ambrosia chamissonis fruit - ventura coast - 071422

angiosperms eudicots asterids asterales asteraceae sunflower family silver beachweed bur ragweed burr ambrosia chamissonis wild perennial herb deciduous monoecious green tan fruit cypsela casing reproduction seed indehiscent pericarp exocarp california botanical biology conservation vegetation tranquility ventura county coast point mugu maritime sage scrub chaparral ecosystem nature indigenous native plants peaceful environment biodiversity botany natural beauty summer flora scenic hiking