California Terrestrial Vegetation Classification Based on TNC (February 1996)
Version of UNESCO (1973) (draft August 28, 1996)

Class -- Subclass -- Group

Formation

Series

I.A.6. Forest -- Evergreen --Temperate broad-leaved seasonal evergreen forest (mainly broad-leaved evergreen with some foliage reduction in the dry season) b. Lowland or submontane winter-rain evergreen sclerophyllous forest (under 50m tall, e.g. live oak in California) California bay (Umbellaria californica)

Canyon live oak (Quercus chrysolepis)

Eucalyptus (Eucalyptus spp.) (nine species)

Hollyleaf cherry (Prunus ilicifolia ssp. ilicifolia) unique stands

Island oak (Quercus tomentella) forest

Mixed oak (Quercus spp., agrifolia, douglasii, kelloggii, lobata,

wislizenii)

Tanoak (Lithocarpus densiflora)

I.A.8. Forest -- Evergreen --Temperate or subpolar needle- leaved evergreen forest (mostly needle-leaved or scale-leaved trees) a. Giant temperate or subpolar needle-leaved evergreen forest (e.g. redwood and Douglas-fir) Douglas-fir (Pseudotsuga menziesii)

Douglas-fir - tanoak (Pseudotsuga menziesii - Lithocarpus

densiflorus)

Giant sequoia (Sequoiadendron giganteum)

Grand fir (Abies grandis)

Redwood (Sequoia sempervirens)

Sitka spruce (Picea sitchensis)

  b. Rounded-crowned temperate or subpolar needle-leaved evergreen forest (e.g. pines, western juniper) Baker cypress (Cupressus bakeri) unique stands

Beach pine (Pinus contorta ssp. contorta)

Bishop pine (Pinus muricata)

Douglas-fir - ponderosa pine (Pseudotsuga menziesii - Pinus

ponderosa)

Incense-cedar (Calocedrus decurrens)

Jeffrey pine (Pinus jeffreyi)

Jeffrey pine - ponderosa pine (Pinus jefferyi - Pinus ponderosa)

Limber pine (Pinus flexilis)

Lodgepole pine (Pinus contorta var. murryana)

McNab cypress (Cupressus macnabiana)

Mixed conifer forest

Monterey cypress (Cupressus macrocarpa) unique stands

Monterey pine (Pinus radiata)

Ponderosa pine (Pinus ponderosa)

Santa Cruz cypress (Cupressus abramsiana)

Western white pine (Pinus monticola)

Whitebark pine (Pinus albicaulis)

  c. Conical-crowned temperate or subpolar needle-leaved evergreen forest (e.g. spruce, eastern juniper, cedar) Alaska yellow-cedar (Chamaecyparis nootkatensis) unique stands

Bigcone Douglas-fir (Pseudotsuga macrocarpa)

Bigcone Douglas-fir - canyon live oak (Pseudotsuga macrocarpa

- Quercus chrysolepis)

Douglas-fir (Pseudotsuga menziesii)

Engelmann spruce (Picea engelmannii)

Klamath Mountains unique stands

Mixed conifer forest

Mountain hemlock (Tsuga mertensiana)

Pacific silver fir (Abies amabilis) unique stands

Port Orford-cedar (Chamaecyparis lawsoniana)

Red fir (Abies magnifica)

Santa Lucia fir (Abies bracteata) forest

Sitka spruce (Picea sitchensis)

Western hemlock (Tsuga heterophylla)

White fir (Abies concolor)

d. Cylindrical-crowned temperate or subpolar needle-leaved evergrenn forest (e.g. boreal spruce forests of Alaska) Subalpine fir (Abies lasiocarpa)
I.B.2. Forest -- Deciduous -- Cold- deciduous forest b. Montane or boreal cold-deciduous forest (e.g. broadleaf forests of the mountains) Aspen (Populus tremuloides)

Black oak (Quercus kelloggii)

d. Temporarily flooded cold-deciduous forest (e.g. alluvial bottomland hardwoods) Arroyo willow (Salix lasiolepis)

Black cottonwood (Populus balsamifera)

Black willow (Salix goodingii)

Fremont cottonwood (Populus fremontii)

Hinds walnut (Juglans californica ssp. hindsii) unique stands

Mixed willow (Salix spp.)

