March-April 1993 - Big Bend Country

Coryphantha echinus - Los Caballos, Brewster County, Texas
Echinocactus horizonthalonius - in front of Chisos Mountains baisin window pour-off.
Echinocactus texensis - Judge Roy Bean Museum, Langtry.
Echinocereus chloranthus - Los Caballos, Brewster County, Texas.
Echinocereus dasyacanthus - Limestone cliffs near Terlingua, Texas.
Echinocereus stramineus - Big Bend National Park, Texas.
Echinocereus triglochidiatus - Los Caballos, Brewster County, Texas.
Echinocereus triglochidiatus - Los Caballos, Brewster County, Texas.
Echinomastus intertextus - in front of Chisos Mountains, S. of Panther Junction.
Escobaria albicolumnaria - above Boquillas Canyon, Big Bend National Park, Texas.
Ferocactus haematacanthus - Black Gap Wildlife Management Area, Texas.
Mammillaria heyderi subsp. meiacantha - Big Bend National Park, Texas.
Mammillaria lasiacantha - Limestone cliffs above and to the South of Terlingua.
Mammillaria pottsii - Limestone cliffs above and to the South of Terlingua.
Thelocactus bicolor var. flavidispinus - Los Caballos, Brewster County, Texas
Thelocactus bicolor var. flavidispinus - Los Caballos, Brewster County, Texas
Sclerocactus scheeri - Amistad Recreation area
Sclerocactus uncinatus - Black Gap Wildlife Management Area near Dog Canyon, Texas.
Sclerocactus uncinatus - Black Gap Wildlife Management Area near Dog Canyon, Texas.