Brassicaceae GH: 00948854 Boechera stricta (Graham) Al-Shehbaz USA: Colorado at or near Emerald Lake, 5 mi. NW of Gothic,... H. H. Iltis & G. Iltis 4404 1953-7-18
GH: 01155282 Cardamine cordifolia A. Gray USA: Colorado above Lost Lake, 6 mi. W of Kebbler Pass, (2... H. H. Iltis & G. Iltis 4376 1953-7-12
GH: 01155378 Descurainia incana (Bernhardi ex Fischer & C. A. Meyer) Dorn USA: Colorado vicinity of the Rocky Mts. Biol. Lab. GOTHIC... H. H. Iltis & G. Iltis 4385 1953-7-16
GH: 01084548 Descurainia sp. USA: Colorado Great Sand Dunes National Monument, about 25... H. H. Iltis & G. Iltis 4354 1953-7-11
GH: 01155894 Draba aurea Vahl USA: Colorado border of Chaffee Co.; top of Monarch Pass H... H. H. Iltis & G. Iltis 4428 1953-7-20
GH: 00992020 Draba helleriana Greene USA: New Mexico 6 mi. E. of Taos on U.S. Highway 64 H. H. Iltis & G. Iltis 4330 1953-7-10
GH: 01561152 Draba spectabilis oxyloba (Greene) O. E. Schulz USA: Colorado in valley of Copper Creek, above Gothic, 9 m... H. H. Iltis & G. Iltis 4393 1953-7-15
GH: 01561959 Erysimum capitatum (Douglas ex Hooker) Greene USA: New Mexico Broad subalpine valley of Eagle Nest Lake, 5... H. H. Iltis & G. Iltis 4311 1953-7-9
GH: 01538293 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Colorado at or near Emerald Lake, 5 mi. NW of Gothic,... H. H. Iltis & G. Iltis 4414 1953-7-18
GH: 01538304 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Colorado top of Monarch Pass Hill, on continental div... H. H. Iltis & G. Iltis 4436 1953-7-20
GH: 01540486 Hesperidanthus linearifolius (A. Gray) Rydberg USA: New Mexico Broad, subalpine valley of Eagle Nest Lake, ... H. H. Iltis & G. Iltis 4310 1953-7-9
GH: 01549042 Lepidium montanum Nuttall USA: Colorado along US Highway #160. 1 mi. W. of Blanca, S... H. H. Iltis & G. Iltis 4350 1953-7-10
GH: 01550655 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Colorado at border of Chafee Co.; on slopes and top o... H. H. Iltis & G. Iltis 4475 1953-7-20
GH: 01575756 Physaria floribunda Rydberg USA: Colorado South rim of Black Canjon of the Gunnison Ri... H. H. Iltis & G. Iltis 436 1953-7-11
GH: 01692028 Rorippa curvipes Greene USA: Colorado at or near Emerald Lake, 5 mi. NW of Gothic,... H. H. Iltis & G. Iltis 4418 1953-7-18
Capparaceae GH: 01872217 Peritoma multicaulis (de Candolle) Iltis USA: Colorado in lowest parts of the San Luis Valley, E. o... H. H. Iltis & G. Iltis 4359 1953-7-11
