Marin knotweed

Polygonum marinense

Summary 2

Polygonum marinense is a rare North American species of flowering plants in the buckwheat family known by the common name Marin knotweed. It is endemic to California, where it is known from just a few locations north and east of San Francisco Bay.

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  1. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA),
  2. (c) Wikipedia, some rights reserved (CC BY-SA),

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