Red alder (Alnus rubra)

Sitka willow (Salix sitchensis)

White alder (Alnus rhomifolia)

I.C.3. Forest -- Mixed evergreen - deciduous -- Mixed needle-leaved evergreen - cold-deciduous forest a. Mixed needle-leaved evergreen cold-deciduous forest Mixed conifer forest (associations with much Quercus kelloggii)
II.A.1 Woodland -- Evergreen-- Tropical or subtropical broad-leaved evergreen woodland b. Temporarily flooded tropical or subtropical broad-leaved evergreen woodland Fan palm (Washingtonia fillifera)
II.A.2. Woodland -- Evergreen -- Temperate broad-leaved evergreen woodland a. Temperate broad-leaved evergreen woodland Catalina ironwood (Lyonothamnus floribundus) unique stands
II.A.4. Woodland -- Evergreen -- Temperate or subpolar needle-leaved evergreen woodland a. Rounded-crowned temperate or subpolar needle-leaved evergreen woodland (e.g. pine, western juniper) Bristlecone pine (Pinus longaeva)

California juniper (Juniperus californica)

Coulter pine (Pinus coulteri)

Coulter pine - canyon live oak (Pinus coulteri - Quercus

chrysolepis)

Foothill pine (Pinus sabiniana)

Foxtail pine (Pinus balfouriana)

Knobcone pine (Pinus attentuata)

Lodgepole pine (Pinus contorta var. murryana)

Mixed subalpine forest

Mountain juniper (Juniperus occidentalis ssp. australis)

Parry pinyon (Pinus quadrifolia)

Ponderosa pine (Pinus ponderosa)

San Benito Mountain unique stands

Sargent cypress (Cupressus sargentii)

Singleleaf pinyon (Pinus monophylla)

Singleleaf pinyon - Utah juniper (Pinus monophylla - Juniperus

osteosperma)

Torrey pine (Pinus torreyana) unique stands

Twoleaf pinyon (Pinus edulis) unique stands

Utah juniper (Juniperus osteosperma)

Washoe pine (Pinus washoensis)

Western juniper (Juniperus occidentalis)

Western white pine (Pinus monticola)

  b. Conical-crowned temperate or subpolar needle-leaved evergreen woodland (e.g. spruce in the west) white fir (Abies concolor) in desert mountains
II.A.5. Woodland -- Evergreen -- Extremely xeromorphic evergreen woodland a. Sclerophyllous extremely xeromorphic evergreen woodland Birchleaf mountain-mahogany (Cercocarpus betuloides)

Coast live oak (Quercus agrifolia)

Curlleaf mountain-mahogany (Cercocarpus ledifolius)

Engelmann oak (Quercus engelmannii)

Interior live oak (Quercus wislizenii)

  b. Succulent extremely xeromorphic evergreen woodland Joshua tree (Yucca brevifolia)
II.B.2. Woodland -- Deciduous -- Cold-deciduous woodland a. Cold-deciduous woodland Blue oak (Quercus douglasii)

California buckeye (Aesculus californica)

California walnut (Juglans californica var. californica)

Valley oak (Quercus lobata)

  b. Temporarily flooded cold-deciduous woodland Aspen (Populus tremuloides)

California sycamore (Platanus racemosa)

Fremont cottonwood (Populus fremontii)

Red willow (Salix laevigata)

   
II.B.3. Woodland -- Deciduous -- Extremely xeromorphic deciduous woodland a. Thorn extremely xeromorphic deciduous woodland (may not be represented in the U.S.) Blue palo verde - ironwood - smoke tree (Cercidium floridum -

Olneya tesota - Psorothamnus spinosa)

Mesquite (Prosopis glandulosa - Prosopis velutina)

II.C.2. Woodland -- Mixed broad-leaved evergreen - cold-deciduous woodland a. Mixed broad-leaved evergreen cold-deciduous woodland Engelmann oak (Quercus engelmannii)

Mixed oak (Q. agrifolia, Q. lobata, Q. wislizenii, , Q. kelloggii)

II.C.3. Woodland -- Mixed evergreen - deciduous -- Mixed needle-leaved evergreen - cold-deciduous woodland a. Mixed needle-leaved evergreen - cold-deciduous woodland Oregon white oak (Quercus garryana)
III.A.2. Shrubland -- Evergreen -- Temperate broad-leaved evergreen shrubland (with or without scattered tree canopy) a. Temperate broad-leaved evergreen shrubland (including bamboos and tuft-trees) Yellow bush lupine (Lupinus arboreus)
b. Hemi-sclerophyllous temperate broad-leaved evergreen shrubland Salal-Black huckleberry (Gaultheria shallon-Vaccinium ovatum)

