Aceraceae A: 01870811 Acer glabrum Torrey USA: Colorado 1 mile above mouth of Whiskey Cr. Canyon, ab... J. A. Ewan 13231 1941-6-18
Anacardiaceae A: 01868145 Rhus trilobata Nuttall USA: Colorado on sw. slopes of Sphinx, Fremont Butte, nw. ... J. A. Ewan 12767 1941-5-30
Boraginaceae GH: 02023500 Cryptantha fendleri (A. Gray) Greene USA: Colorado Painter Ranch at Roggen J. A. Ewan 12741 1941-5-30
GH: 02024507 Cryptantha minima Rydberg USA: Colorado 4 miles south of Aguilar J. A. Ewan 12959 1941-6-14
GH: 02024508 Cryptantha minima Rydberg USA: Colorado 4 miles north of Boulder, on foothill road t... J. A. Ewan 12933 1941-6-8
GH: 02024509 Cryptantha minima Rydberg USA: Colorado Arikaree River at Beecher Island. J. A. Ewan 12789 1941-5-31
GH: 02024966 Cryptantha pattersoni (A. Gray) Greene USA: Colorado Bull-Dominico Hills, 2 miles n. of Westcliff... J. A. Ewan 13311 1941-6-19
GH: 02026071 Cynoglossum officinale Linnaeus USA: New Mexico Caplin Mt. (sw. base), 6 miles sw. of Folsom... J. A. Ewan 13167 1941-6-17
GH: 02026072 Cynoglossum officinale Linnaeus USA: Colorado Berwind Canyon Creek, above the coke ovens J. A. Ewan 12970 1941-6-14
GH: 02026706 Eritrichium nanum elongatum (Rydberg) Cronquist USA: Colorado Near Summit of Mt. Edwards, opp. Grays Peak J. A. Ewan 13395 1941-7-20
GH: 01994977 Lappula redowskii (Hornemann) Greene USA: Colorado Bakersville, above Graymont J. A. Ewan 13733 1941-8-17
GH: 01994965 Lappula redowskii (Hornemann) Greene USA: Colorado Bull-Dominico Hills, 2 miles n. of Westcliff... J. A. Ewan 13312 1941-6-19
GH: 01994964 Lappula redowskii (Hornemann) Greene USA: Colorado South Platte River at Masters. J. A. Ewan 12753 1941-5-30
GH: 01995029 Lappula redowskii (Hornemann) Greene USA: Colorado Black Wolf Creek, 1 mile n. of Beecher Islan... J. A. Ewan 12911 1941-5-31
GH: 01995027 Lappula redowskii (Hornemann) Greene USA: Colorado 4 miles north of Boulder, on foothill road t... J. A. Ewan 12936 1941-6-8
GH: 01995167 Lappula redowskii (Hornemann) Greene USA: New Mexico Between Raton and Sugarite Creek, 3 miles ea... J. A. Ewan 13141 1941-6-17
GH: 01995166 Lappula redowskii (Hornemann) Greene USA: New Mexico Capulin Mt. (sw. base), 6 miles sw. of Folso... J. A. Ewan 13170 1941-6-17
GH: 01996064 Lithospermum incisum Lehmann USA: Colorado 1 miles south of Stonewall J. A. Ewan 13032 1941-6-15
GH: 01996657 Lithospermum multiflorum Torrey USA: Colorado Bull-Dominico Hills, 2 miles n. of Westcliff... J. A. Ewan 13292 1941-6-19
GH: 02059434 Mertensia sp. USA: Colorado Head of Berwind Canyon J. A. Ewan 12984 1941-6-14
GH: 02059431 Mertensia sp. USA: Colorado Near divide betw. head of Big Sandy Creek an... J. A. Ewan 12827 1941-6-1
GH: 02059777 Oreocarya cana A. Nelson USA: Colorado Fremont Butte, nw. of Akron J. A. Ewan 12770 1941-5-30
GH: 02060028 Oreocarya cinerea Greene USA: Colorado Painter Ranch at Roggen J. A. Ewan 12734 1941-3-30
GH: 02061332 Oreocarya thyrsiflora Greene USA: New Mexico Between Raton and Sugarite Creek, 3 miles ea... J. A. Ewan 13136 1941-6-17
Brassicaceae GH: 01549404 Lepidium perfoliatum Linnaeus USA: Colorado South Platte River at Masters J. A. Ewan 12758 1941-5-30
GH: 01575099 Physaria calcicola (Rollins) O'Kane & Al-Shehbaz USA: Colorado 3 mi. nw. of Pueblo J. A. Ewan 14171 1941-6-12
GH: 01691869 Rorippa alpina (S. Watson) Rydberg USA: Colorado 1 mile above Thunder Lake; Wild Basin J. A. Ewan 13611 1941-8-10
GH: 01692801 Rorippa palustris hispida (Desvaux) Rydberg USA: Colorado Sayre Ranch, nw. of Rollinsvile, near Boulde... J. A. Ewan 13809 1941-8-17
Elaeagnaceae A: 01576841 Shepherdia canadensis Nuttall USA: Colorado West slope of So. Boulder Peak J. A. Ewan 12720 1941-5-17
Fabaceae GH: 02049196 Astragalus missouriensis Nuttall USA: New Mexico 12 miles east of Raton on road to Capulin J. A. Ewan 13159 1941-6-17
GH: 02177895 Lupinus plattensis S. Watson USA: New Mexico Vermejo Creek, 2 miles north of Dawson J. A. Ewan 13128 1941-6-16
A: 02134917 Robinia neomexicana A. Gray USA: Colorado Berwind Canyon Creek, above coke ovens J. A. Ewan 12979 1941-6-14
Hippuridaceae GH: 02000437 Hippuris vulgaris Linnaeus USA: Colorado Colony on south side of lake; Lily Lake, n. ... J. A. Ewan 14067 1941-10-5
Isoetaceae GH: 02074394 Isoetes bolanderi Engelmann USA: Colorado Specimen Lake, e. slope Shipler Mt., near Mi... J. A. Ewan 14045 1941-10-5
Lentibulariaceae GH: 01975585 Utricularia macrorhiza LeConte USA: Colorado Sheep Lake, Fall River Valley, above Estes P... J. A. Ewan 14057 1941-10-5
Ranunculaceae GH: 01708948 Aquilegia coerulea James USA: Colorado boulder field of Mt. Tanima, above Thunder L... J. A. Ewan 13576 1941-8-9
GH: 01658225 Delphinium barbeyi (Huth) Huth USA: Colorado (west) upper end of Thunder Lake, Rocky Moun... J. A. Ewan 13631 1941-8-10
GH: 01838758 Thalictrum dasycarpum Fischer & Ave-Lallemant USA: Colorado along old road; near St. Vrain Creek. Dixons... J. A. Ewan 13654 1941-8-12
Solanaceae GH: 01543142 Solanum nitidibaccatum Bitter USA: Colorado Superior, south of Louisville J. A. Ewan 14108 1941-10-17