Harvard University Herbaria & Libraries

Cactaceae
GH: 01677784 Rhipsalis cassutha Gaertner Guatemala: Alta Verapaz [illegible] H. Johnson 223 1920-6-15
Orchidaceae
AMES: 01947553 Habenaria pringlei B. L. Robinson Guatemala: Jocoló. H. Johnson 1001 1920-11-25
AMES: 00090433 Oncidium johannis Schlechter Guatemala: Alta Verapaz Vicinity of Coban, Sa-Nim-Ta-Kah H. Johnson 881 1920-10-18
AMES: 00085619 Oncidium johannis Schlechter Guatemala: Alta Verapaz Vicinity of Coban, Sa-Nim-Ta-Kah H. Johnson 881 1920-10-18
AMES: 00074369 Pleurothallis johnsonii Ames Guatemala: Alta Verapaz Road Chama to Cobán H. Johnson 901 1920-8-15
AMES: 00083369 Pleurothallis johnsonii Ames Guatemala: Alta Verapaz Road Chama to Cobán H. Johnson 901 1920-8-15
AMES: 00074595 Pleurothallis pedicellaris Schlechter Guatemala: Alta Verapaz Cobán: Cemetery Calvacia, 4350 ft altitude H. Johnson 550 1920-8
AMES: 00074596 Pleurothallis pedicellaris Schlechter Guatemala: Alta Verapaz Cobán: 4000 ft altitude H. Johnson 652 1920-9
AMES: 00074713 Pleurothallis samacensis Ames Guatemala: Alta Verapaz Cobán: Samac H. Johnson 765 1920-10-20
AMES: 00083450 Pleurothallis samacensis Ames Guatemala: Alta Verapaz Cobán: Samac H. Johnson 765 1920-10-20
AMES: 02089581 Stelis purpurascens A. Richard & Galeotti Guatemala: Alta Verapaz Chamá H. Johnson 240 1920-6-15
Piperaceae
GH: 01980933 Piper tuberculatum Jacquin Guatemala: Alta Verapaz Chamá H. Johnson 188 1920-5-29