Alan Cressler:
Acacia koa, Mauna Loa Strip, Hawaii Volcanoes National Park, Kau District, Hawaii County, Hawaii 3
Alan Cressler:
Acacia pinetorum, Frost, Long Pine Key, Everglades National Park, Miami-Dade County, Florida 1
Alan Cressler:
Acer grandidentatum, Sabinal River, Sabinal Canyon, Lost Maples State Natural Area, Bandera County, Texas 1
Alan Cressler:
Acer grandidentatum, Sabinal River, Sabinal Canyon, Lost Maples State Natural Area, Bandera County, Texas 2
Alan Cressler:
Acer macrophyllum, Wallace Falls State Park, Snohomish County, Washington 1
Alan Cressler:
Acer rubrum, Chattahoochee National Forest, Rabun County, Georgia 1
Alan Cressler:
Acer rubrum, Chattahoochee National Forest, Rabun County, Georgia 2
Alan Cressler:
Acer rubrum, near Jerry Reeves Creek, Upson County, Georgia 1
Alan Cressler:
Aesculus glabra (undescribed variety), Cedar Mountain, Douglas County, Georgia 1
Alan Cressler:
Alisma subcordatum, Murray County, Georgia 1
Alan Cressler:
Allium burdickii, Sharp-Bingham Mountain Preserve, The Nature Conservancy, Jackson County, Alabama 1
Alan Cressler:
Allium burdickii, Sharp-Bingham Mountain Preserve, The Nature Conservancy, Jackson County, Alabama 2
Alan Cressler:
Allium burdickii, Sharp-Bingham Mountain Preserve, The Nature Conservancy, Jackson County, Alabama 2
Alan Cressler:
Alocasia sarawakensis, Deer Cave, Entrance Area, Gunung Mulu National Park, Borneo, Sarawak, Malaysia 2
Alan Cressler:
Alocasia sarawakensis, Deer Cave, Entrance Area, Gunung Mulu National Park, Borneo, Sarawak, Malaysia 5
Alan Cressler:
Alocasia sarawakensis, Deer Cave, Entrance Area, Gunung mulu National Park, Borneo, Sarawak, Malaysia 4
Alan Cressler:
Amaranthus palmeri, north of Highway 234, Calhoun County, Georgia 1
Alan Cressler:
Amaranthus palmeri, north of Highway 234, Calhoun County, Georgia 2
Alan Cressler:
Amaranthus palmeri, north of Highway 234, Calhoun County, Georgia 3
Alan Cressler:
Amorphophallus species, Camp 5 Trail, Gunung Mulu National Park, Borneo, Sarawak, Malaysia 1
Alan Cressler:
Amorphophallus species, Camp 5 Trail, Gunung Mulu National Park, Borneo, Sarawak, Malaysia 2
Alan Cressler:
Aplectrum hyemale, 9UN367, Track Rock Gap Archaeological Area, Chattahoochee National Forest, Union County, Georgia 1
Alan Cressler:
Aplectrum hyemale, Beech Creek, Southern Nantahala Wilderness, Nantahala National Forest, Clay County, North Carolina 2
Alan Cressler:
Arabis laevigata, Stone Mountain, Dekalb County, Georgia 3
Alan Cressler:
Arabis laevigata, Stone Mountain, Dekalb County, Georgia 4
Alan Cressler:
Arabis missouriensis, Cedar Mountain, Douglas County, Georgia 1
Alan Cressler:
Arabis missouriensis, Cedar Mountain, Douglas County, Georgia 2
Alan Cressler:
Aralia nudicaulis, Rocky Mountain National Park, Larimer County, Colorado 1
Alan Cressler:
Arenaria cumberlandensis (Minuartia cumberlandensis), winter rosettes, Pickett CCC Memorial State Park, Pickett County, Tennessee 1
Alan Cressler:
Argyroxiphium sandwicense subsp. sandwicense, Mauna Kea, Hawaii County, Hawaii 1