Blue-blossom (Ceanothus thyrsiflorus)

Sadler oak (Quercus sadleriana)

 
  c. Sclerophyllous temperate broad-leaved evergreen shrubland Bigberry manzanita (Arctostaphylos glauca)

Bigpod ceanothus (Ceanothus megacarpus)

Bigpod ceanothus - birchleaf mountain-mahogany (Ceanothus

megacarpus - Cercocarpus betuloides)

Bigpod ceanothus - hollyleaf redberry (Ceanothus megacarpus -

Rhamnus ilicifolia)

Birchleaf mountain-mahogany - California buckwheat

(Cercocarpus betuloides - Eriogonum fasciculatum)

Bush chinquapin (Chrysolepis sempervirens)

California buckwheat - white sage (Eriogonum fasciculatum -

Salvia apiana)

California encelia (Encelia califonica)

Canyon live oak (Quercus chrysolepis) shrub

Chamise (Adenostema fasciculatum)

Chamise - bigberry manzanita (Adenostema fasciculatum -

Arctostaphylos glauca)

Chamise - black sage (Adenostema fasciculatum - Salvia

mellifera)

Chamise - cupleaf ceanothus (Adenostema fasciculatum -

Ceanothus greggii)

Chamise - Eastwood manznita (Adenostema fasciculatum -

Arctostaphylos glandulosa)

Chamise - hoaryleaf ceanothus (Adenostema fasciculatum -

Ceanothus crassifolius)

Chamise - mission manzanita - woollyleaf ceanothus

(Adenostema fasciculatum - Xylococcus bicolor -

Ceanothus tomentosus)

Chamise - wedgeleaf ceanothus (Adenostema fasciculatum -

Ceanothus cuneatus)

Chamise - white sage (Adenostema fasciculatum - Salvia apiana)

Chaparral whitethorn (Ceanothus leucodermis)

Cupleaf ceanothus - fremontia - oak (Ceanothus greggii -

Fremontodendron californicum)

Eastwood manzanita (Arctostaphylos glandulosa)

Greenleaf manzanita (Arctostaphylos patula)

Hairyleaf ceanothus (Ceanothus oliganthus)

Hoaryleaf ceanothus (Ceanothus crassifolius)

Huckleberry oak (Quercus vaccinifolia)

Interior live oak - canyon

III.A.2. Shrubland -- Evergreen -- Temperate broad-leaved evergreen shrubland (with or without scattered tree canopy) (continued) c. Sclerophyllous temperate broad-leaved evergreen shrubland (continued) Interior live oak (Quercus wislizenii) scrub

Interior live oak - canyon live oak scrub (Quercus wislizenii -

Quercus chrysolepis)

Interior live oak - chaparral whitethorn (Quercus wislizenii -

Ceanothus leucodermis)

Interior live oak - scrub oak (Quercus wislizenii - Quercus

berberidifolia)

Ione manzanita (Arctostaphylos myrtifolia)

Leather oak (Quercus durata)

Mixed scrub oak (Quercus spp., cornelius-mulleri, dumosa,

palmeri, turbinella, wislizenii)

Mountain whitethorn (Ceanothus cordulatus)

Red shank (Adenostema sparsifolium)

Red shank - birchleaf mountain-mahogany (Adenostema

sparsifolium - Cercocarpus betuloides)

Red shank - chamise (Adenostema sparsifolium - Adenostema

fasciculatum)

Scrub oak (Quercus berberidifolia)

Scrub oak - birchleaf mountain-mahogany (Quercus

berberidifolia - Cercocarpus betuloides)

Scrub oak - chamise (Quercus berberidifolia - Adenostema

fasciculatum)

Scrub oak - chaparral whitethorn (Quercus berberidifolia -

Ceanothus leucodermis)

Sumac (Malosoma laurina or Rhus integrifolia)

Tobacco brush (Ceanothus velutinus)

Wedgeleaf ceanothus (Ceanothus cuneatus)

Whiteleaf manzanita (Arctostaphylos viscida)

Woollyleaf manzanita (Arctostaphylos tomentosa var. tomentosa)

g. Temporarily flooded temperate broad-leaved evergreen shrubland Mulefat (Baccharis salicifolia)

Arrow weed (Pulchea sericea)

