Lupinus arboreus var.... www.calflora.org

Lupinus eximius Calflora www.calflora.org

Lupinus arboreus var.... www.calflora.org

Lupinus arboreus var.... www.calflora.org

Lupinus arboreus var.... www.calflora.org

CCH2 Portal - Lupinus... www.cch2.org

CCH2 Portal - Lupinus... www.cch2.org

Lupinus arboreus var.... www.calflora.org

Lupinus arboreus var.... www.calflora.org

Lupinus arboreus var.... www.calflora.org

Lupinus arboreus | yellow... wildflowersearch.org

polyploid.net: SW Plants www.polyploid.net

2013 BONAP North American... bonap.net

IPCW Plant Report –... www.cal-ipc.org

World Plants: Plant List www.worldplants.de

World Plants: Plant List www.worldplants.de

IPCW Plant Report –... www.cal-ipc.org

Lupinus arboreus Sims |... powo.science.kew.org

2013 BONAP North American... bonap.net

Lupinus polyphyllus Lindl.... luirig.altervista.org