Harvard University Herbaria & Libraries

Euphorbiaceae
GH: 00246714 Croton capitatus lindheimeri (Engelmann & A. Gray) Müller Argoviensis Mexico: Veracruz ca. 6 mi. SE of Tecolutla G. L. Webster & G. J. Breckon 15444 1969-6-25
GH: 00246714 Croton heptalon (Kuntze) B. van Ee & P.E. Berry Mexico: Veracruz ca. 6 mi. SE of Tecolutla G. L. Webster & G. J. Breckon 15444 1969-6-25
GH: 00246714 Croton muelleri J. M. Coulter Mexico: Veracruz ca. 6 mi. SE of Tecolutla G. L. Webster & G. J. Breckon 15444 1969-6-25
Piperaceae
GH: 01984667 Peperomia sp. Mexico: Oaxaca Along rd. betw. Ixtlán and Valle Nacional, ... G. L. Webster & G. J. Breckon 15356 1969-6-20
GH: 01979559 Piper auritum Kunth Mexico: Puebla Along rd. to Tlapacoyan, ca. 5 mi. by rd. NE... G. L. Webster & G. J. Breckon 15458 1969-6-25
GH: 01965253 Piper sp. Mexico: Oaxaca Along rd. betw. Ixtlán and Valle Nacional, ... G. L. Webster & G. J. Breckon 15349 1969-6-20
GH: 01965284 Piper sp. Mexico: Veracruz 3.7 mi. S of Sontecomapan G. L. Webster & G. J. Breckon 15421 1969-6-22