A Photographic Guide to Plants of
Humboldt Bay Dunes and Wetlands
Compiled by Gordon Leppig and Andrea Pickart
Release 2.0
April 2018
Orobanchaceae
Castilleja ambigua ssp. humboldtiensis
Humboldt Bay owl's-clover
Castilleja exserta ssp. latifolia
Triphysaria eriantha ssp. eriantha
Chloropyron maritimum ssp. palustre
Status: Conservation concern (C); Exotic (E); Invasive (I); California Native (N)
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Habitat: Dune mat (DM), Dune scrub (DS), Dune swale (SW), Coniferous dune forest (CDF), Riparian forest (RF), Freshwater marsh (FM), Freshwater swamp (FS), Freshwater marsh (FM), Open water (OW), Brackish marsh (BM), Salt marsh (SM), Mudflat (MF) Agricultural wetland (AW).
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* This vascular plant list for Humboldt Bay dunes and wetlands is based on collections made by the authors primarily between 2001 and 2008.
Please email comments, corrections, or proposed additions to andrea_pickart@fws.gov.
Nomenclature follows the Jepson Manual, Higher Plants of California, Second edition (U.C. Press 2012).
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