A Carrizo Plain National Monument sign stands in a large valley with mountains in the background.
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Atwell Island Herbarium


This Herbarium lists the plants on the Atwell Island Restoration Project.  Its most recent update was February, 2010.

Family and Scientific name
Common name
 
 
Aceraceae – Maple Family
 
Acer negundo
Box Elder
 
 
Aizoaceae – Fig-Marigold Family
 
Sesuvium verrucosum
Western Sea-purslane
Trianthema portulacastrum
Horse Purslane
 
 
Alismataceae – Water-plantain Family
 
Echinadorus berteroi
Upright Burhead
 
 
Amaranthaceae – Pigweed Family
 
Amaranthus hybridus
Smooth Pigweed.
 
 
Asclepiadaceae – Milkweed Family
 
Asclepias fascicularis
Narrow-leaf Milkweed
 
 
Asteraceae – Sunflower Family
 
Acroptilon [Centaurea] repens
Russian Knapweed
Ambrosia acanthicarpa
Annual Bursage
Ambrosia artemesiifolia
Annual Ragweed
Artemesia douglasiana
Mugwort
Aster subulatus var. ligulatus
Slender Aster
Baccharis salicifolia
Mule fat
Carthamus tinctorius
Safflower
Centaurea melitensis
Tocalote
Cirsium vulgare
Bull Thistle
Conyza canadensis
Horseweed
Conyza coulteri
Coulter’s Conyza
Eclipta prostrata
False Daisy
Gnaphalium luteo-album
Weedy Cudweed
Gnaphalium stramineum (=G. chilense)
Cotton-batting Plant
Grindelia camporum
Great Valley Gumweed
Helianthus annuus
Common Sunflower
Hemizonia pungens ssp. pungens
Common Spikeweed
Isocoma acradenia
Pale-leaf Goldenbush
Lactuca serriola
Prickly Lettuce
Lasthenia californica
Gold Fields
Lasthenia ferrisiae
Alkali Daisy
Layia glandulosa
White Layia
Layia pentachaeta ssp. albida
Layia
Lessingia glandulifera var. glandulifera
Valley Lessingia
Malacothrix coulteri
Snake's-head
Pluchea odorata
Marsh Fleabane
Senecio vulgaris
Common Groundsel
Sonchus arvensis
Perennial Sow Thistle
Sonchus asper
Prickly Sow Thistle
Sonchus oleraceus
Common Sow Thistle
Stephanomeria virgata var.pleurocarpa
Tall Stephanomeria
Taraxacum officinale
Dandelion
Uropappus lindleyi
Silver Puffs
Xanthium strumarium
Cocklebur
 
 
Boraginaceae – Borage Family
 
Amsinckia menziesii var. menziesii
Rancher's Fireweed
Heliotropium curassavicum
Alkali Heliotrope
Pectocarya linearis spp. ferocula
Slender Pectocarya
Pectocarya linearis
Sagebrush Combseed
Pectocarya penicillata
Sleeping Combseed
Plagiobothrys canescens
Valley Popcorn Flower
 
 
Brassicaceae – Mustard Family
 
Brassica nigra
Black Mustard
Capsella bursa-pastoris
Shepherd's Purse
Coronopus didymus
Lesser Wart-cress
Descurainia sophia
Tansy Mustard or Flaxweed
Guillenia [Thelypodium] lasiophylla
California Mustard
Lepidium dictyotum
Peppergrass
Lepidium nitidum var. nitidum
Common Peppergrass
Raphanus raphanistrum
Wild Radish
Sinapis arvensis (formerly Brassica Kaber)
Wild Mustard
Sisymbrium irio
London Rocket
 
