ewan 11511 1938-8-18
Brassicaceae GH: 01575067 Physaria bellii G. A. Mulligan USA: Colorado Along the crest of Niobrara; 6 miles north o... J. A. Ewan 11212 1938-5-25
Elaeagnaceae A: 01576842 Shepherdia canadensis Nuttall USA: Colorado Greenmans Spring, west slope of Bear Mt. (No... J. A. Ewan 11875 1938-10-15
Ericaceae A: 01536375 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Colorado Greenmans Spring, west slope of Bear Mt. (No... J. A. Ewan 11872 1938-10-15
Fabaceae GH: 02030127 Astragalus tridactylicus A. Gray USA: Colorado along crest of Niobrara shale ridge; 6 miles... J. A. Ewan 11213 1938-5-25
Iridaceae GH: 01747442 Iris missouriensis Nuttall USA: Colorado Mesa to e. of Gregory Creek, above Boulder J. A. Ewan 11183 1938-5-15
Onagraceae GH: 01674535 Circaea alpina pacifica (Ascherson & Magnus) P. H. Raven USA: Colorado Rangers trail to summit of Green Mt. above B... J. A. Ewan 11239 1938-7-4
Orchidaceae AMES: 02051298 Listera cordata (Linnaeus) R. Brown USA: Colorado Primitive Forest Reserve above Gothic J. A. Ewan 11787 1938-8-27
Pinaceae A: 00398145 Pinus contorta latifolia Engelmann USA: Colorado Above Greenmans Spring, west slope of Bear M... J. A. Ewan 11876 1938-10-15
Ranunculaceae GH: 01658234 Delphinium barbeyi (Huth) Huth USA: Colorado 4 mi. above Pingree Park J. A. Ewan 11347 1938-7-10
GH: 01658237 Delphinium barbeyi (Huth) Huth USA: Colorado near summit Loveland Pass J. A. Ewan 11522 1938-8-18
GH: 01658239 Delphinium barbeyi (Huth) Huth USA: Colorado 2 mi. above Crested Butte on Gothic road. J. A. Ewan 11635 1938-8-24
Rosaceae GH: 01586987 Agrimonia striata Michaux USA: Colorado Boulder: Near Rockmont Nursery J. A. Ewan 11462 1938-7-29
A: 01865294 Crataegus sp. USA: Colorado Mesa to e. of Gregory Creek, above Boulder J. A. Ewan 11171 1938-5-15
GH: 01569411 Potentilla norvegica Linnaeus USA: Colorado Boulder: between the stone seats of open-air... J. A. Ewan 11417 1938-6-30
A: 01701698 Rubus parviflorus Nuttall USA: Colorado Panther Gulch, Green Mt., above Boulder J. A. Ewan 11879 1938-10-15
Violaceae GH: 02147882 Viola nuttallii Pursh USA: Colorado Mesa to e. of Gregory Creek, above Boulder J. A. Ewan 11165 1938-5-15
