A Photographic Guide to Plants of
Humboldt Bay Dunes and Wetlands

Compiled by Gordon Leppig and Andrea Pickart

Release 2.0

April 2018

Asteraceae

Scientific Name

Achillea millefolium

Achillea_millefolium_plant.jpg

Common Name 

common yarrow

Close-up 

Achillea_millefolium_flower5-20-19ap.jpg

Status

N

Habitat

DM, CDF, SW

Achillea_millefolium_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Ambrosia chamissonis

Ambrosia_chamissonis_plant.jpg

Common Name 

beach-bur

Close-up 

Ambrosia_chamissonis_flower.jpg

Status

N

Habitat

DM, DS

Ambrosia_chamissonis_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Anaphalis margaritacea

Anaphalis_margaritacea_plant.jpg

Common Name 

pearly everlasting

Close-up 

Anaphalis_margaritacea_flower.jpg

Status

N

Habitat

CDF, DM, SW

Anaphalis_margaritacea_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Arctotheca calendula

Arctotheca_calendula_plant.jpg

Common Name 

cape weed

Close-up 

Arctotheca_calendula_flower.jpg

Status

E, I

Habitat

CDF,FS

Arctotheca_calendula_habitat.jpg

Occurs

N/A

Other

N/A

Scientific Name

Artemisia pycnocephala

Artemisia_pycnocephala_plant.jpg

Common Name 

coastal sagewort

Close-up 

Artemisia_pycnocephala_image_1.jpg

Status

N

Habitat

DM

Artemisia_pycnocephala_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Baccharis glutinosa

Baccharis_glutinosa_plant.jpg

Common Name 

saltmarsh baccharis

Close-up 

Baccharis_glutinosa_flower.jpg

Status

N

Habitat

BM, FM

Baccharis_glutinosa_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Baccharis pilularis

Baccharis_pilularis_plant.jpg

Common Name 

coyote brush

Close-up 

Baccharis_pilularis_femaleflower.jpg

Status

N

Habitat

DM, AW, BM, FM, FS, RF

Baccharis_pilularis_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Cirsium vulgare

Cirsium_vulgare_plant.jpg

Common Name 

bullthistle

Close-up 

Cirsium_vulgare_fower.jpg

Status

E, I

Habitat

SW, DM, AW, FM

Cirsium_vulgare_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Corethrogyne filaginifolia

Corethrogyne_filaginifolia_plant.jpg

Common Name 

California sand-aster

Close-up 

Corethrogyne_filaginifolia_flower.jpg

Status

N

Habitat

DM

Corethrogyne_filaginifolia_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Cotula coronopifolia

Cotula_coronopifolia_plant.jpg

Common Name 

brass buttons

Close-up 

Cotula_coronopifolia_flower.jpg

Status

E

Habitat

BM, SM

Cotula_coronopifolia_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Erigeron canadensis

Erigeron_canadensis_plant.jpg

Common Name 

Canada horseweed

Close-up 

Erigeron_canadensis_flower.jpg

Status

E, I

Habitat

DM, CDF, AW

Erigeron_canadensis_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Erigeron glaucus

Erigeron_glaucus_plant.jpg

Common Name 

seaside daisy

Close-up 

Erigeron_glaucus_flower.jpg

Status

N

Habitat

DM, DS

Erigeron_glaucus_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Gamochaeta ustulata

Gamochaeta_ustulata_plant.jpg

Common Name 

purple cudweed

Close-up 

Gamochaeta_ustulata_flower.jpg

Status

N

Habitat

DM

Gamochaeta_ustulata_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Gnaphalium palustre

Gnaphalium_palustre_plant.jpg

Common Name 

western marsh cudweed

Close-up 

Gnaphalium_palustre_flower.jpg

Status

N

Habitat

SW, DM, AW

1. No image

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Grindelia stricta

Grindelia_stricta_plant.jpg

Common Name 

coastal gumplant

Close-up 

Grindelia_stricta_flower.jpg

Status

N

Habitat

SM, BM

Grindelia_stricta_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Hesperevax sparsiflora var. brevifolia

Hesperevax_sparsiflora_var_brevifolia_pl

Common Name 

shortleaf dwarf-cudweed

Close-up 

Hesperevax_sparsiflora_flower.jpg

Status

N, C

Habitat

DM

Hesperevax_sparsiflora_habitat.jpg

Occurs

N/A

Other

N/A

Scientific Name

Hieracium albiflorum

Hieracium_albiflorum_plant.jpg

Common Name 

white hawkweed

Close-up 

Hieracium_albiflorum_flower.jpg

Status

N

Habitat

CDF

1. No image

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Hypochaeris glabra

Hypochaeris_glabra_plant.jpg

Common Name 

smooth cat's ear

Close-up 

Hypochaeris_glabra_flower.jpg

Status

E

Habitat

FM, DM, SW

Hypochaeris_glabra_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Hypochaeris radicata