 
Capparaceae – Caper Family
 
Isomeris arborea
Bladderpod
 
 
Caprifoliaceae – Honeysuckle Family
 
Sambucus mexicana
Blue Elderberry
 
 
Caryophyllaceae – Pink Family
 
Spergularia marina
Salt-marsh Sand Spurrey
Stellaria media
Common Chickweed
 
 
Chenopodiaceae – Goosefoot Family
 
Allenrolfea occidentalis
Iodine Bush
Atriplex argentea
Silverscale
Atriplex coronata var. coronata
Crownscale
Atriplex lentiformis
Quail Bush
Atriplex patula
Spear Oracle
Atriplex polycarpa
Valley Saltbush
Atriplex semibaccata
Australian Salt Bush
Atriplex spinifera
Spiny Saltbush
Bassia hyssopifolia
Five-hook Bassia
Beta vulgaris
Beet
Chenopodium album
Lambsquarters
Chenopodium botrys
Jerusalem-oak Goosefoot
Monolepis nuttalliana
Poverty Weed
Salsola tragus
Russian Thistle, Tumbleweed
Suaeda moquinii
Bush Seepweed
 
 
Convolvulaceae – Morning-glory Family
 
Convolvulus arvensis
Field Bindweed
Cressa truxillensis
Alkali Weed
Ipomoea nil
Ivy Morning-glory
 
 
Crassulaceae – Stonecrop Family
 
Crassula connata
Pygmy-weed
 
 
Cucurbitaceae – Gourd Family
 
Citrullus colocynthis var. citroides
Citron
 
 
Cuscutaceae – Dodder Family
 
Cuscuta californica var. californica
California Dodder
 
 
Cyperaceae – Sedge Family
 
Cyperus acuminatus
Nutsedge
Eleocharis macrostachya
Pale Spike-rush
Scirpus acutus
Tule
Scirpus maritimus
Prairie Bulrush
 
 
Euphorbiaceae – Spurge Family
 
Eremocarpus setigerus
Dove Weed
Chamaesyce spp.
Spurge
 
 
Fabaceae – Legume Family
 
Astragalis didymocarpus var. didymocarpus
Two-seeded Milkvetch
Lotus wrangelianus
Calf Lotus
Medicago polymorpha
Burclover
Medicago sativa
Alfalfa
Melilotus alba
White Sweetclover
Melilotus indica
Annual Yellow Sweetclover
 
 
Frankeniaceae – Frankenia Family
 
Frankenia salina
Alkali Heath
 
 
Geraniaceae – Geranium Family
 
Erodium cicutarium
Red-stem Filaree
 
 
Hydrophyllaceae – Waterleaf Family
 
Phacelia ciliata
Valley Phacelia
 
 
Juncaceae – Rush Family
 
Juncus mexicanus
Mexican Rush
 
 
Lamiaceae – Mint Family
 
Lycopus americanus
American Water Horehound
Trichostema ovatum
San Joaquin Bluecurls
 
 
Lemnaceae – Duckweed Family
 
Lemna minor
Least Duckweed
 
 
Lythraceae – Loosestrife Family
 
Lythrum californicum
California Loosestrife
 
 
Malvaceae – Mallow Family
 
Abutilon theophrasti
Velvetleaf
Eremalche parryi
Perry’s Mallow
Malva parviflora
Cheeseweed
Malvella leprosa
Alkali Mallow
 
