Baja California Peninsula
Baja California
Lower California
Sacramento Mountains
Guanajuato
Sierra Madre Occidental
Veracruz
Nayarit
Yucatan
Jemez
Sierra Madre Oriental
rock rattlesnake
Crotalus lepidus
Iztaccíhuatl
Coahuila
Middle America
Volcan de Colima
Quintana Roo
hooded skunk
Mephitis macroura
Nevado de Colima
Colima
subandean
Yoro
Erodium texanum
Chihuahua
Texas storksbill
Wheeler Peak
Mesoamerica
San Marcos
Cascade Range
Andean Mountains
New Mexico
Land of Enchantment
NM
N.M.
cisandine
Central America
Gulf of Tehuantepec
holler
Chihuahuan Desert
Crotalus tigris
hollow
tiger rattlesnake
rainbow cactus
Valley of Mexico
Cerro El Muerto
El Muerto
Cheilanthes alabamensis
Alabama lip fern