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
Abies | Abronia | Acer | Achillea | Acmispon | Agrostis | Aira | Allotropa |Alnus | Ambrosia |
Ammophila | Anaphalis | Angelica | Anthoxanthum | Aphanes | Arbutus | Arctostaphylos |
Arctotheca | Armeria | Artemisia | Athyrium | Atriplex | Avena | Azolla | Baccharis | Bellardia |
Bolboschoenus | Brassica | Briza | Bromus | Cakile | Calamagrostis | Calandrinia | Callitriche |
Calypso | Calystegia | Camissoniopsis | Capsella | Cardamine | Cardionema | Carex | Carpobrotus |
Castilleja | Cerastium | Chamerion | Chimaphila | Chloropyron | Cicuta | Cirsium | Clarkia |
Claytonia | Clinopodium | Coincya | Corethrogyne | Cortaderia | Cotoneaster | Cotula | Crassula |
Crocosmia | Cryptantha​ | Cuscuta | Cynodon | Cynosurus | Cyperus | Cytisus | Dactylis | Daucus |
Deschampsia | Distichlis | Dryopteris | Eleocharis | Elymus | Epilobium | Equisetum | Erigeron |
Eriogonum | Erodium | Erysimum | Eschscholzia | Festuca | Fragaria | Frangula | Galium |
Gamochaeta | Garrya | Gaultheria | Geranium | Gilia | Glehnia | Gnaphalium | Goodyera |
Grindelia | Hedera | Hesperevax | Hesperocyparis | Hieracium | Hippuris | Hirschfeldia | Holcus |
Hordeum | Hydrocotyle | Hypericum | Hypochaeris
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
Common Name
grand fir
Close-up
Status
N
Occurs
HBNWR, Lanphere, Ma-le'l
Habitat
CDF, RF
Other
N/A
Scientific Name
Abronia latifolia
Common Name
yellow sand verbena
Close-up
Status
N
Occurs
HBNWR, Lanphere, Ma-le'l
Habitat
DM
Other
N/A
Scientific Name
Abronia umbellata var. breviflora
Common Name
pink sand verbena
Close-up
Status
N, C
Occurs
HBNWR, Lanphere, Ma-le'l
Habitat
DM
Other
N/A
Scientific Name
Acer macrophyllum
Common Name
big leaf maple
Close-up
Status
N
Occurs
HBNWR
Habitat
FS
Other
N/A
Scientific Name
Achillea millefolium
Common Name
common yarrow
Close-up
Status
N
Habitat
DM, CDF, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Acmispon americanus var. americanus
Common Name
American bird's-foot trefoil
Close-up
Status
N
Habitat
SW, DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Acmispon parviflorus
Common Name
small-flowered lotus
Close-up
Status
N
Habitat
DM, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Agrostis hallii
Common Name
Hall's bentgrass
Close-up
Status
N
Habitat
CDF
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Agrostis hallii
Common Name
Hall's bentgrass
Close-up
Status
N
Habitat
CDF
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Agrostis microphylla
Common Name
little-leaf bentgrass
Close-up
Status
N
Habitat
SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Agrostis stolonifera
Common Name
creeping bentgrass
Close-up
Status
E, I
Habitat
BM, AW, FM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Aira caryophyllea
Common Name
silver hairgrass
Close-up
Status
E, I
Habitat
DM, DS, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Aira praecox
Common Name
yellow hairgrass
Close-up
Status
E, I
Habitat
DM, DS, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Allotropa virgata
Common Name
sugar-stick
Close-up
Status
N
Habitat
CDF
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Alnus rubra
Common Name
red alder
Close-up
Status
N
Habitat
RF, FS, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Ambrosia chamissonis
Common Name
beach-bur
Close-up
Status
N
Habitat
DM, DS
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Ammophila arenaria
Common Name
European beach grass
Close-up
Status
E, I
Habitat
DM, DS
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Anaphalis margaritacea
Common Name
pearly everlasting
Close-up
Status
N
Habitat
CDF, DM, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Angelica lucida
Common Name
seacoast angelica
Close-up
Status
N, C
Habitat
BM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Anthoxanthum occidentale
Common Name
western sweetgrass
Close-up
Status
N
Habitat
CDF
Occurs
HBNWR
Other
N/A
Scientific Name
Anthoxanthum odoratum
Common Name
sweet vernal grass
Close-up
Status
E, I
Habitat
DM, DS, SW, AW, FS, CDF
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Aphanes occidentalis
Common Name
lady's mantle
Close-up
Status
N
Habitat
DM, SW
Occurs
N/A
Other
N/A
Scientific Name
Arbutus menziesii
Common Name
Pacific madrone
Close-up
Status
N
Habitat
C
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Arctostaphylos columbiana
Common Name
hairy manzanita
Close-up
Status
N
Habitat
CDF
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Arctostaphylos uva-ursi
Common Name
bearberry
Close-up
Status
N
Habitat
CDF, DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Arctotheca calendula
Common Name
cape weed
Close-up
Status
E, I
Habitat
CDF, FS
Occurs
N/A
Other
N/A
Scientific Name
Armeria maritima ssp. californica
Common Name
California sea-pink
Close-up
