Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2015)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2015)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2015)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2015)

A sixth summary of the Verbenaceae, Avicenniaceae, Stilbaceae, Chloanthaceae, Symphoremaceae, Nyctanthaceae, and Eriocaulaceae of the world as to valid taxa, geographic distribution and synonymy - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.N. Moldenke and A.L. Moldenke, 1980)

A sixth summary of the Verbenaceae, Avicenniaceae, Stilbaceae, Chloanthaceae, Symphoremaceae, Nyctanthaceae, and Eriocaulaceae of the world as to valid taxa, geographic distribution and synonymy - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.N. Moldenke and A.L. Moldenke, 1980)

The University of Texas herbaria : type register - Todzia, Carol A., 1955 - (Plant Resources Center, Dept. of Botany, University of Texas, 1994)