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December 30, 2020

Collinsia tinctoria

Iodine Collinsia

Iodine collinsia (Collinsia tinctoria) is ranked A1, signifying the highest level of concern for an unusual (locally rare) plant in Alameda and Contra Costa counties. Photo by Dianne Lake.

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  • Improving the Way We Assess Rarity in the Unusual Plants Project

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    East Bay Native Plant Species

    Family: Plantaginaceae

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