III.A.3. Shrubland -- Evergreen -- Needle-leaved evergreen shrubland a. Needle-leaved evergreen shrubland (e.g. krummholz) Cuyamaca cypress (Cupressus stephensonii) unique stands

Gowan cypress (Cupressus goveniana ssp. goveniana) unique

stands

Piute cypress (Cupressus nevadensis) unique stands

Pygmy cypress (Cupressus goveniana spp. pygmaea)

Tecate cypress (Cupressus forbesii) unique stands

III.A.4. Shrubland -- Evergreen -- Microphyllous evergreen shrubland (e.g. sagebrush) a. Microphyllous evergreen shrubland Big sagebrush (Artemisia tridentata)

Bitterbrush (Purshia tridentata)

Bladderpod - California ephedra - narrowleaf goldenbush

(Isomeris arboria - Ephedra californica - Ericameria

linearifolia)

Broom (Cytisus spp.)

Coyote brush (Baccharis piluaris)

Curlleaf mountain-mahogany (Cercocarpus ledifolius)

Dune lupine - goldenbush (Isocoma menziesii - Lupinus

chamissonis - Ericameria linearifolia)

Parry rabbitbrush (Chrysothamnus parryi)

Rubber rabbitbrush (Chrysothamnus nauseosus)

  b. Intermittently flooded flooded microphyllous shrubland Scalebroom (Lepidospartum squamatum)
c. Temporarily flooded microphyllous shrubland Tamarisk (Tamarix spp.)
III.A.5. Shrubland -- Evergreen -- Extremely xeromorphic evergreen shrubland a. Broad-leaved and microphyllous evergreen extremely xeromorphic subdesert shrubland (e.g. creosote bush) Creosote bush (Larrea tridentata)

Creosote bush - white bursage (Larrea tridentata - Ambrosia

dumosa)

  b. Facultatively deciduous extremely xeromorphic subdesert shrubland (e.g. saltbush) Allscale (Atriplex polycarpa)

Black bush (Coleogyne ramosissima)

Brittlebush (Encelia farinosa)

Brittlebush - white bursage (Encelia farinosa - Ambrosia

dumosa)

Bush seepweed (Suaeda moquinii)

California buckwheat (Eriogonum fasciculatum) desert associations

Desert-holly (Atriplex hymenelytra)

Fourwing saltbush (Atriplex canescens)

Mixed saltbush (Atriplex spp., canescens, confertifolia, depressa,

lentiformis, polycarpa)

Ocotillo (Fouquieria splendens)

Shadscale (Atriplex confertifolia)

Spinescale (Atriplex spinifera)

c. Succulent extremely xeromorphic evergreen shrubland Coast prickly-pear (Opuntia littoralis)

Joshua tree (Yucca brevifolia)

Mojave yucca (Yucca schidigera)

Nolina (Nolina spp., bigelovii, parryi)

Teddy-bear cholla (Opuntia bigelovii)

III.B.2. Shrubland -- Deciduous -- Cold-deciduous shrubland a. Temperate cold-deciduous shrubland (e.g. serviceberry, some oaks) Brewer oak (Quercus garryana var. breweri)

Deerbrush (Ceanothus integerrimis)

Holodiscus (Holodiscus spp., discolor, microphyllus)

  b. Subalpine or subpolar cold-deciduous shrubland (e.g. willow, alder) Montane wetland shrub habitat

Mountain alder (Alnus incana)

Sitka alder (Alnus viridis)

Subalpine wetland shrub habitat

  c. Intermittently flooded cold-deciduous shrubland Buttonbush (Cephalanthus occidentalis)

Mexican elderberry (Sambucus mexicana)

Narrowleaf willow (Salix exigua)

Pacific willow (Salix lucida ssp. lasiandra)

  d. Seasonally flooded cold-deciduous shrubland (e.g. blueberry - azalea thickets) Hooker willow (Salix hookeriana)

Sandbar willow (Salix sessilifolia)

Water birch (Betula occidentalis)

III.B.3. Shrubland -- Deciduous -- Extremely xeromorphic deciduous shrubland a. Extremely xeromorphic deciduous subdesert shrubland without succulents Hop-sage (Grayia spinosa)

Winter fat (Krascheninnikovia lanata)

b. Intermittently flooded extremely xeromorphic deciduous subdesert shrubland Greasewood (Sarcobatus vermiculatus)

Iodine bush (Allenrolfea occidentalis)

