Asteraceae GH: 00007359 Eupatorium reticuliferum Standley & L. O. Williams Costa Rica: Cartago Cordillera de Talamanca, Cerro de las Vuelta... L. O. Williams 16103 1949-3-30
Bromeliaceae GH: 02546277 Catopsis hahnii Baker Honduras: Francisco Morazán forest neat Piedra Herrada, Draingage of the... L. O. Williams 15993 1949-9-11
GH: 01817388 Tillandsia butzii Mez Honduras: Francisco Morazán near Piedra Herrada, drainage of the Río Ye... L. O. Williams 15996 1949-9-11
Campanulaceae GH: 00460032 Diastatea costaricensis McVaugh Honduras: on the west slope of Mt. Uyuca, Drainage of ... L. O. Williams 17045 1949-12-29
Cyperaceae GH: 02467403 Eleocharis retroflexa (Poiret) Urban Honduras: Francisco Morazán in quebrada above Jicarito, Drainage of the ... L. O. Williams 16980 1949-10-18
GH: 02467379 Eleocharis retroflexa (Poiret) Urban Honduras: Francisco Morazán along La Chorrera near Zamorano, Drainage of... L. O. Williams 16989 1949-10-23
Orchidaceae GH: 02173444 Barbosella geminata Luer Costa Rica: Cartago near El Copey, Cordillera de Talamanca L. O. Williams 16369 1949-4-17
GH: 02111607 Epidendrum ramosum Jacquin El Salvador: Morazán on Mt. Uyuca; Drainage of the Río Yaguare L. O. Williams 16848 1949-9-20
GH: 02111871 Epidendrum rugosum Ames Costa Rica: Cartago near El Copey in Cordillera de Talamanca L. O. Williams 16370 1949-4-17
AMES: 02110017 Epidendrum selaginella Schlechter Costa Rica: Cartago near El Copey in edge; Cordillera de Talaman... L. O. Williams 16376 1949-4-17
AMES: 02162773 Lepanthes barbae Schlechter Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 16648 1949-5-1
AMES: 02162773 Lepanthes blepharistes H. G. Reichenbach Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 16648 1949-5-1
AMES: 02162829 Lepanthes edwardsii Ames Costa Rica: Heredia slopes of Volcán Poás, near Los Cartagos L. O. Williams 16593 1949-5-1
AMES: 02162946 Lepanthes lindleyana Oersted ex H. G. Reichenbach Costa Rica: Alajuela slopes of Volcán Poás near Los Cartagos L. O. Williams 16594 1949-5-1
AMES: 02162901 Lepanthes microglottis Schlechter Costa Rica: Cartago slopes of Cerro de la Muerte, 7 Kms. south o... L. O. Williams 16288 1949-4-10
AMES: 02162900 Lepanthes microglottis Schlechter Costa Rica: Cartago slopes of Cerro de la Muerte, 7 Kms. south o... L. O. Williams 16289 1949-4-10
AMES: 02162899 Lepanthes microglottis Schlechter Costa Rica: Cartago Cerro de las Vuelta, near El Copey, Cordille... L. O. Williams 16130 1949-3-30
AMES: 02162901 Lepanthes minutilabia Ames & C. Schweinfurth Costa Rica: Cartago slopes of Cerro de la Muerte, 7 Kms. south o... L. O. Williams 16288 1949-4-10
AMES: 02162900 Lepanthes minutilabia Ames & C. Schweinfurth Costa Rica: Cartago slopes of Cerro de la Muerte, 7 Kms. south o... L. O. Williams 16289 1949-4-10
AMES: 02162899 Lepanthes minutilabia Ames & C. Schweinfurth Costa Rica: Cartago Cerro de las Vuelta, near El Copey, Cordille... L. O. Williams 16130 1949-3-30
AMES: 02162980 Lepanthes tipulifera H. G. Reichenbach Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 16631 1949-5-1
AMES: 02162986 Lepanthes turialvae H. G. Reichenbach Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 16637 1949-5-1
AMES: 02151497 Pleurothallis broadwayi Ames Costa Rica: Cartago near El Copey in edge of Cloud forest area, ... L. O. Williams 16373 1949-4-17
AMES: 02151496 Pleurothallis broadwayi Ames Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 16665 1949-5-1
GH: 02151743 Pleurothallis dolichopus Schlechter Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 16624 1949-5-1
AMES: 02152500 Pleurothallis segoviensis H. G. Reichenbach Costa Rica: Heredia Río Saripiquí below San Miguel L. O. Williams 16330 1949-4-12
GH: 02152685 Pleurothallis tuerckheimii Schlechter Costa Rica: Alajuela slopes of Volcán Poás near Los Cartagos L. O. Williams 16595 1949-5-1
AMES: 02152711 Pleurothallis turrialbae Luer Costa Rica: Heredia Río Saripiquí near Cariblanco L. O. Williams 16440 1949-4-19
GH: 02154603 Scaphyglottis acostae (Schlechter) C. Schweinfurth Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 16651 1949-5-1
GH: 02154729 Scaphyglottis crurigera (Lindley) Ames & Correll Costa Rica: Limón Rio Pacuare L. O. Williams 16224a 1949-4-7
AMES: 02089265 Stelis cucullata Ames Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 1949-5-1
AMES: 02089479 Stelis parvula Lindley Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 16654 1949-5-1
AMES: 02089550 Stelis parvula Lindley Costa Rica: Cartago near El [Copey] in edge of cloud forest area... L. O. Williams 16377 1949-4-17
AMES: 02089758 Stelis thecoglossa H. G. Reichenbach Costa Rica: Alajuela in open cloud forest area, Finca Poesita, Sl... L. O. Williams 16638 1949-5-1
AMES: 02173289 Trichosalpinx carinilabia (Luer) Luer Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams 16652 1949-5-1
Piperaceae GH: 01983996 Peperomia caespitosa C. de Candolle Honduras: El Paraíso on Montañuela de Los Arados about 3 Kms. so... L. O. Williams 15758 1949-5-15
GH: 01984086 Peperomia dotana Trelease Costa Rica: Cartago Near El Copey, Cordillera de Talamanca L. O. Williams 16402 1949-4-17
GH: 01984688 Peperomia sp. Honduras: Mt. Uyuca, Drainage of the Río Yeguare, Dep... L. O. Williams 15784 1949-5-21
GH: 01979774 Piper epilosipes Trelease Honduras: on Mt. Uyuca, Drainage of the Río Yeguare, ... L. O. Williams 15780 1949-5-21
Rubiaceae GH: 00094828 Palicourea talamancana Standley & L. O. Williams Costa Rica: Cartago Cordillera de Talamanca, Cerro de las Vuelta... L. O. Williams 16264 1949-4-10
