Mesoamerica
Mephitis macroura
hooded skunk
Baja California
Cheilanthes alabamensis
smooth lip fern
Alabama lip fern
Baja California Peninsula
Lower California
Yucatan
cactus wren
Quintana Roo
Golfo de Mexico
Gulf of Mexico
Central America
Patagonia
Coahuila
Gulf of Tehuantepec
Salpinctes obsoletus
rock wren
southeastern United States
Patagonian Desert
Southeast
Aztec
Chihuahua
Piranga flava hepatica
Sierra Madre Occidental
hepatic tanager
New Mexico
NM
Rockies
Rocky Mountains
Rubus trivialis
Southern dewberry
blazingstar
rainbow cactus
Land of Enchantment
N.M.
genus Ariocarpus
Northwest
northwestern United States
Erodium texanum
two Americas
Texas storksbill
Ariocarpus
continental divide
Durango
rock rattlesnake
Crotalus lepidus
Campeche