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Herbaceous Plants

FAMILY SCIENTIFIC NAME COMMON NAME NATIVE CODE COMMENTS
Agavaceae Chlorogalum pomeridianum var. pomeridianum Wavy-Leaved Soap-Plant YES H genus previously included in Liliaceae
Alismataceae Alisma triviale Water-Plantain YES H treated as Alisma plantago-aquatica L. in The Jepson Manual [Ed.1], misapplied
Alliaceae Allium neapolitanum White Garlic NO H a small cluster of an early flowering variety of this garden escape is adjacent to the main gate. genus previously included in Liliaceae
Amaryllidaceae Narcissus Daffodil NO H an ornamental escapee
Apiaceae Anthriscus caucalis Bur-Chervil NO H abundant throughout the preserve
Daucus pusillus Rattlesnake-Weed Yes H
Lomatium utriculatum Bladder Lomatium YES H a few plants were observed on the northeast end of the preserve
Sanicula crassicaulis Pacific Sanicle YES H small population observed growing at the northeast end of the preserve
Torilis arvensis Common Hedge-Parsley NO H
Apocynaceae Asclepias eriocarpa Indian Milkweed YES H restoration planting, genus previously included in Asclepiadaceae
Vinca major Periwinkle NO H two varieties observed, one with variegated leaves. many patches
Araceae Lemna minuta Least Duckweed YES H collected from a small perennial pond. genus previously included in Lemnaceae
Asteraceae Anthemis arvensis Corn Chamomile NO H unscented, receptacle chaffy throughout
Artemisia douglasiana Mugwort YES H Other common names include: Douglas' Mugwort, California Mugwort
Bidens frondosa Sticktight YES H adjacent Butte Creek and marshy areas
Carduus pycnocephalus Italian Plumeless-Thistle NO H scattered along creek edge
Centaurea solstitialis Yellow Star-Thistle NO H NOXIOUS WEED, C List
Cichorium intybus Chicory NO H
Cirsium vulgare Bull Thistle NO H
Conyza canadensis Canadian Horseweed YES H
Erigeron pumilus var. intermedius Hairy Daisy YES H a low growing and densely flowering restoration planting. 
Eriophyllum lanatum var. grandiflorum Large-Flowered Woolly-Sunflower YES H
Gnaphalium luteoalbum Weedy Cudweed NO H
Grindelia hirsutula var. davyi Foothill Gumplant YES H restoration planting?
Hedypnois cretica Crete Weed NO H observed on gravel bars and along trails. still flowering strongly in early November
Heterotheca grandiflora Telegraph-Weed YES H
Hypochaeris glabra Smooth Cat's-Ear NO H
Lactuca serriola Prickly Lettuce NO H
Lagophylla glandulosa Glandular Hareleaf YES H
Lasthenia californica California Goldfields YES H only a few flowers of this common spring annual were seen 
Lessingia nemaclada Slender-Stemmed Lessingia YES H
Logfia gallica Narrow-Leaved Filago NO H treated as Filago gallica L. in The Jepson Manual [Ed. 1]
Madia gracilis Slender Tarweed YES H a single small population observed 
Matricaria matricarioides Common Pineapple-Weed YES H there is some question as to whether this is a native or introduced species. treated as Chamomilla suaveolens (Pursh) Rydb. in the Jepson Manual [Ed.1]
Micropus californicus var. californicus Slender Cottonweed, Q-Tips YES H
Pseudognaphalium beneolens Fragrant Cudweed YES H treated as Gnaphalium canescens DC. subsp. beneolens (Davidson) Stebbins & D.J.Keil in The Jepson Manual [Ed.1]
Psilocarphus tenellus Slender Wooly-Marbles YES H common on disturbed roadway and inner parking area
Senecio vulgaris Old-Man-In-The-Spring NO H
Silybum marianum Milk-Thistle NO H
Solidago velutina subsp. californica  California Goldenrod YES H restoration plantings. treated as Solidago californica Nutt. in The Jepson Manual {Ed.1]
Soliva sessilis  Lawn Burweed NO H
Sonchus oleraceus Common Sow-Thistle NO H observed in a disturbed section of the riparian zone
