Alan Cressler: Archilestes grandis (male), Devils River State Natural Area, Val Verde County, Texas 1
Alan Cressler: Ascalapha odorata, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Blue Spring, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Blue Spring, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 2
Alan Cressler: Blue Spring, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 3
Alan Cressler: Blue Spring, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 4
Alan Cressler: Blue Spring, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 5
Alan Cressler: Blue Spring, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 6
Alan Cressler: Bryodesma wrightii, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Centruroides vittatus, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Cicindelidia politula politula, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Coprinellus disseminatus, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Croton incanus, Devils River State Natural Area, Val Verde County, Texas 1
Alan Cressler: Croton incanus, Devils River State Natural Area, Val Verde County, Texas 2
Alan Cressler: Darapsa myron mexicana (possible subspecies), Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Datura wrightii, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Devils River, Dolan Falls Preserve, The Nature Conservancy, and Devils River State Natural Area, Val Verde County, Texas 1
Alan Cressler: Devils River, Dolan Falls Preserve, The Nature Conservancy, and Devils River State Natural Area, Val Verde County, Texas 2
Alan Cressler: Devils River, Dolan Falls Preserve, The Nature Conservancy, and Devils River State Natural Area, Val Verde County, Texas 3
Alan Cressler: Devils River, Dolan Falls Preserve, The Nature Conservancy, and Devils River State Natural Area, Val Verde County, Texas 4
Alan Cressler: Devils River, Dolan Falls Preserve, The Nature Conservancy, and Devils River State Natural Area, Val Verde County, Texas 5
Alan Cressler: Devils River, Dolan Falls Preserve, The Nature Conservancy, and Devils River State Natural Area, Val Verde County, Texas 6
Alan Cressler: Devils River, Dolan Falls Preserve, The Nature Conservancy, and Devils River State Natural Area, Val Verde County, Texas 7
Alan Cressler: Devils River, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Devils River, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 2
Alan Cressler: Dolan Falls, Devils River, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Dromogomphus spoliatus, Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Epicauta nigritarsis (possible identification), Dolan Falls Preserve, The Nature Conservancy, Val Verde County, Texas 1
Alan Cressler: Fennigan Springs, Devils River Canyon, Devils River State Natural Area, Val Verde County, Texas 1
Alan Cressler: Fennigan Springs, Devils River Canyon, Devils River State Natural Area, Val Verde County, Texas 2