Brassicaceae GH: 00107124 Halimolobos minutiflora Rollins Mexico: San Luis Potosà Along Mex. Hwy. 49 between the cities of San... R. C. Rollins & K. W. Roby 74127 1974-10-7
GH: 01540445 Hesperidanthus linearifolius (A. Gray) Rydberg USA: Arizona in Pinery Canyon, road to Rustler's Park 7.5... R. C. Rollins & K. W. Roby 74196 1974-10-21
GH: 01540448 Hesperidanthus linearifolius (A. Gray) Rydberg USA: Arizona 7 miles west of Rustler Park, Chiricahua Mts... R. C. Rollins & K. W. Roby 74195 1974-10-21
GH: 01540450 Hesperidanthus linearifolius (A. Gray) Rydberg USA: Arizona 1 mile north of Rustler's Park, Coronado Nat... R. C. Rollins & K. W. Roby 74198 1974-10-21
GH: 01550399 Nerisyrenia camporum (A. Gray) Greene USA: New Mexico near Hwy I.10, 3 miles west of Las Cruces R. C. Rollins & K. W. Roby 74194 1974-10-20
GH: 01550405 Nerisyrenia camporum (A. Gray) Greene USA: New Mexico 4 miles north of Tularosa R. C. Rollins & K. W. Roby 7417 1974-9-13
GH: 01550432 Nerisyrenia camporum (A. Gray) Greene USA: Texas near Interstate Hwy. 10, north of El Paso, 8... R. C. Rollins & K. W. Roby 74193 1974-10-20
GH: 01573376 Pennellia longifolia (Bentham) Rollins USA: Arizona Rustler's Park. Coronado National Forest, Ch... R. C. Rollins & K. W. Roby 74197 1974-10-21
GH: 01573379 Pennellia longifolia (Bentham) Rollins USA: Arizona Rustler's Park, Coronado National Forest, Ch... R. C. Rollins & K. W. Roby 74197 1974-10-21
GH: 00216553 Pennellia mcvaughii Rollins Mexico: México Durango. Near Mex. Highway 40, 26 miles east... R. C. Rollins & K. W. Roby 7423 1974-9-21
GH: 00019413 Pennellia mcvaughii Rollins Mexico: Durango Near Mex. Hwy. 40, 26 miles east of El Salto... R. C. Rollins & K. W. Roby 7423 1974-9-21
GH: 00019418 Pennellia robinsonii Rollins Mexico: Chihuahua 21 miles south of Chihuahua City R. C. Rollins & K. W. Roby 74182 1974-10-15
GH: 01691110 Physaria purpurea (A. Gray) O'Kane & Al-Shehbaz USA: Arizona Sabino Canyon, Santa Catalina Mts., Coronado... R. C. Rollins & K. W. Roby 74235 1974-12-22
Orchidaceae AMES: 02092273 Stenorrhynchos aurantiacum (Lexarza) Lindley Mexico: Durango 5.5 miles E. of El Salto, just E. of Haciend... R. C. Rollins & K. W. Roby 7435 1974-9-21
AMES: 02092297 Stenorrhynchos lanceolatum (Aublet) Richard ex Sprengel Mexico: Coahuila Steep hillside near Microwave tower, Estacio... R. C. Rollins & K. W. Roby 7468 1974-9-27
Secotiaceae FH: 00373661 Longula texensis (Berkeley & M. A. Curtis) Zeller Mexico: Chihuahua near Mex. Highway 45, Chihuahuan Desert, 44.... R. C. Rollins & K. W. Roby 1974-10-19
