Aspleniaceae GH: 02068291 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: West Virginia 13 miles west of Romney, 1 1/2 miles east of... R. M. Tryon & A. F. Tryon 5702 1961-8-19
Droseraceae GH: 01973753 Drosera sp. South Africa: Ca. 5 miles nw. of George. R. M. Tryon & A. F. Tryon 6372 1963-10-2
GH: 01973749 Drosera trinervia Sprengel South Africa: Cape Peninsula, 5 miles se. of Simons-town. R. M. Tryon & A. F. Tryon 6339 1963-9-20
GH: 01973748 Drosera trinervia Sprengel South Africa: Cape of Good Hope Province Cape Town: East side of Friendship Pass, ca.... R. M. Tryon & A. F. Tryon 6311 1963-9-16
Orchidaceae AMES: 01945093 Habenaria bracteosa Hochstetter ex A. Richard Cameroon: Northeast side of the mountain, along road t... R. M. Tryon & A. F. Tryon 6499 1963-10-30
AMES: 01945092 Habenaria bracteosa Hochstetter ex A. Richard Cameroon: Northeast side of the mountain, along road t... R. M. Tryon & A. F. Tryon 6499 1963-10-30
AMES: 02125486 Laelia rupestris Lindley Brazil: Minas Gerais Planalto of Serra do Cipó (a portion of Ser... R. M. Tryon & A. F. Tryon 6781 1965-11-21
AMES: 02125485 Laelia rupestris Lindley Brazil: Minas Gerais Planalto of Serra do Cipó (a portion of Ser... R. M. Tryon & A. F. Tryon 6832 1965-11-23
GH: 02125484 Laelia rupestris Lindley Brazil: Minas Gerais Planalto of Serra do Cipó (a portion of Ser... R. M. Tryon & A. F. Tryon 6832 1965-11-23
AMES: 01943740 Manniella gustavi H. G. Reichenbach Cameroon: Buea. R. M. Tryon & A. F. Tryon 6485 1963-10-28
AMES: 01943741 Manniella gustavi H. G. Reichenbach Cameroon: Buea. R. M. Tryon & A. F. Tryon 6485 1963-10-28
AMES: 02389126 Polystachya sp. Cameroon: Cameroon Mountain; Northeast side of the mou... R. M. Tryon & A. F. Tryon 6502 1963-10-30
AMES: 02389125 Polystachya sp. Cameroon: Cameroon Mountain; Northeast side of the mou... R. M. Tryon & A. F. Tryon 6502 1963-10-30
Piperaceae GH: 01979811 Piper friedrichsthalii C. de Candolle Costa Rica: Cartago Valley of the Río Grande del Orosi, Tapanti... R. M. Tryon & A. F. Tryon 7105 1970-12-21
Selaginellaceae GH: 02075142 Selaginella arenicola riddellii (Van Eseltine) R. M. Tryon USA: Texas 15 miles north of Fredericksburg on road 16 R. M. Tryon & A. F. Tryon 5030 1950-6-27
GH: 02075173 Selaginella arizonica Maxon USA: Arizona Sabino Canyon, Santa Catalina Mountains 10 m... R. M. Tryon & A. F. Tryon 5052 1950-7-10
GH: 02075180 Selaginella arizonica Maxon USA: Texas Canyon along the south rim of the Basin, Chi... R. M. Tryon & A. F. Tryon 5080 1950-7-2
GH: 02075505 Selaginella mutica D. C. Eaton ex Underwood USA: Texas West side of Sawtooth Mountain, about 25 mil... R. M. Tryon & A. F. Tryon 5083 1950-7-4
GH: 02075597 Selaginella peruviana (Milde) Hieronymus USA: Texas West side of Sawtooth Mountain, about 25 mil... R. M. Tryon & A. F. Tryon 5082 1950-7-4
GH: 02075596 Selaginella peruviana (Milde) Hieronymus USA: Texas Inks Lake State Park, 8 miles west of Burnet R. M. Tryon & A. F. Tryon 5032 1950-6-27
GH: 02075834 Selaginella rupincola Underwood USA: Arizona About 3 miles from the mouth of Sabino Canyo... R. M. Tryon & A. F. Tryon 5051 1950-7-10
GH: 02075837 Selaginella rupincola Underwood USA: Arizona Texas Canyon, 15 miles east of Benson on roa... R. M. Tryon & A. F. Tryon 5050 1950-7-9
GH: 02074073 Selaginella underwoodii Hieronymus USA: Colorado 2 miles northwest of Manitou Springs on road... R. M. Tryon & A. F. Tryon 5076 1950-7-28
GH: 02074081 Selaginella underwoodii Hieronymus USA: Colorado s west of Cotopaxi on road 50, 35 miles west... R. M. Tryon & A. F. Tryon 5074 1950-7-27
GH: 02074098 Selaginella underwoodii Hieronymus USA: Texas West side of Sawtooth Mountain, about 25 mil... R. M. Tryon & A. F. Tryon 5084 1950-7-4
GH: 02074104 Selaginella viridissima Weatherby USA: Texas (south side of Pulliam Mt.), opposite the ca... R. M. Tryon & A. F. Tryon 5015 1950-7-1
GH: 02074282 Selaginella weatherbiana R. M. Tryon USA: Colorado 2 miles northwest of Manitou Springs on road... R. M. Tryon & A. F. Tryon 5077 1950-7-28
GH: 02074303 Selaginella wrightii Hieronymus USA: Texas Palma Canyon, about 20 miles east on Dryden ... R. M. Tryon & A. F. Tryon 5035 1950-6-29
GH: 02074302 Selaginella wrightii Hieronymus USA: Texas Devils river at the bridge of road 90, about... R. M. Tryon & A. F. Tryon 5034 1950-6-28
GH: 02074299 Selaginella wrightii Hieronymus USA: Texas North facing bluff of Sanderson Canyon, 4 mi... R. M. Tryon & A. F. Tryon 5037 1950-6-29