• California Native Plant Society

• Rancho Santa Ana Botanic Garden

• Biodiversity Hotspots: California Floristic Province

• Friends of the Northern San Jacinto Valley

• Southern California Chaparral Field Institute

• Wildflower Status Report by Carol Leigh

• Southwestern Riverside County Multi-Species Reserve

• CalFlora

• ucjeps.berkeley.edu University and Jepson Herbaria, University of California, Berkeley
  

• Native and Introduced Plants of Southern California by Tom Chester
  

• Lichens Collection Database at the UCR Herbarium

• The MossCam Project Need more excitement in your life? Watch moss grow!
  

• BioHere.com Share your species lists and photos

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Weeds

• California Invasive Plant Council

• Southern California Don't Plant a Pest by the California Invasive Plant Council

• EncycloWeedia

• WERC Invasive Species Research

• Pictures of non-native plants by Rolf Muertter

• Is Native-plant Gardening Linked to Fascism?

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Native Plant Horticulture

• Rancho Santa Ana Botanic Garden - Horticulture

• California Native Plants Garden Hotline

• Southern California Don't Plant a Pest by the California Invasive Plant Council

• www.bewaterwise.com

• Growing Native

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Plant Photography

• CNPS Plant Photography Program

• Slide Shows by Rolf Muertter

• Rare Plant Pictures by Rolf Muertter

• Nature Photography by Lara Hartley

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Fire Ecology

• Fires, Humans, Exotics, and Native Plants in Southern California (2004)
  Article for The Encelia by Rolf Muertter (illustrated version)

• Fire History in Southern California's Shrublands and Forests (2003)

• CNPS Policy on Seeding After Wildfire (1995)

• CNPS San Diego: Fire Recovery (2003)

• California Coastal Commission: Natural History of Fire & Flood Cycles (1995)

• Ashes To Wildflowers (2003)

• USGS Western Ecological Research Center: Fire Ecology Research (2003)

• Tree of Life Nursery Wildfire Information (2003)
  Here are some thoughts on land management, especially regarding seeding or planting after a fire ...

• Las Pilitas Nursery: What to do after your hillside has burned (2003)

• Why California Must Burn Fire ecology is bad news for sprawl (2004)

• WERC - Jon Keeley

• Richard Minnich and Fire Ecology (1999)

• Fire in Southern California's Endangered Ecosystems (1993)