P-K0776 Echinocereus spec., USA, Texas,
P-K0927 Echinocereus pectinatus wenigeri, Mexico, Zacatecas, Sombrerete,
P-K0931 Echinocereus knippelianus kruegeri, Mexico, Coahuila, Saltillo,
P-K1307 Echinocereus pectinatus wenigeri, Mexico, San Luis Potosi, Salinas,
P-K1340 Echinocereus spec., Mexico, Sonora, Maycoba,
P-K1400 Echinocereus papillosus, USA, Texas, Starr Co.,
P-K1454 Echinocereus pulchellus, Mexico, Coahuila, Saltillo,
P-K1485 Echinocereus reichenbachii caespitosus, USA, Texas, Wise Co.,
P-K1569 Echinocereus reichenbachii caespitosus, USA, Texas, Wichita,
P-K1621 Echinocereus fendleri, USA, Colorado, La Plata Co.,
P-K1728 Echinocereus reichenbachii caespitosus, USA, Texas, Sterling Co.,
P-K1774 Echinocereus sciurus, Mexico, Baja California, San Jose de Cabo,
P-K2048 Echinocereus fasciculatus boyce-thompsonii, USA, Arizona, Globe, Gila Co.,
P-K2080 Echinocereus grandis, Mexico, Baja California, San Esteban,
P-K2095 Echinocereus fendleri, Mexico, Coahuila,
P-K2103 Echinocereus fendleri hempelii, Mexico, Chihuahua, Santa Clara Canyon,
P-K2115 Echinocereus reichenbachii baileyi, USA, Oklahoma, Kiowa Co.,
P-K2162 Echinocereus engelmannii, USA, Arizona,
P-K2173 Echinocereus pectinatus wenigeri, Mexico, Coahuila, Cuatrocienegas,
P-K2196 Echinocereus coccineus lloydii, USA, Texas, Pecos River,
P-K2401 Echinocereus engelmannii, USA, New Mexico, Yoshua Tree,
P-K2408 Echinocereus triglochidiatus, Bichnell,
P-K2409 Echinocereus triglochidiatus, USA, New Mexico, Madrid, Santa Fe Co.,
P-K2411 Echinocereus reichenbachii, Mexico, Tamaulipas, Las Crucitas,
P-K2426 Echinocereus pectinatus wenigeri, Mexico, Coahuila, Saltillo,
P-K2427 Echinocereus fendleri, USA, New Mexico, Luna Co.,
P-K2448 Echinocereus viridiflorus, USA, New Mexico, Taos Co.,
P-K2449 Echinocereus viridiflorus, USA, New Mexico, Manzano, Torrance Co.,
P-K2497 Echinocereus pectinatus wenigeri, La Moya,
P-K2604 Echinocereus fendleri hempelii, Mexico, Chihuahua, Buenaventura,
P-K2721 Echinocereus reichenbachii caespitosus, USA, New Mexico, Dona Ana Co.,
P-K2741 Echinocereus poselgeri australis,,
P-K2845 Echinocereus spec., Lake Rainbow,
P-K2887 Echinocereus viridiflorus cylindricus, USA, New Mexico, Socorro Co.,
P-K2890 Echinocereus palmeri, Mexico, Chihuahua, Buenaventura,
P-K2892 Echinocereus viridiflorus, USA, Colorado, Chaffee Co.,
P-K2899 Echinocereus palmeri, Mexico, Chihuahua, Santa Clara Canyon,
P-K2924 Echinocereus polyacanthus, Mexico, Chihuahua, Cochendo,
P-K2926 Echinocereus viridiflorus cylindricus, USA, New Mexico, Organ Mts., Dona Ana Co.,
P-K2970 Echinocereus reichenbachii perbellus, USA, Oklahoma, C.R.South,
P-K2982 Echinocereus spec., Mexico, Aguascalientes, Aguascalientes,
P-K2983 Echinocereus spec., Mexico, Chihuahua, Estacion Creel,