Status
N
Habitat
DM, DS
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Artemisia pycnocephala
Common Name
coastal sagewort
Close-up
Status
N
Habitat
DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Athyrium filix-femina var. cyclosorum
Common Name
lady fern
Close-up
Status
N
Habitat
CDF, FS
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Atriplex leucophylla
Common Name
beach salt bush
Close-up
Status
N
Habitat
DM, SM
Occurs
N/A
Other
N/A
Scientific Name
Atriplex patula
Common Name
spear saltbush
Close-up
Status
N
Habitat
BM, SM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Atriplex prostrata
Common Name
triangle oracle
Close-up
Status
E, I
Habitat
BM, SM, AW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Avena sativa
Common Name
common oats
Close-up
Status
E
Habitat
AW
Occurs
HBNWR
Other
N/A
Scientific Name
Azolla filiculoides
Common Name
Pacific mosquito fern
Close-up
Status
N
Habitat
FM, SW, OW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Baccharis glutinosa
Common Name
saltmarsh baccharis
Close-up
Status
N
Habitat
BM, FM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Baccharis pilularis
Common Name
coyote brush
Close-up
Status
N
Habitat
DM, AW, BM, FM, FS, RF
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Bellardia trixago
Common Name
Mediterranean lineseed
Close-up
Status
E, I
Habitat
FM, DM
Occurs
N/A
Other
N/A
Scientific Name
Bolboschoenus maritimus
Common Name
seacoast bulrush
Close-up
Status
N
Habitat
BM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Bolboschoenus robustus
Common Name
sturdy bulrush
Close-up
Status
N
Habitat
BM
Occurs
N/A
Other
N/A
Scientific Name
Brassica rapa
Common Name
common mustard
Close-up
Status
E, I
Habitat
AW, FM
Occurs
HBNWR
Other
N/A
Scientific Name
Briza maxima
Common Name
big quaking grass
Close-up
Status
E, I
Habitat
DM, DS, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Briza minor
Common Name
little quaking grass
Close-up
Status
E
Habitat
SW, FM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Bromus carinatus var. carinatus
Common Name
mountain brome
Close-up
Status
N
Habitat
DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Bromus diandrus
Common Name
ripgut brome
Close-up
Status
E, I
Habitat
DM, DS, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Bromus hordeaceus
Common Name
soft chess
Close-up
Status
E, I
Habitat
DM, BM, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Bromus maritimus
Common Name
California brome
Close-up
Status
N
Habitat
DM, DS
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Cakile edentula
Common Name
American sea rocket
Close-up
Status
E
Habitat
DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Cakile maritima
Common Name
European sea rocket
Close-up
Status
E
Habitat
DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Calamagrostis nutkaensis
Common Name
reedgrass
Close-up
Status
N
Habitat
CDF, BM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Calandrinia menziesii
Common Name
red-maids
Close-up
Status
N
Habitat
DM, DS, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Callitriche heterophylla var. bolanderi
Common Name
water starwort
Close-up
Status
N
Habitat
DS, AW, FM
Occurs
N/A
Other
N/A
Scientific Name
Callitriche stagnalis
Common Name
pond water-starwort
Close-up
Status
E
Habitat
OW, FM
Occurs
N/A
Other
N/A
Scientific Name
Calypso bulbosa
Common Name
fairy slipper
Close-up
Status
N
Habitat
CDF
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Calystegia soldanella
Common Name
beach morning-glory
Close-up
Status
N
Habitat
DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Camissoniopsis cheiranthifolia
Common Name
beach-primrose
Close-up
Status
N
Habitat
DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Capsella bursa-pastoris
Common Name
shepherd's purse
Close-up
Status
E
Habitat
​DM, DS, AW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Cardamine oligosperma
Common Name
bitter cress
Close-up
Status
N
Habitat
DM, AW, DS, SW
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Cardionema ramosissimum
Common Name
sandmat
Close-up
Status
N
Habitat
DM, DS
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Carex lyngbyei
Common Name
Lyngbye's sedge
Close-up
Status
N, C
Habitat
BM, SM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Carex obnupta
Common Name
slough sedge
Close-up
Status
N
Habitat
SW, FM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Carex pansa
Common Name
sand-dune sedge
Close-up
Status
N
Habitat
SW, DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Carpobrotus chilensis
Common Name
sea fig
Close-up
Status
E
Habitat
DM
Occurs
HBNWR, Lanphere, Ma-le'l
Other
N/A
Scientific Name
Carpobrotus edulis
Common Name
iceplant
Close-up
Status
E, I
Habitat
DM
Occurs
HBNWR
Other
N/A
Scientific Name
Castilleja ambigua ssp. humboldtiensis