Warren L. Wagner, Stephen G. Weller, Ann Sakai

American Society of Plant Taxonomists 2005 Systematic botany monographs v. 72

Warren L. Wagner, Derral R. Herbst, S.H. Sohmer ; Yevonn Wilson-Ramsey, illustrator

University of Hawai'i Press : Bishop Museum Press 1999 Rev. ed Bernice P. Bishop Museum special publication 97

v. 1 , v. 2

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Werner Dietrich, Warren L. Wagner, Peter H. Raven

The American Society of Plant Taxonomists 1997 Systematic botany monographs v. 50

Warren L. Wagner, Robert E. Stockhouse, William M. Klein

Missouri Botanical Garden 1985 Monographs in systematic botany from the Missouri Botanical Garden v. 12

Available at 2 libraries