Volume 16, Issue 1 (1997)
This issue of Volume 16 was published 17th November, 1997.Front Matter
Articles
The Euphorbiaceae of Sonora, Mexico
Victor W. Steinmann and Richard S. Felger
Vegetative Proliferation in Polypogon Monspeliensis (Gramineae)
Eric H. Roalson and Kelly W. Allred