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Milk Thistle
Silybum marianum
37.83, -122.52
Field Notes
Description:
Silybum marianum, colloquially identified as Carduus marianus, known as milk thistle, is an annual or biannual plant of the Asteraceae family. This fairly typical thistle has red to purple flowers and shiny pale green leaves with white veins. Originally a native of Southern Europe through to Asia, it is now found throughout the world. The medicinal parts of the plant are the ripe seeds. Common names for this species include blessed milk thistle, Marian Thistle, Mary Thistle, Saint Mary's Thistle, Mediterranean Milk Thistle, Variegated Thistle and Scotch Thistle.
Wikipedia
Habitat:
In grass along hiking trail in the Marin Headlands, CA.
Species ID Suggestions
Spotted for Missions
Photographed
PublishedMarch 17, 2012
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