Alan Cressler:
Abies fraseri recruitment, Picea rubens and Abies fraseri Forest, Roan High Bluff, Pisgah National Forest, Mitchell County, North Carolina 1
Alan Cressler:
Abies fraseri, Clingmans Dome, Great Smoky Mountains National Park, Sevier County, Tennessee 1
Alan Cressler:
Abies fraseri, Clingmans Dome, Great Smoky Mountains National Park, Sevier County, Tennessee 2
Alan Cressler:
Abies fraseri, Roan Mountain, Pisgah National Forest, Mitchell County, North Carolina 2
Alan Cressler:
Abies fraseri, with Uredinopsis americana, Round Bald, Pisgah National Forest, Mitchell County, North Carolina 1
Alan Cressler:
Abies fraseri, with Uredinopsis americana, Round Bald, Pisgah National Forest, Mitchell County, North Carolina 2
Alan Cressler:
Abies magnifica, Everitt Memorial Highway, Shasta-Trinity National Forest, Siskiyou County, California 2
Alan Cressler:
Acacia koaia, and Korthalsella latissima, Waiakamaii Gulch, Koaia Tree Sanctuary, Kohala Mountains, South Kohala District, Hawaii County, Hawaii 1
Alan Cressler:
Acacia pinetorum, Frost, Long Pine Key, Everglades National Park, Miami-Dade County, Florida 1
Alan Cressler:
Acer grandidentatum, Garden Canyon, Huachuca Mountains, Fort Huachuca, U.S. Army, Cochise County, Arizona 2
Alan Cressler:
Acer grandidentatum, Garden Canyon, Huachuca Mountains, Fort Huachuca, U.S. Army, Cochise County, Arizona 3
Alan Cressler:
Acer grandidentatum, Sabinal River, Sabinal Canyon, Lost Maples State Natural Area, Bandera County, Texas 1
Alan Cressler:
Acer macrophyllum, Wallace River, Wallace Falls State Park, Snohomish County, Washington 1
Alan Cressler:
Acer rubrum, and Tillandsia usneoides, Butler Creek, Phinizy Swamp Nature Preserve, Augusta-Richmond County, Georgia 2
Alan Cressler:
Adelges tsugae, on Tsuga canadensis, Laurel Fork Gorge, Pond Mountain Wilderness, Cherokee National Forest, Carter County, Tennessee 1
Alan Cressler:
Aesculus sylvatica, Stone Mountain, DeKalb County, Deorgia 1
Alan Cressler:
Agathis australis, Tane Mahuta, Waipoua Forest Sanctuary, Kaipara District, Northland, New Zealand, Paul Aughey 1
Alan Cressler:
Agathis australis, Tane Mahuta, Waipoua Forest Sanctuary, Kaipara District, Northland, New Zealand, Paul Aughey 2
Alan Cressler:
Agathis australis, Te Matua Ngahere, Waipoua Forest Sanctuary, Kaipara District, Northland, New Zealand, Paul Aughey 1
Alan Cressler:
Agathis australis, old growth, Trounson Kauri Walk, Trounson Kauri Park Scenic Reserve, Kaipara District, Northland, New Zealand 1
Alan Cressler:
Agathis australis, old growth, Trounson Kauri Walk, Trounson Kauri Park Scenic Reserve, Kaipara District, Northland, New Zealand, Alan Cressler 1
Alan Cressler:
Agathis australis, old growth, Trounson Kauri Walk, Trounson Kauri Park Scenic Reserve, Kaipara District, Northland, New Zealand, Paul Aughey 1
Alan Cressler:
Alan Cressler, Cloud Forest, Sendero Roble, Reserva Biológica Bosque Nuboso Monteverde, Monteverde, Provincia de Puntarenas, Costa Rica 1
Alan Cressler:
Alnus maritima subsp. georgiensis, Bartow County, Georgia 2
Alan Cressler:
Alnus maritima subsp. georgiensis, Bartow County, Georgia 5
Alan Cressler:
Alnus serrulata, Pumpkinviine Creek, Bartow County, Georgia 1
Alan Cressler:
Alnus serrulata, Tribble Mill County Park, Gwinnett County, Georgia 1
Alan Cressler:
Alnus viridis, Jane Bald, Pisgah National Forest, Mitchell County, North Carolina 1
Alan Cressler:
Alnus viridis, Jane Bald, Pisgah National Forest, Mitchell County, North Carolina 2
Alan Cressler:
Alnus viridis, Jane Bald, Pisgah National Forest, Mitchell County, North Carolina 3
