GR008 Echinocereus viridiflorus, USA, Colorado, San Isobel Nat. Forest,
GR009 Echinocereus triglochidiatus, USA, Colorado, San Isobel Nat. Forest,
GR027 Echinocereus maritimus, Mexico, Baja California, El Socorro Ranch, 16 km, seashore,
GR028 Echinocereus maritimus, Mexico, Baja California, El Socorro Ranch, 16 km, seashore,
GR039 Echinocereus engelmannii, USA, Arizona, Grand Canyon, cut off w 10 km,
GR043 Echinocereus rigidissimus, USA, Arizona, Warsaw Canyon,
GR505 Echinocereus triglochidiatus coccineus, USA, Colorado, Unaweep Canyon,
GR506 Echinocereus triglochidiatus inermis, USA, Colorado, Unaweep Canyon,
GR524 Echinocereus brandegeei, Mexico, Baja California, Navidad, San Ignacio rd,
GR530 Echinocereus brandegeei, Mexico, Baja California, San Pedrito,
GR604 Echinocereus viridiflorus chloranthus, USA, Texas, Franklin Mts., beside transmontane rd,
GR608 Echinocereus viridiflorus chloranthus, USA, New Mexico, Soledad Canyon, Dona Ana Co., Organ Mts.,