Hypochaeris_radicata_plant.jpg

Common Name 

rough cat's ear

Close-up 

Hypochaeris_radicata_flower.jpg

Status

E

Habitat

DM, CDF, AW

Hypochaeris_radicata_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Jaumea carnosa

Jaumea_carnosa_plant.jpg

Common Name 

marsh jaumea

Close-up 

Jaumea_carnosa_flower.jpg

Status

N

Habitat

SM

Jaumea_carnosa_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Layia carnosa

Layia_carnosa_plant.jpg

Common Name 

beach layia

Close-up 

Layia_carnosa_flower.jpg

Status

N, C

Habitat

DM

Layia_carnosa_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Leontodon saxitilis

Leontodon_saxitilis_plant.jpg

Common Name 

lesser hawkbit

Close-up 

Leontodon_saxitilis_flower.jpg

Status

E, I

Habitat

SW, DM, BM, FM, DS, AW

Leontodon_saxitilis_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Leucanthemum vulgare

Leucanthemum_vulgare_plant.jpg

Common Name 

oxe-eye daisy

Close-up 

Leucanthemum_vulgare_flower.jpg

Status

E, I

Habitat

FM, DM, AW

Leucanthemum_vulgare_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Madia sativa

Madia_sativa_plant.jpg

Common Name 

coast tarweed

Close-up 

Madia_sativa_flower.jpg

Status

N

Habitat

SW, BM, DM

Madia_sativa_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Matricaria discoidea

Matricaria_discoidea_plant.jpg

Common Name 

pineapple weed

Close-up 

Matricaria_discoidea_flower.jpg

Status

E

Habitat

AW, CDF, R

Matricaria_discoides_habitat.jpg

Occurs

HBNWR

Other

N/A

Scientific Name

Pseudognaphalium ramosissimum

Pseudognaphalium_ramosissimum_plant.jpg

Common Name 

pink cudweed

Close-up 

Pseudognaphalium_ramosissimum_flower.jpg

Status

N

Habitat

AW, CDF, R

Pseudognaphalium_ramosissimum_habitat.jp

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Pseudognaphalium stramineum

Pseudognaphalium_stramineum_plant.jpg

Common Name 

cotton-batting plant

Close-up 

Psuedognaphalium_stramineum_flower.jpg

Status

N

Habitat

DM, SW, AW

Pseudognaphalium_stramineum_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Senecio elegans

Senecio_elegans_plant.jpg

Common Name 

purple ragwort

Close-up 

Senecio_elegans_flower.jpg

Status

E, I

Habitat

DM, DS

Senecio_elegans_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Senecio glomeratus

Senecio_glomeratus_plant.jpg

Common Name 

cutleaf burnweed

Close-up 

Senecio_glomeratus_flower.jpg

Status

E, I

Habitat

DM, SW, FM, DS, RF, CDF

Senecio_glomeratus_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Senecio minimus

Senecio_minimus_plant.jpg

Common Name 

coastal burnweed

Close-up 

Senecio_minimus_flower.jpg

Status

E, I

Habitat

CDF, DM, BM, FM, DS, RF

Senecio_minimus_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Senecio vulgaris

Senecio_vulgaris_plant.jpg

Common Name 

old man of spring

Close-up 

1. No image

Status

E

Habitat

DM, DS

1. No image

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Solidago elongata

Solidago_elongata_plant.jpg

Common Name 

meadow goldenrod

Close-up 

Solidago_elongata_flower.jpg

Status

N

Habitat

BM

1. No image

Occurs

HBNWR

Other

N/A

Scientific Name

Solidago spathulata

Solidago_spathulata_plant.jpg

Common Name 

dune goldenrod

Close-up 

Solidago_spathulata_flower.jpg

Status

N

Habitat

DM, CDF

Solidago_spathulata_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Sonchus oleraceus

Sonchus_oleraceus_plant.jpg

Common Name 

common sow thistle

Close-up 

Sonchus_oleraceus_flower.jpg

Status

E, I

Habitat

DM, AW

Sonchus_oleraceus_habitat.JPG

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Symphyotrichum chilense var. chilense

Symphyotrichum_chilense_plant.jpg

Common Name 

common California aster

Close-up 

Symphyotrichum chilense_flower.jpg

Status

N

Habitat

SW, BM, FM

Symphyotrichum_chilense_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Tanacetum bipinnatum

tanacetum_bipinnatum_plant.jpg

Common Name 

dune tansy

Close-up 

Tanacetum_bipinnatum_flower.jpg

Status

N

Habitat

DM

Tanacetum_bipinnatum_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Status: Conservation concern (C); Exotic (E); Invasive (I); California Native (N) 

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).

* 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).