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Cobwebby Thistle (Cirsium occidentale)

The cobwebby thistle or cobweb thistle (Cirsium occidentale) is a California-native plant which is mostly endemic to the state (extending slightly into Oregon and Baja California). Its leaves are coated with fine white hairs which resemble spider webs; hence the common name.


Cobwebby thistle (Cirsium occidentale). Point Reyes National Seashore, Marin County, California, USA.
PLA0650

Next Plant: Common woolly sunflower (Eriophyllum lanatum var. integrifolium)



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All images copyright Timothy Boomer. All rights reserved worldwide.