Northern California Botanists:
Presenter Biographies
Carol Witham has been studying vernal pool ecosystems for over 15 years.
She recently served as lead taxonomist in a state-wide research project
intended to classify vernal pool vegetation. She was the proceedings editor
of Ecology, Conservation, and Management of Vernal
Pool Ecosystems, 1996.
Jennifer Buck has a MS degree from UC Davis in Plant Biology and currently
works for the Vegetation Program for CNPS. Until fairly recently, she worked
for The Nature Conservancy at the Cosumnes River Preserve. As an ecologist,
Jennifer studies vegetation dynamics of vernal pool grasslands, floodplains,
and riparian forests. Her favorite plant is Centunculus
minimus.
John Dittes is a consulting biologist with a specialty
in botany, vegetation and wetland ecology. He received a B.A. in Biology
from CSU, Northridge in 1989 and has since lived in Northern California .
John has worked with CSU, Chico, the United States Forest Service, and Jones & Stokes.
For the last seven years he has co-operated Dittes & Guardino Consulting with
his wife Josephine. He has worked on projects for private landowners, government
agencies, and conservation organizations throughout California and the western
United States. These projects have involved special-status species surveys, floristic
inventories, monitoring of rare plant populations and wetlands, wetland
delineations, vegetation mapping, conservation easement documentation reports,
and regional conservation planning. For the last 11 years, John has independently
presented a series of plant identification workshops for the CSU, Chico Biological
Sciences Herbarium, including Introductory Flowering Plant Identification
using the Jepson Manual, Plants of Vernal Pools and Seasonal Wetlands, Northern
California Grasses (Poaceae), Sunflowers (Asteraceae), and the Pea Family
(Fabaceae). John is an active member of the Mt. Lassen Chapter of CNPS and
for more than five years has lead field-trips, given presentations, and served
as co-chair for rare plants and programs.
Dennis Martinez is the Co-chair of the Indigenous Peoples'
Restoration Network (IPRN) and serves as the Co-director of Takelma Intertribal
Project (TIP).
Don Hankins is professor of geography at California State
University, Chico. He received a PhD in Geography from UC Davis in 2005.
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