Sonchus asper subsp. asper Spiny-Leaved Sow-Thistle NO H
Symphyotrichum chilense  California Aster YES H treated as Aster chilensis Nees in The Jepson Manual [Ed. 1]
Tragopogon dubius Yellow Salsify NO H
Uropappus lindleyi Silverpuffs YES H
Xanthium strumarium Cocklebur YES H
Boraginaceae Amsinckia menziesii var. intermedia Common Fiddleneck YES H
Cryptantha flaccida Weak-Stemmed Cryptantha YES H
Heliotropium europaeum European Heliotrope NO H gravels bars
Myosotis latifolia Common Forget-Me-Not NO H a few plants growing on the upper flood plain of Butte Creek
Phacelia egena Rock Phacelia YES H two small plants observed. genus previously included in Hydrophyllaceae
Brassiaceae Barbarea verna Early Wintercress NO H growing on soils adjacent to creek. a yellow flower, somewhat squarish stemmed mustard with 6-10 pairs of lateral leaflets on basal leaves
Brassica nigra Black Mustard NO H a few plants observed growing along edge of parking lot. the lack of a developing seed in the fruit beak separates this plant from the locally abundant Hirschfeldia
Capsella bursa-pastoris Shepherd's-Purse NO H
Cardamine oligosperma Western Bittercress YES H common and scattered throughout the preserve
Draba verna subsp. verna Spring Witlow-Grass YES H
Hirschfeldia incana Mediterranean Hoary-Mustard NO H
Lepidium nitidum var. nitidum Shining Pepper-Grass YES H
Lepidium strictum Upright Pepper-Grass NO H
Lunaria annua Moonwort, Money Plant NO H
Nasturtium officinale Watercress YES H treated as Rorippa nasturtium-aquaticum (L.) Hayek in The Jepson Manual [Ed. 1]
Rorippa curvisiliqua Western Yellowcress YES H on gravel bars and a vernal swell on the north-west boundary of the preserve. sub-species not recognized in the Jepson Manual
Thysanocarpus curvipes Clasping-Leaved Fringepod YES H common and scattered throughout the preserve
Callitrichacaea Callitriche marginata  Winged Water-Starwort YES H collected from a pool within the riparian zone
Callitriche heterophylla var. bolanderi Variable-Leaved Water-Starwort YES H collected from a shallow pool near the north-west property line. plants both in water and stranded on mud
Caryophyllaceae Petrorhagia dubia Grass-Pink NO H
Saponaria officinalis Bouncing-Bet NO H
Scleranthus annuus subsp. annuus Knawel NO H
Silene gallica Windmill-Pink NO H
Spergularia rubra Ruby Sandspurry NO H observed on disturbed roadbed
Stellaria media Common Chickweed NO H
Velezia rigida Velezia NO H common on disturbed soil around sheds and restoration site
Ceratophyllaceae Ceratophyllum demersum Hornwort YES H immersed aquatic, collected from small pond in riparian zone
Chenopodiaceae Chenopodium album Lamb's-Quarters NO H growing in clearing in riparian zone
Dysphania ambrosioides Mexican-Tea NO H treated as Chenopodium ambrosioides L. in The Jepson Manual [Ed.1]
Dysphania botrys Jerusalem-Oak NO H treated as Chenopodium botrys L. in The Jepson Manual [Ed.1]
Convolvulaceae Calystegia occidentalis subsp. occidentalis Western Morning-Glory YES H
Convolvulus arvensis Bindweed NO H
Crassulaceae Crassula connata Pigmyweed YES H
Crassula tillaea Mossy Pigmyweed NO H growing in shallow depressions near trails and old roadbed
Dudleya cymosa subsp. cymosa Canyon Dudleya YES H
Cyperaceae Carex barbarae Santa Barbara Sedge YES H
Carex deweyana subsp. leptopoda Short-Scaled Sedge YES H
Carex feta Green-Sheathed Sedge YES H
Carex nudata Torrent Sedge YES H scattered along edge of Butte Creek. some appear to be restoration plantings
Carex subfusca Rusty Slender Sedge YES H growing on gravel bar at edge of Butte Creek
Cyperus eragrostis Tall Cyperus YES H sand and gravel bars along Butte Creek