III.C.1. Shrubland -- Mixed evergreen- deciduous a. Lowland mixed evergreen - drought-deciduous shrubland Black sage (Salvia mellifera)

California buckwheat - white sage (Eriogonum fasciculatum - Salvia apiana)

California sagebrush (Artemisia californica)

California sagebrush - black sage (Artemisia californica - Salvia

mellifera)

California sagebrush - California buckwheat (Artemisia

californica - Eriogonum fasciculatum)

Mixed sage (Salvia spp., apiana, leucophylla, mellifera)

Purple sage (Salvia leucophylla)

White sage (Salvia apiana)

III.C.3. Shrubland -- Mixed evergreen - deciduous -- extremely xeromorphic mixed evergreen - deciduous shrubland a. Extremely xeromorphic deciduous subdesert shrubland with succulents (e.g. palo verde) All-thorn (Koeberlinia spinosa) unique stands

Catclaw acacia (Acacia greggii)

Crucifixion-thorn (Castela emoryi) unique stands

Elephant tree (Bursera microphylla) unique stands

Foothill palo verde - saguaro (Cercidium microphyllum -

Carnegiea gigantea)

IV.A.1. Dwarf-shrubland -- Evergreen -- Needle-leaved or microphyllous evergreen dwarf-shrubland (with or without scattered tree canopy) a. Caespitose needle-leaved or microphyllous evergreen dwarf-shrubland (e.g. alpine azalea) Rothrock sagebrush (Artemisia rothrockii)
b. Creeping or matted needle-leaved or microphyllous evergreen dwarf-shrubland Mountain heather - bilberry (Phyllodoce spp. - Vaccinium

caespitosum)

IV.A.2. Dwarf-shrubland -- Evergreen -- Extremely xeromorphic evergreen dwarf-shrubland a. Extremely xeromorphic evergreen subdesert dwarf-shrubland Black sagebrush (Artemisia nova)

Low sagebrush (Artemisia arbuscula)

IV.B.1. Dwarf-shrubland -- Deciduous -- Drought deciduous dwarf shrubland a. caespitose drought deciduous dwarf shrubland Brittlebush (Encelia farinosa)

White bursage (Ambrosia dumosa)

IV.C.2. Dwarf-shrubland -- Mixed evergreen - deciduous -- Mixed evergreen - cold deciduous dwarf-shrubland a. Mixed evergreen - cold-deciduous dwarf-shrubland Subalpine upland shrub habitat
V.A.5. Herbaceous -- Perennial graminoid -- Temperate or subpolar grassland a. Tall sod temperate grassland (includes mixed sod or mixed sod - bunch graminoids)  
  b. Tall bunch temperate grassland Ashy ryegrass (Leymus cinereus)

Pacific reedgrass (Calamagrostis nutkaensis)

Pampas grass (Cortaderia spp.)

  c. Medium-tall sod temperate or subpolar grassland (including sod or mixed sod - bunch graminoids) European beachgrass (Ammonphila arenaria)

Green fescue (Festuca viridula)

Introduced perennial grassland

Native dunegrass (Leymus mollis)

  d. Medium-tall bunch temperate or subpolar grassland Alkali sacaton (Sporobolus airoides)

Bluebunch wheatgrass (Elymus spicatus=Pseudoreogeneria

spicata)

California oatgrass (Danthonia californica)

Crested wheatgrass (Agropyron desertorum)

Foothill needlegrass grassland (Stipa lepida)

Pampas grass (Cortaderia spp., sellona, jubatum

Idaho fescue (Festuca idahoensis)

Indian ricegrass (Oryzopsis hymenoides)

Needle-and-thread (Stipa comata)

Nodding needlegrass (Stipa cernua)

  f. Short bunch temperate or subpolar grassland Desert needlegrass (Stipa speciosum)

One-sided bluegrass (Poa secunda)

Purple needlegrass (Stipa pulchra)

  g. Short alpine or subalpine sod grassland Shorthair reedgrass (Calamagrostis breweri)

Shorthair sedge (Carex filifolia)

  i. Intermittently flooded temperate or subpolar grassland (e.g. playa lakes) Saltgrass (Distichlis spicata)
  j. Temporarily flooded temperate or subpolar grassland Creeping ryegrass (Leymus triticoides)

Giant reed (Arundo donax)

Sedge (Carex spp.)

