Alan Cressler:
Allium speculae, Little River Canyon National Preserve, Dekalb County, Alabama 1
Alan Cressler:
Allium speculae, Little River Canyon National Preserve, Dekalb County, Alabama 2
Alan Cressler:
Allium speculae, Little River Canyon National Preserve, Dekalb County, Alabama 3
Alan Cressler:
Allium speculae, Little River Canyon National Preserve, Dekalb County, Alabama 4
Alan Cressler:
Amsonia tabernaemontana, Little River Canyon National Preserve, Cherokee County, Alabama 2
Alan Cressler:
Bigelowia nuttallii, Little River, LIttle River Canyon, Little River Canyon National Preserve, DeKalb and Cherokee Counties, Alabama 1
Alan Cressler:
Brooks Branch, Little River Canyon National Preserve, DeKalb County, Alabama 1
Alan Cressler:
Brooks Branch Falls, Little River Canyon, Lookout Mountain, Little River Canyon National Preserve, DeKalb County, Alabama 1
Alan Cressler:
Brooks Branch Falls, Little River Canyon, Lookout Mountain, Little River Canyon National Preserve, DeKalb County, Alabama 2
Alan Cressler:
Cumberland Plateau Sandstone Riverscour Barrens, Little River, Little River Canyon National Preserve, DeKalb and Cherokee Counties, Alabama 1
Alan Cressler:
Cumberland Plateau Sandstone Riverscour Barrens, Little River, Little River Canyon National Preserve, DeKalb and Cherokee Counties, Alabama 2
Alan Cressler:
Cumberland Plateau Sandstone Riverscour Barrens, Little River, Little River Canyon National Preserve, DeKalb and Cherokee Counties, Alabama 3
Alan Cressler:
Cumberland Plateau Sandstone Riverscour Barrens, Little River, Little River Canyon National Preserve, DeKalb and Cherokee Counties, Alabama 4
Alan Cressler:
Cuscuta harperi, on Liatris microcephala, Sandstone Flat Rock, Little River Canyon National Preserve, DeKalb County, Alabama 2
Alan Cressler:
Cuscuta harperi, on Liatris species, Sandstone Flatrock, Little River Canyon National Preserve, DeKalb County, Alabama 1
Alan Cressler:
Drosera brevifolia, Lookout Mountain, Little River Canyon National Preserve, DeKalb County, Alabama 1
Alan Cressler:
Fossiliferous Limestone, Mississippian Age, Pennington Formation, Little River Canyon, Little River Canyon National Preserve, Cherokee County, Alabama 1
Alan Cressler:
Fossiliferous Limestone, Mississippian Age, Pennington Formation, Little River Canyon, Little River Canyon National Preserve, Cherokee County, Alabama 2
Alan Cressler:
Fossiliferous Limestone, Mississippian Age, Pennington Formation, Little River Canyon, Little River Canyon National Preserve, Cherokee County, Alabama 3
Alan Cressler:
Fossiliferous Limestone, Mississippian Age, Pennington Formation, Little River Canyon, Little River Canyon National Preserve, Cherokee County, Alabama 4
Alan Cressler:
Fossiliferous Limestone, Mississippian Age, Pennington Formation, Little River Canyon, Little River Canyon National Preserve, Cherokee County, Alabama 5
Alan Cressler:
Fossiliferous Limestone, Pennington Formation, Mississippian Age, Little River Canyon, Little River Canyon National Preserve, Cherokee County, Alabama 1
Alan Cressler:
Graces High Falls, Little River Canyon National Preserve, Lookout Mountain, DeKalb County, Alabama 2
Alan Cressler:
Gymnosporangium juniperi-virginianae, on Juniperus virginiana, Little River Canyon National Preserve, Dekalb County, Alabama 3
Alan Cressler:
Hypoxis hirsuta, Little River Canyon National Preserve, Cherokee County, Alabama 3
Alan Cressler:
Isoetes piedmontana, Sewanee Conglomerate, Flatrock Outcrop, Little River Canyon National Preserve, DeKalb County, Alabama 1
Alan Cressler:
Isoetes piedmontana, Sewanee Conglomerate, Flatrock Outcrop, Little River Canyon National Preserve, DeKalb County, Alabama 2
Alan Cressler:
Isoetes piedmontana, Sewanee Conglomerate, Flatrock Outcrop, Little River Canyon National Preserve, DeKalb County, Alabama 3
Alan Cressler:
Isoetes piedmontana, Sewanee Conglomerate, Flatrock Outcrop, Little River Canyon National Preserve, DeKalb County, Alabama 4
Alan Cressler:
Isoetes piedmontana, Sewanee Conglomerate, Flatrock Outcrop, Little River Canyon National Preserve, DeKalb County, Alabama 5
