Evolution of the Galium multiflorum complex in western North America. II. Critical taxonomic revision Lauramay T. DempsterFriedrich Ehrendorfer OriginalPaper Pages: 289 - 334
Numerical analyses of Cespitose Zinnias Morris W. KatzAndrew M. Torres OriginalPaper Pages: 335 - 349
Piqueriopsis, a new genus of compositae from Southwestern Mexico R. M. King OriginalPaper Pages: 352 - 353
The role of 2-needle fascicles in the adaptation and evolution of ponderosa pine J. R. Haller OriginalPaper Pages: 354 - 382
A new species of Fremontodendron (Sterculiaceae) from the Sierra Nevada foothills, California Robert M. Lloyd OriginalPaper Pages: 382 - 384