San Bernardino Mountains, August 24, 2003
Tamarisk Removal
Santa Rosa Mountains, November 15, 2003
Dos Palmas Reserve and Salton Sea NWR, January 25, 2004
Colorado Desert
Corn Springs and Bradshaw Trail, March 22-24, 2004
Joshua Tree NP, April 23-25, 2004
Mt. San Jacinto SP, June 12, 2004
Tamarisk Removal
Palm Desert, October 16, 2004
Lichen and Mosses at Lake Skinner
December 18, 2004
Mission Creek Preserve
January 1, 2005
Granite Mountains, March 21-25, 2005
Joshua Tree NP, April 22-24, 2005
Bluff Lake
July 16, 2005
Joshua Tree NP, September 22-24, 2005
Colorado Desert, November 28-30, 2006
Non-native plants in California
Rare plants in California