Brassicaceae GH: 00309971 Arabis selbyi Rydberg USA: Colorado Base of sandstone cliff, McElmo Canyon, 10 m... R. C. Rollins & F. A. Stafleu 7140 1971-4-22
GH: 00309971 Boechera pallidifolia (Rollins) W. A. Weber USA: Colorado Base of sandstone cliff, McElmo Canyon, 10 m... R. C. Rollins & F. A. Stafleu 7140 1971-4-22
GH: 00960262 Boechera pulchra pallens (M. E. Jones) Dorn USA: Colorado east of Aneth, Utah; 1 mile east of Utah sta... R. C. Rollins & F. A. Stafleu 7150 1971-4-23
GH: 01084606 Dimorphocarpa wislizenii (J. Engleman) Rollins USA: New Mexico 6 miles west of Albuquerque R. C. Rollins & F. A. Stafleu 7127 1971-4-21
GH: 00992177 Erysimum asperum de Candolle USA: Colorado 12 miles north of Pueblo R. C. Rollins & F. A. Stafleu 7122 1971-4-20
GH: 01538298 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Colorado 5 miles west of Cortez R. C. Rollins & F. A. Stafleu 7136 1971-4-22
GH: 01549187 Lepidium montanum jonesii (Rydberg) C. L. Hitchcock USA: Colorado McElmo Canyon, 10 miles west of Cortez R. C. Rollins & F. A. Stafleu 7143 1971-4-22
GH: 01549188 Lepidium montanum jonesii (Rydberg) C. L. Hitchcock USA: Colorado McElmo Canyon, 10 miles west of Cortez R. C. Rollins & F. A. Stafleu 7142 1971-4-22
GH: 01549202 Lepidium montanum jonesii (Rydberg) C. L. Hitchcock USA: New Mexico 1/2 mile north of Table Rock, about 12 miles... R. C. Rollins & F. A. Stafleu 7128 1971-4-22
GH: 01550672 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Colorado 19 miles north of Walsenburg R. C. Rollins & F. A. Stafleu 7125 1871-4-20
GH: 01573492 Physaria acutifolia Rydberg USA: Colorado McElmo Canyon, 5 miles west of Cortez R. C. Rollins & F. A. Stafleu 7137 1971-4-22
GH: 01573494 Physaria acutifolia Rydberg USA: Colorado 2 miles north of San Juan River, between Fou... R. C. Rollins & F. A. Stafleu 7134 1971-4-22
GH: 01573533 Physaria acutifolia Rydberg USA: New Mexico near San Juan River, about 13 miles northwes... R. C. Rollins & F. A. Stafleu 7130 1971-4-22
GH: 01575091 Physaria calcicola (Rollins) O'Kane & Al-Shehbaz USA: Colorado 14 miles south of Pueblo R. C. Rollins & F. A. Stafleu 7124 1971-4-20
GH: 01575576 Physaria fendleri (A. Gray) O'Kane & Al-Shehbaz USA: New Mexico 11 miles north of Albuquerque R. C. Rollins & F. A. Stafleu 7126 1971-4-21
GH: 01687638 Physaria montana (A. Gray) Greene USA: Colorado 7-1/2 miles south of Pueblo R. C. Rollins & F. A. Stafleu 7123 1971-4-20
GH: 01691213 Physaria rectipes (Wooton & Standley) O'Kane & Al-Shehbaz USA: Colorado McElmo Canyon, 10 miles west of Cortez R. C. Rollins & F. A. Stafleu 7141 1971-4-22
GH: 01693831 Sisymbrium altissimum Linnaeus USA: Colorado McElmo Canyon, 10 miles west of Cortez R. C. Rollins & F. A. Stafleu 7144 1971-4-22
GH: 01716738 Stanleya pinnata (Pursh) Britton USA: New Mexico 8 miles south of Shiprock R. C. Rollins & F. A. Stafleu 7129 1971-4-22
GH: 01736003 Streptanthella longirostris (S. Watson) Rydberg USA: Colorado east of Aneth, Utah; 1 mile east of Utah sta... R. C. Rollins & F. A. Stafleu 7149 1971-4-23
GH: 01736007 Streptanthella longirostris (S. Watson) Rydberg USA: Colorado McElmo Canyon, 10 miles west of Cortez R. C. Rollins & F. A. Stafleu 7145 1971-4-22
GH: 01736188 Streptanthus cordatus Nuttall ex Torrey & A. Gray USA: Colorado 5 miles west of Cortez R. C. Rollins & F. A. Stafleu 7138 1971-4-22
GH: 01736605 Thelypodiopsis aurea (Eastwood) Rydberg USA: New Mexico the San Juan River, 1/2 mile east of Four Co... R. C. Rollins & F. A. Stafleu 7133 1971-4-22
GH: 01736608 Thelypodiopsis aurea (Eastwood) Rydberg USA: Utah east of Aneth near state route 262 just insi... R. C. Rollins & F. A. Stafleu 7146 1971-4-23
GH: 01736609 Thelypodiopsis aurea (Eastwood) Rydberg USA: Utah state route 262, 5-1/2 miles east of Aneth R. C. Rollins & F. A. Stafleu 7147 1971-4-23
Orobanchaceae GH: 02080336 Pedicularis centranthera A. Gray USA: Colorado 5 miles west of Cortez R. C. Rollins & F. A. Stafleu 7139 1971-4-22
Polemoniaceae GH: 01083691 Aliciella haydenii (A. Gray) J. M. Porter USA: New Mexico San Juan River valley about 13 miles northwe... R. C. Rollins & F. A. Stafleu 7131 1971-4-22