A Photographic Guide to Plants of
Humboldt Bay Dunes and Wetlands

Compiled by Gordon Leppig and Andrea Pickart

Release 2.0

April 2018

List by Genus: Letters A-H

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).  

 

Scientific Name

Abies grandis

Abies_grandis_plant.jpg

Common Name 

grand fir

Close-up 

Abies_grandis_cone.jpg

Status

N

Occurs

HBNWR, Lanphere, Ma-le'l

Habitat

CDF, RF

Other

N/A

Abies_grandis_habitat.jpg
 

Scientific Name

Abronia latifolia

Abronia_latifolia_plant.jpg

Common Name 

yellow sand verbena

Close-up 

Abronia_latifolia_flower.jpg

Status

N

Occurs

HBNWR, Lanphere, Ma-le'l

Habitat

DM

Other

N/A

Abronia_latifolia_habitat.jpg

Scientific Name

Abronia umbellata var. breviflora

abr_umb_2_plant_oldguide.jpg

Common Name 

pink sand verbena

Close-up 

Abronia_umbellata_breviflora_flower.jpg

Status

N, C

Occurs

HBNWR, Lanphere, Ma-le'l

Habitat

DM

Other

N/A

Abronia_umbellata_breviflora_habitat.jpg

Scientific Name

Acer macrophyllum

ace_mac_1_closeup.jpg

Common Name 

big leaf maple

Close-up 

ace_mac_3_plant_oldguide.jpg

Status

N

Occurs

HBNWR

Habitat

FS

Other

N/A

ace_mac_2_habitat_oldguide.jpg
 
 

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

Acmispon americanus var. americanus

Acmispon_americanus_plant.jpg

Common Name 

American bird's-foot trefoil

Close-up 

Acmispon_americanus_flower.jpg

Status

N

Habitat

SW, DM

Acmispon_americans_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Acmispon parviflorus

Acmispon_parviflorus_plant.jpg

Common Name 

small-flowered lotus

Close-up 

Acmispon_parviflorus_flower.jpg

Status

N

Habitat

DM, SW

Acmispon_parviLotus_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Agrostis hallii

Agrostis_hallii_plant.jpg

Common Name 

Hall's bentgrass

Close-up 

Agrostis_hallii_flower.jpg

Status

N

Habitat

CDF

Agrostis_hallii_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Agrostis hallii

Agrostis_hallii_plant.jpg

Common Name 

Hall's bentgrass

Close-up 

Agrostis_hallii_flower.jpg

Status

N

Habitat

CDF

Agrostis_hallii_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Agrostis microphylla

Agrostis_microphylla_plant.jpg

Common Name 

little-leaf bentgrass

Close-up 

Agrostis_microphylla_flower.jpg

Status

N

Habitat

SW

Agrostis_microphylla_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Agrostis stolonifera

Agrostis_stolonifera_plant.jpg

Common Name 

creeping bentgrass

Close-up 

Agrostis_stolonifera_flower.jpg

Status

E, I

Habitat

BM, AW, FM

Agrostis_stolonifera_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Aira caryophyllea

Aira_cariophyllea_plant.jpg

Common Name 

silver hairgrass

Close-up 

Aira_cariophyllea_flower.jpg

Status

E, I

Habitat

DM, DS, SW

Aira_caryophyllea_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Aira praecox

Aira_praecox_plant.jpg

Common Name 

yellow hairgrass

Close-up 

Aira_praecox_flower.jpg

Status

E, I

Habitat

DM, DS, SW

Aira_praecox_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Allotropa virgata

Allotropa_virgata_plant.jpg

Common Name 

sugar-stick

Close-up 

Allotropa_virgata_flower.jpg

Status

N

Habitat

CDF

Allotropa_virgata_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Alnus rubra

Alnus_rubra_plant.jpg

Common Name 

red alder

Close-up 

Alnus_rubra_flower.jpg

Status

N

Habitat

RF, FS, SW

Alnus_rubra_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

Ammophila arenaria

Ammophila_arenaria_plant.jpg

Common Name 

European beach grass

Close-up 

Ammophila_arenaria_flower.jpg

Status

E, I

Habitat

DM, DS

Ammophila_arenaria_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

Angelica lucida

Angelica_lucida_plant.jpg

Common Name 

seacoast angelica

Close-up 

Angelica_lucida_flower.jpg

Status

N, C

Habitat

BM

Angelica_lucida_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Anthoxanthum occidentale

Anthoxanthum_occidentale_plant.jpg

Common Name 

western sweetgrass

Close-up 

Anthoxanthum_occidentaleL_flower.jpg

Status

N

Habitat

CDF

Anthoxanthum_occidentale_habitat.jpg

Occurs

HBNWR

Other

N/A

Scientific Name

Anthoxanthum odoratum

Anthoxanthum_odoratum_plant.jpg

Common Name 

sweet vernal grass

Close-up 

Anthoxanthum_odoratum_flower.jpg

Status

E, I

Habitat

DM, DS, SW, AW, FS, CDF

1. No image

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Aphanes occidentalis

1. No image

Common Name 

lady's mantle

Close-up 

aph_occ_1_closeup_oldguide.jpg

Status

N

Habitat

DM, SW

aph_occ_2_habitat_oldguide.jpg

Occurs

N/A

Other

N/A

Scientific Name

Arbutus menziesii

Arbutus_menziesii_tree.jpg

Common Name 

Pacific madrone

Close-up 

Arbutus_menziesii_flower.jpg

Status

N

Habitat

C

Arbutus_menziesii_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Arctostaphylos columbiana

Arctostaphylos_columbiana_plant.jpg

Common Name 

hairy manzanita

Close-up 

Arctostaphylos_columbiana_flower.jpg

Status

N

Habitat

CDF

Arctostaphylos_columbiana_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Arctostaphylos uva-ursi

Arctostaphylos_uva-ursi_plant.jpg

Common Name 

bearberry

Close-up 

Arctostaphylos_uva-ursi_flower.jpg

Status

N

Habitat

CDF, DM

Arctostaphylos_uva-ursi_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

Armeria maritima ssp. californica

Armeria_maritima_plant.jpg

Common Name 

California sea-pink

Close-up 

Armeria_maritima_flower.jpg

Status

N

Habitat

DM, DS

Armeria_maritima_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

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

Athyrium filix-femina var. cyclosorum

Athyrium_filix-femina_plant.jpg

Common Name 

lady fern

Close-up 

Athyrium_filix-femina_flower.jpg

Status

N

Habitat

CDF, FS

Athyrium_filix-femina_habitat.jpg

Occurs

HBNWR, Lanphere, Ma-le'l

Other

N/A

Scientific Name

Atriplex leucophylla

Atriplex_leucophylla_plant.jpg

Common Name 

beach salt bush

Close-up 

Atriplex_leucophylla_flower.jpg

Status

N

Habitat

DM, SM

Atriplex_leucophylla_habitat.JPG

Occurs

N/A

Other

N/A

Scientific Name

Atriplex patula

Atriplex_patula_plant.jpg

Common Name 

spear saltbush

Close-up