Kathi Keville and Nancy Harnach
Nancy and Bill Harnach
Sierra Valley Herbarium
PO Box 28
Calpine , California , 96124 USA


Nancy and Bill Harnach live in Sierra Valley and have studied and collected the plants of this region for over 25 years.

They have authored the Sierra Valley and Butterfly Valley sections of the California Native Plant Society book “California’s Wild Gardens, A Living Legacy” and led numerous field trips for both the California Native Plant Society and the Nevada Native Plant Society throughout the region.

In 2008 they led the Jepson Herbarium Workshop on “The Flora of the Sierra Valley”.