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Alameda thistle
Plate 1 of 3. (c) David Hofmann, some rights reserved (CC BY-NC-ND) · via iNaturalist

Alameda thistle

Cirsium quercetorum

Cirsium quercetorum is a species of thistle endemic to coastal California, its common names include brownie thistle and Alameda thistle.

Continue reading on Wikipedia

From the article Cirsium quercetorum on Wikipedia (CC BY-SA), quoted section by section

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Description

The perennial Cirsium quercetorum plant usually grows clumped low to the ground, less than 20 cm (8 inches) tall, but occasionally the plant grows erect and can reach 90 cm (36 inches) in height. It has spiny lobed toothy leaves and spiny flower heads with brownish ivory-tan white to purple disc florets but no ray florets.

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Range & habitat

Cirsium quercetorum is endemic to the Outer California Coast Ranges from Santa Barbara's Point Conception north into the San Francisco Bay Area and up the North Coast as far as Humboldt County. This is a common plant found in coastal grasslands and open woodlands.

Wikipedia: “Distribution”

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Cirsium quercetorum in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 60954.