Alan Cressler:
Asclepias amplexicaulis, Carolina Sandhills National Wildlife Refuge, Chesterfield County, South Carolina 1
Alan Cressler:
Asclepias amplexicaulis, Currahee Mountain, Chattahoochee National Forest, Stephens County, Georgia 2
Alan Cressler:
Asclepias amplexicaulis, Emanuel County, Georgia 1
Alan Cressler:
Asclepias amplexicaulis, Floyd County, Georgia 1
Alan Cressler:
Asclepias amplexicaulis, Floyd County, Georgia 2
Alan Cressler:
Asclepias amplexicaulis, Seeps, Towns County, Georgia 1
Alan Cressler:
Asclepias amplexicaulis, Talbot County, Georgia 2
Alan Cressler:
Asclepias angustifolia, Sycamore Canyon, Pajarita Wilderness, Coronado National Forest, Santa Cruz County, Arizona 1
Alan Cressler:
Asclepias angustifolia, Sycamore Canyon, Pajarita Wilderness, Coronado National Forest, Santa Cruz County, Arizona 2
Alan Cressler:
Asclepias asperula, Rain Valley, Cochise County, Arizona 1
Alan Cressler:
Asclepias asperula, Rain Valley, Cochise County, Arizona 2
Alan Cressler:
Asclepias asperula, near Brazos River and I-20, Parker County, Texas 1
Alan Cressler:
Asclepias cinerea, Apalachicola National Forest, Liberty County, Florida 1
Alan Cressler:
Asclepias cinerea, Ricketson Tract, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler:
Asclepias cinerea, Ricketson Tract, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 2
Alan Cressler:
Asclepias cinerea, Ricketson Tract, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 3
Alan Cressler:
Asclepias connivens, Apalachicola National Forest, Liberty County, Florida 1
Alan Cressler:
Asclepias connivens, Camden County, Georgia 1
Alan Cressler:
Asclepias connivens, Camden County, Georgia 2
Alan Cressler:
Asclepias connivens, Pitcher Plant Savanna, Apalachicola National Forest, Liberty County, Florida 1
Alan Cressler:
Asclepias curassavica, Crooked Lake Area, Polk County, Florida 1
Alan Cressler:
Asclepias curassavica, Crooked Lake Area, Polk County, Florida 2
Alan Cressler:
Asclepias curassavica, Crooked Lake Area, Polk County, Florida 3
Alan Cressler:
Asclepias curassavica, Crooked Lake Area, Polk County, Florida 4
Alan Cressler:
Asclepias curassavica, Crooked Lake Area, Polk County, Florida 5
Alan Cressler:
Asclepias curassavica, Crooked Lake Area, Polk County, Florida 6
Alan Cressler:
Asclepias curassavica, Reserva Privada El Silencio, Provincia de Alajuela, Costa Rica 1
Alan Cressler:
Asclepias curtissii, Scrub, Lake Wales Ridge Wildlife and Environmental Area, Highlands County, Florida 1
Alan Cressler:
Asclepias curtissii, Scrub, Lake Wales Ridge Wildlife and Environmental Area, Highlands County, Florida 2
Alan Cressler:
Asclepias curtissii, Scrub, Lake Wales Ridge Wildlife and Environmental Area, Highlands County, Florida 3
