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Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla. Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla. Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Cacti of California. Beavertail (Opuntia basilaris)
Cacti of California. Beavertail (Opuntia basilaris)
Hydrobiolog
Cacti of California. Beavertail (Opuntia basilaris)
Cacti of California. Beavertail (Opuntia basilaris)
Hydrobiolog
Cacti of California. Beavertail (Opuntia basilaris)
Cacti of California. Beavertail (Opuntia basilaris)
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis).
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis).
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis).
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis).
Hydrobiolog
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Hydrobiolog
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Hydrobiolog
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Hydrobiolog
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Engelmann's hedgehog cactus (Echinocereus engelmannii)
Arizona cacti. Engelmann's hedgehog cactus (Echinocereus engelmannii)
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Dead plant and its young shoots. Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Dead plant and its young shoots. Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Arizona cacti. Teddy bear cholla (Cylindropuntia). Different types of cacti in the wild in a desert landscape.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla. Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla. Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis). Joshua Tree National Park.
Hydrobiolog
Cacti of California. Beavertail (Opuntia basilaris)
Cacti of California. Beavertail (Opuntia basilaris)
Hydrobiolog
Cacti of California. Beavertail (Opuntia basilaris)
Cacti of California. Beavertail (Opuntia basilaris)
Hydrobiolog
Cacti of California. Beavertail (Opuntia basilaris)
Cacti of California. Beavertail (Opuntia basilaris)
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis).
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis).
Hydrobiolog
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis).
Arizona pencil cholla with long yellow spines against the blue sky. Christmas cholla, tasajillo (Cylindropuntia leptocaulis).
Hydrobiolog
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Hydrobiolog
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Hydrobiolog
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Hydrobiolog
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun
Cacti of California. Bunny-ears prickly pear (Opuntia microdasys), desert wintering reddened in the sun