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Bull Thistle

Cirsium vulgare

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33.025, -117.01

Field Notes

Description:

Sharp, spiks on margins over entire plant. It has one purple, effusive flower head.

Habitat:

Oak forest at Blue Sky Ecological Reserve. This plant is from Europe and is not native to California.

Notes:

"The California Invasive Plant Council (Cal-IPC) lists plants that cause serious problems in native ecosystems. Cal-IPC classifies the statewide impact of Cirsium vulgare as moderate (plant profile). " - Wikipedia

Reference Links:

Cirsium vulgare

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Spotted for Missions

Blue & Purple Holland (482km radius)
Mission
Flowers of North America
Mission
Southern California Wildlife

Tags

Photographed
PublishedMarch 23, 2012

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