Apocynaceae GH: 02383316 Rauvolfia tetraphylla Linnaeus El Salvador: San Salvador Slopes near lake Ilopango near Apulo L. O. Williams & A. Molina Rossito 16760 1949-6-19
GH: 02375301 Tabernaemontana amygdalifolia Jacquin El Salvador: San Salvador Slopes near Lake Ilopango near Apulo L. O. Williams & A. Molina Rossito 16754 1949-6-19
Araceae GH: 01635119 Anthurium scandens pusillum Sheffer Honduras: Mt. Uyuca, Drainage of the Río Yeguare; dep... L. O. Williams & A. Molina Rossito 14933 1949-1-2
Celastraceae GH: 00049833 Maytenus williamsii Ant. Molina Honduras: Mountains above San Juancito, Departamento M... L. O. Williams & A. Molina Rossito 15640 1949-2-22
Dryopteridaceae GH: 01005574 Dryopteris karwinskyana (Mettenius) Kuntze Honduras: along Santa Clara Creek; Drainage of the Rio... L. O. Williams & A. Molina Rossito 15840 1949-8-6
Fabaceae GH: 00065736 Lonchocarpus trifolius Standley & L. O. Williams Honduras: Francisco Morazán drainage of the Río Yeguare, along Santa Cl... L. O. Williams & A. Molina Rossito 15859 1949-8-6
Fagaceae GH: 01219054 Quercus acutifolia Née Guatemala: Jalapa mountains about 20 Kms, south of Jalapa L. O. Williams & A. Molina Rossito 15550 1949-2-13
Lauraceae GH: 00102183 Persea americana nubigena (L. O. Williams) Kopp Guatemala: Chimaltenango Cerro Chichoy near Chichoy, cloud forest alo... L. O. Williams & A. Molina Rossito 16833 1949-7-6
GH: 00102183 Persea nubigena L. O. Williams Guatemala: Chimaltenango Cerro Chichoy near Chichoy, cloud forest alo... L. O. Williams & A. Molina Rossito 16833 1949-7-6
Moraceae GH: 00312205 Ficus maxima Miller Honduras: Francisco Morazán Drainage of the rio Yeguate, at about Longit... L. O. Williams & A. Molina Rossito 1949-11
Orchidaceae AMES: 02162813 Lepanthes ciliisepala Schlechter Costa Rica: Alajuela Finca Poasita, slopes of Volcán Poás L. O. Williams & A. Molina Rossito 16643 1949-5-1
GH: 02089480 Stelis parvula Lindley Honduras: Drainage of the Río Yeguare, Department of ... L. O. Williams & A. Molina Rossito 1949-5-21
Piperaceae GH: 01983023 Lepianthes umbellata (Linnaeus) Rafinesque ex Ramamoorthy Honduras: above Jicarito, Drainage of the Río Yeguare L. O. Williams & A. Molina Rossito 16964 1949-10-18
GH: 01984013 Peperomia condormiens Trelease Guatemala: Jalapa Sierra de Las Nubes L. O. Williams & A. Molina Rossito 15536 1949-2-13
GH: 01984015 Peperomia condormiens Trelease Honduras: Mountains above San Juancito L. O. Williams & A. Molina Rossito 15651 1949-2-22
GH: 01979360 Piper amalago Linnaeus El Salvador: La Libertad Hills about 5 Kms. south of Santa Tecla L. O. Williams & A. Molina Rossito 15078 1949-1-15
GH: 01980111 Piper jacquemontianum Kunth El Salvador: La Libertad Hills about 5 Kms. south of Santa Tecla L. O. Williams & A. Molina Rossito 15081 1949-1-15
GH: 01980521 Piper papantlense C. de Candolle El Salvador: La Libertad near Colón L. O. Williams & A. Molina Rossito 15191 1949-1-21
GH: 01980541 Piper papantlense C. de Candolle El Salvador: La Libertad above Colón L. O. Williams & A. Molina Rossito 16773 1949-6-19
GH: 01980807 Piper scalarispicum Trelease Honduras: On Mt. Uyuca, Drainage of the Rio Yeguare, D... L. O. Williams & A. Molina Rossito 14951 1949-1-4
GH: 01965180 Piper sp. Honduras: along Santa Clara Creek, Drainage of the Rí... L. O. Williams & A. Molina Rossito 15868 1949-8-6
GH: 01965230 Piper sp. Honduras: on Mt. Uyuca, Drainage of the Río Yeguare, ... L. O. Williams & A. Molina Rossito 14953 1949-1-4
GH: 01965022 Piper uhdei C. de Candolle Honduras: on Mt. Uyuca, Drainage of the Río Yeguare, ... L. O. Williams & A. Molina Rossito 14952 1949-1-4
Poaceae GH: 02465612 Zeugites munroanus Hemsley Guatemala: Cerro Chichoy near Chichoy, where department... L. O. Williams & A. Molina Rossito 15369 1949-1-26
Ranunculaceae GH: 01163251 Ranunculus petiolaris standleyi (L. D. Benson) T. Duncan Guatemala: [data not captured] L. O. Williams & A. Molina Rossito 16814 1949-7-6
Rhamnaceae GH: 00273973 Ziziphus guatemalensis Hemsley El Salvador: La Unión near Amatillo L. O. Williams & A. Molina Rossito 16726 1949-6-16
Rutaceae GH: 01090148 Zanthoxylum harmsianum (Loesener) P. Wilson Guatemala: [data not captured] L. O. Williams & A. Molina Rossito 15408 1949-1-26
GH: 01090147 Zanthoxylum harmsianum (Loesener) P. Wilson Guatemala: [data not captured] L. O. Williams & A. Molina Rossito 16819 1949-7-6
GH: 01090148 Zanthoxylum hirsutum Buckley Guatemala: [data not captured] L. O. Williams & A. Molina Rossito 15408 1949-1-26
GH: 01090147 Zanthoxylum hirsutum Buckley Guatemala: [data not captured] L. O. Williams & A. Molina Rossito 16819 1949-7-6
Verbenaceae GH: 02269622 Bouchea prismatica (Linnaeus) Kuntze Honduras: Francisco Morazán Along Santa Clara Creek L. O. Williams & A. Molina Rossito 15871 1949-8-6