Marsileaceae – Marsilea Family
 
Marsilea vestita ssp. vestita    
Hairy Waterclover
 
 
Martyniaceae – Unicorn-Plant Family
 
Proboscidea louisianica
Common Unicorn Plant
 
 
Oleaceae – Olive Family
 
Fraxinus latifolia
Oregon Ash
 
 
Platanaceae – Sycamore Family
 
Plantanus racemosa
Western Sycamore
 
 
Poaceae – Grass Family
 
Arundo donax
Giant Reed
Avena fatua
Wild Oat
Avena sativa
Cultivated Oat
Bromus arizonicus
Arizona Brome
Bromus diandrus
Rip-gut Brome
Bromus hordeaceus
Soft Chess
Bromus madritensis spp. rubens
Red Brome
Chloris virgata
Feather Finger Grass
Crypsis schoenoides
Swamp Timothy
Cynodon dactylon
Bermuda Grass
Distichlis spicata
Saltgrass
Echinochloa crus-galli
Water Grass
Eriochloa acuminata var. acuminata
Cup Grass
Eriochloa contracta
Prairie Cupgrass
Hordeum brachyantherum
Meadow Barley
Hordeum depressum
Low Barley
Hordeum murinum ssp. glaucum
Foxtail
Hordeum vulgaris
Domestic Barley
Leptochloa fascicularis
Bearded Sprangletop
Leymus triticoides
Creeping Wild Rye
Lolium multiflorum
Italian Rye Grass
Paspalum distichum
Knotgrass
Phalaris canariensis
Canary Grass
Phalaris minor
Lesser Canary Grass
Poa annua
Annual Bluegrass
Polypogon monspeliensis
Rabbit-foot Grass
Schismus arabicus
Mediterranean Grass
Setaria pumila
Yellow Bristlegrass
Sorghum bicolor
Milo
Sorghum halepense
Johnsongrass
Sporobolus airoides
Alkali Sacaton
Vulpia microstachys
Small Fescue
Vulpia myuros var. hirsuta
Rat-tail Fescue
 
 
Polemoniaceae – Phlox Family
 
Eriastrum Hooveri
Hoover's Woolly-star
Gilia tricolor spp. diffusa
Bird's-eye Gilia
Linanthus linifloras ssp. pharnaceoides
Narrowflower, Flaxflower
 
 
 
 
Polygonaceae – Buckwheat Family
 
Eriogonum angulosum
Angle-stemmed Buckwheat
Eriogonum gracillimum
Slender-stemmed Buckwheat
Polygonum amphibium
Water Smartweed
Polygonum arenastrum
Dooryard Knotweed
Rumex crispus
Curly Dock
Rumex stenophyllus
Narrowleaf Dock
 
 
Portulacaceae – Purslane Family
 
Calandrinia ciliata
Red Maids
Claytonia perfoliata
Miner’s Lettuce
Portulaca oleracea
Purslane
 
 
Rosaceae – Rose Family
 
Rosa californica
California Rose
 
 
Rubiaceae – Madder Family
 
Cephalanthus occidentalis
California Button Willow
 
 
Salicaceae – Willow Family
 
Populus fremontii
Fremont Cottonwood
Salix gooddingii
Goodding’s Black Willow
Salix sessilifolia
Sandbar Willow
 
 
Saururaceae – Lizardtail Family
 
Anemopsis californica
Yerba Mansa
 
 
Scrophulariaceae – Figwort Family
 
Castilleja brevistyla
Short-Style Owls Clover
Castilleja exserta
Purple Owls-clover
 
 
Solanaceae – Nightshade Family
 
Datura ferox
Desert Thornapple
Datura wrightii
Jimson Weed
Physalis acutifolia
Wright's Groundcherry
Physalis lancifolia
Groundcherry
Solanum americanum
Mock Black Nightshade
Solanum elaeagnifolium
Silverleaf Nightshade
Solanum sarrachoides
Hairy Nightshade
 
 
Tamaricaceae – Tamarisk Family
 
Tamarix spp.
Salt Cedar
 
 
Typhaceae – Cattail Family
 
Typha angustifolia
Narrow-leafed Cattail
 
 
Viscaceae – Mistletoe Family
 
Phoradendron macrophyllum
Bigleaf Mistletoe
 
 
Zygophyllaceae – Caltrop Family
 
Tribulus terrestris
Puncture Vine
 

     For additional information, please contact:
     Manager, Atwell Island Project
     Bakersfield Field Office
     Bureau of Land Management 
     3801 Pegasus Drive
     Bakersfield, CA 93308 
      
     Telephone:  (661) 391-6000
     Fax:             (559) 949-8489
     email:           Please click on this link
 
      Atwell Island Project Page