Alan Cressler:
Adelges tsugae, on Tsuga canadensis, Jacks River, Cohutta Wilderness, Chattahoochee National Forest, Fannin County, Georgia 1
Alan Cressler:
Adelges tsugae, on Tsuga canadensis, Laurel Fork Gorge, Pond Mountain Wilderness, Cherokee National Forest, Carter County, Tennessee 1
Alan Cressler:
Anadenobolus monilicornis, Matheson Hammock County Park, Miami-Dade County, Florida 3
Alan Cressler:
Anadenobolus monilicornis, Matheson Hammock County Park, Miami-Dade County, Florida 4
Alan Cressler:
Anolis equestris equestris, Matheson Hammock County Park, Miami-Dade County, Florida 1
Alan Cressler:
Anolis equestris equestris, Matheson Hammock County Park, Miami-Dade County, Florida 3
Alan Cressler:
Anolis sagrei (male), Bahia Honda Key, Bahia Honda State Park, Monroe County, Florida 2
Alan Cressler:
Anolis sagrei (male), Bahia Honda Key, Bahia Honda State Park, Monroe County, Florida 3
Alan Cressler:
Anolis sagrei sagrei (female), Garden Key, Dry Tortugas National Park, Gulf of Mexico, Monroe County, Florida 1
Alan Cressler:
Anolis sagrei, Harborwalk, Punta Gorda, Charlotte County, Florida 3
Alan Cressler:
Argiope appensa (introduced), Puuhonua o Honaunau National Historical Park, South Kona District, Hawaii County, Hawaii 2
Alan Cressler:
Artema atlanta (female), Pauko Cave, Puako Petroglyph Archaeological District, South Kohala District, Hawaii County, Hawaii 2
Alan Cressler:
Artema atlanta (male), Pauko Cave, Puako Petroglyph Archaeological District, South Kohala District, Hawaii County, Hawaii 2
Alan Cressler:
Arundo donax (exotic pest grass), Gambusia Marsh, Gambusia Marsh Trail, Sea Rim State Park, Jefferson County, Texas 1
Alan Cressler:
Arundo donax (exotic pest grass), Gambusia Marsh, Gambusia Marsh Trail, Sea Rim State Park, Jefferson County, Texas 2
Alan Cressler:
Bipalium kewense, Stone Mountain Park, DeKalb County, Georgia 1
Alan Cressler:
Cactoblastis cactorum (possible identification), Mating, Garden Key, Dry Tortugas National Park, Gulf of Mexico, Monroe County, Florida 1
Alan Cressler:
Clematis orientalis, Lower Glenwood Canyon, near Glenwood Springs, Garfield County, Colorado 1
Alan Cressler:
Clematis orientalis, Lower Glenwood Canyon, near Glenwood Springs, Garfield County, Colorado 2
Alan Cressler:
Clinopodium calamintha, Caney Fork River Gorge, Rock Island State Park, White County, Tennessee 1
Alan Cressler:
Conium maculatum, Paint Rock River Valley, Jackson County, Alabama 1
Alan Cressler:
Conium maculatum, Paint Rock River Valley, Jackson County, Alabama 2
Alan Cressler:
Conium maculatum, Paint Rock River Valley, Jackson County, Alabama 3
Alan Cressler:
Conium maculatum, Paint Rock River Valley, Jackson County, Alabama 4
Alan Cressler:
Corbicula fluminea, Cahaba Valley Creek, Shelby County, Alabama 1
Alan Cressler:
Corbicula fluminea, Cow Castle Creek, above County Road, Orangeburg County, South Carolina 1
Alan Cressler:
Corbicula fluminea, Spring Creek, Marianna, Jackson County, Florida 2
Alan Cressler:
Cyrtomium fortunei (naturalized), South Fork Peachtree Creek, Hahn Woods, Emory University, DeKalb County, Georgia 1
Alan Cressler:
Deparia petersenii, Doerun Pitcherplant Bog Natural Area, Colquitt County, Georgia 1
Alan Cressler:
Deparia petersenii, Doerun Pitcherplant Bog Natural Area, Colquitt County, Georgia 2
