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Ferns and Horsetails of San Mateo County

smooth horsetail 1
Equisetum laevigatum
western scouringrush 2
Equisetum hyemale affine

Edited by Donna Pomeroy, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Matt Lavin, some rights reserved (CC BY-SA)
  • 2. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)

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