Alan Cressler:
Algae, Collins River, Grundy County, Tennessee 1
Alan Cressler:
Aquatic Fungus (unidentified), Conasauga River, Cherokee National Forest, Polk County, Tennessee 1
Alan Cressler:
Aquatic Fungus (unidentified), Conasauga River, Cherokee National Forest, Polk County, Tennessee 2
Alan Cressler:
Cambarus coosae, Conasauga River, Chattahoochee National Forest, Murray County, Georgia 1
Alan Cressler:
Cambarus species, Hiwassee River, Cherokee National Forest, Polk County, Tennessee 1
Alan Cressler:
Cambarus species, Hiwassee River, Cherokee National Forest, Polk County, Tennessee 2
Alan Cressler:
Cambarus species, Hiwassee River, Polk County, Tennessee 1
Alan Cressler:
Cambarus species, Hiwassee River, Polk County, Tennessee 2
Alan Cressler:
Cambarus rusticiformis, Collins River, Grundy County, Tennessee 1
Alan Cressler:
Cambarus rusticiformis, Collins River, Grundy County, Tennessee 2
Alan Cressler:
Cambarus rusticiformis, Collins River, Grundy County, Tennessee 3
Alan Cressler:
Cambarus scotti, Shoal Creek, Talladega National Forest, Cleburne County, Alabama 1
Alan Cressler:
Cambarus scotti, Shoal Creek, Talladega National Forest, Cleburne County, Alabama 2
Alan Cressler:
Cambarus scotti, South Fork Terrapin Creek, Talladega National Forest, Cleburne County, Alabama 1
Alan Cressler:
Cambarus scotti, South Fork Terrapin Creek, Talladega National Forest, Cleburne County, Alabama 2
Alan Cressler:
Cambarus species, Hiwassee River, Polk County, Tennessee 1
Alan Cressler:
Corydalus cornutus, Hiwassee River, Polk County, Tennessee 1
Alan Cressler:
Cottus carolinae, Hiwassee River, Cherokee National Forest, Polk County, Tennessee 1
Alan Cressler:
Cottus carolinae, Hiwassee River, Cherokee National Forest, Polk County, Tennessee 2
Alan Cressler:
Cottus carolinae, Hiwassee River, Polk County, Tennessee 1
Alan Cressler:
Cottus carolinae, South Fork Terrapin Creek, Talladega National Forest, Cleburne County, Alabama 1
Alan Cressler:
Cottus species, Highrock Creek, Talladega National Forest, Cleburne County, Alabama 1
Alan Cressler:
Cryptobranchus alleganiensis, Cherokee National Forest, Polk County, Tennessee 1
Alan Cressler:
Cryptobranchus alleganiensis, Cherokee National Forest, Polk County, Tennessee 2
Alan Cressler:
Cyprinella caerulea, Conasauga River, Cherokee National Forest, Polk County, Tennessee 1
Alan Cressler:
Cyprinella caerulea, Conasauga River, Cherokee National Forest, Polk County, Tennessee 2
Alan Cressler:
Egg Mass, Hiwassee River, Cherokee National Forest, Polk County, Tennessee 1
Alan Cressler:
Elimia fascinans (possible identification), South Fork Terrapin Creek, Talladega National Forest, Cleburne County, Alabama 1
Alan Cressler:
Etheostoma akatulo (left), and Etheostoma etnieri (right), Collins River, Grundy County, Tennessee 1
Alan Cressler:
Etheostoma akatulo, Collins River, Grundy County, Tennessee 1