Tufted hairgrass (Deschampsia cespitosa)

  k. Seasonally flooded temperate or subpolar grassland Common reed (Phragmites australis)

Kentucky bluegrass (Poa pratensis)

Nebraska sedge (Carex nebrascensis)

Rocky Mountain sedge (Carex scopulorum)

Spikerush (Eleocharis spp., macrostachya, montevidensis,

palustris, pauciflora,rostrata)

  l. Semipermanently flooded temperate or subpolar grassland Beaked sedge (Carex utriculata)
  m. Saturated temperate or subpolar grassland Bulrush (Scirpus spp.)

Bulrush - cattail (Scirpus spp. - Typha spp.)

Bur-reed (Sparganium spp.)

Cattail (Typha spp.)

n. Tidally flooded temperate or subpolar grassland Cordgrass (Spartina spp.)
V.A.6. Herbaceous -- Perennial graminoid -- Temperate or subpolar grassland with a sparse tree layer k. Temporarily flooded temperate or subpolar grassland with a sparse broad-leaved evergreeen tree layer Creeping ryegrass (Leymus triticoides) with Fremont cottonwood (Populus fremontii)
V.A.7. Herbaceous -- Perennial graminoid -- Temperate or subpolar grassland with a sparse shrub layer e. Medium-tall temperate or subpolar grassland with a sparse needle-leaved or microphyllous evergreen shrub layer Big galleta (Hilaria rigida)
  h. Medium-tall temperate grassland with a sparse xeromorphic (often thorny) shrub layer Big galleta (Hilaria rigida)
m. Short temperate or subpolar grassland with a sparse xeromorphic (evergreen and/or deciduous) shrub layer Desert needlegrass (Stipa speciosum)
V.A.8. Herbaceous -- Perennial graminoid -- Temperate or subpolar grassland with a sparse dwarf-shrub layer c. Short temperate or subpolar alpine grassland with a sparse needle-leaved or microphyllous evergreen dwarf-shrub layer (e.g. dwarf-shrub meadows) Shorthair reedgrass (Calamagrostis breweri)
V.B.2. Herbaceous -- Perennial forb -- Temperate or subpolar forb vegetation b. Low temperate or subpolar perennial forb vegetation (e.g. Aleutian forb meadows) Alpine habitat

Antioch dunes unique stands

Desert sand-verbena (Abronia villosa)

Iceplant (Mesembryantheum spp.)

Sand verbena - beach bursage (Abronia spp. - Ambrosia

chamissonis)

  d. Temporarily flooded temperate perennial forb vegetation Montane meadow habitat

Subalpine meadow habitat

f. Saturated temperate perennial forb vegetation Darlingtonia (Darlingtonia californica)

Fen habitat

Pickleweed (Salicornia spp., bigelovii, virginica)

V.C.2. Herbaceous -- Hydromorphic rooted vegetation -- Temperate or subpolar hydromorphic rooted vegetation a. Permanently flooded temperate or subpolar hydromorphic rooted vegetation Pondweeds with floating leaves (Potamogeton spp.)

Pondweeds with submerged leaves (Potamogeton spp.)

Quillwort (Isoetes spp., bolanderi, echinospora, occidentalis,

nuttallii)

Yellow pond-lily (Nuphar luteum)

Ditch-grass (Ruppia spp.)

b. Permanently flooded-tidal temperate or subpolar hydromorphic rooted vegetation (e.g. temperate seagrass beds) Ditch-grass (Ruppia spp., cirrhosa, maritima)
V.D.2. Herbaceous -- Annual graminoid or forb -- temperate or subpolar annual grasslands or forb vegetation a. Tall temperate or subpolar grassland (dominated by annual graminoids) California annual grassland
  d. Short temperate annual grassland Cheatgrass (Bromus tectorum)
  h. Seasonally flooded temperate annual forb vegetation Northern basalt flow vernal pools

Northern claypan vernal pools

Northern hardpan vernal pools

Northern volcanic ashflow vernal pools

Northern volcanic mudflow vernal pools

San Diego mesa vernal pools

San Jacinto Valley vernal pools

Santa Rosa Plateau vernal pools

i. Saturated temperate annual forb vegetation Duckweed (Lemna spp.)

Mosquito fern (Azolla spp., filculoides, mexicana)

VII.C.1. Sparse vegetation -- Unconsolidated material (soil, sand, and ash) -- Sparsely vegetated sand dunes a. Dunes with sparse hebaceous vegetation Desert sand-verbena (Abronia villosa)


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