Cyperus erythrorhizos Red-Rooted Cyperus YES H growing on gravel bar at edge of Butte Creek
Cyperus flavescens Yellow Cyperus NO H growing on gravel bar at edge of Butte Creek
Cyperus strigosus False Nutsedge YES H sand and gravel bars along Butte Creek
Eleocharis macrostachya Pale Spike-Rush YES H observed in a drying vernal swell near the north-west preserve boundary
Lipocarpha micrantha Small-Flowered Lipocarpha YES H collected from sand/gravel bar along Butte Creek
Elatinaceae Elatine ambigua Rice-Field Waterwort NO H plants growing on a vernal flat near the north-west preserve boundary. no flowers observed and identification uncertain
Euphorbiaceae Chamaesyce maculata Spotted Spurge NO H native to eastern United States
Chamaesyce serpyllifolia subsp. serpyllifolia Thyme-Leaved Spurge YES H
Croton setigerus Turkey Mullein YES H treated as Eremocarpus setigerus in The Jepson Manual [Ed. 1]
Euphorbia peplus Petty Spurge NO H plants growing among restoration plantings near the storage area
Fabaceae Acmispon brachycarpus Foothill Lotus YES H treated as Lotus humistratus in The Jepson Manual [Ed. 1]
Acmispon parviflorus Small-Flowered Lotus YES H treated as Lotus micranthus in The Jepson Manual [Ed. 1]
Acmispon americanus var. americanus Spanish Lotus YES H treated as Lotus purshianus var. purshianus in The Jepson Manual [Ed. 1]
Lathyrus tingitanus Tangier Pea NO H abundant throughout the preserve
Lupinus albifrons var. albifrons Silver Bush-Lupine YES S existing and restoration planted shrubs
Lupinus bicolor Bicolored Lupine YES H
Lupinus microcarpus var. densiflorus White-Whorled Lupine YES H several plants observed in two locations on a rocky overflow channel near the creek
Lupinus nanus Sky Lupine YES H
Lupinus polycarpus Small-Flowered Lupine YES H included in L. bicolor in the Jepson Manual, but seems to be distinct in our area
Medicago lupulina Black Medick NO H
Medicago polymorpha Common Bur-Clover NO H
Medicago praecox Mediterranean Bur-Clover NO H
Melilotus albus White Sweet-Clover NO H
Melilotus indicus Indian Sweet-Clover NO H
Trifolium dubium Little Hop Clover NO H
Trifolium glomeratum Sessile-Headed Clover NO H common on disturbed soil
Trifolium hirtum Rose Clover NO H
Trifolium microcephalum Small-Headed Clover YES H a small population located on dry open ground
Trifolium subterraneum Subterranean Clover NO H scattered populations
Trifolium willdenovii Tomcat Clover YES H a few scattered plants observed
Vicia sativa subsp. nigra Garden Vetch NO H
Vicia sativa subsp. sativa Garden Vetch NO H
Vicia villosa subsp. varia Winter Vetch NO H
Gentianaceae Cicendia quadrangularis Timwort YES H a small population observed on edge of old roadbed
Zeltnera venusta Canchalagua YES H treated as Centaurium venustum (A.Gray) B.L.Rob in The Jepson Manual [Ed.1]
Geraniaceae Erodium brachycarpum Short-Fruited Stork's-Bill NO H
Erodium botrys Long-Beaked Stork's-Bill NO H
Erodium cicutarium Red-Stemmed Filaree NO H
Erodium moschatum White-Stemmed Filaree NO H abundant
Geranium dissectum Cut-Leaved Geranium NO H
Geranium molle Dove's-Foot Geranium NO H
Hydrocharitaceae Elodea canadensis Canadian Waterweed YES H collected in a backwater eddy
Hypericaceae Hypericum perforatum Klamathweed NO H
Juncaceae Juncus acuminatus Sharp-Fruited Rush YES H several populations growing at water edge along Butte Creek
Juncus articulatus Jointed Rush YES H 0
Juncus bufonius var. bufonius Common Toad Rush YES H
Juncus capitatus Leafy-Bracted Dwarf Rush NO H
Juncus effusus var. exiguus  Short Rush YES H
Lamiaceae Lamium amplexicaule Giraffehead NO H
Lycopus americanus Cut-Leaved Bugleweed YES H gravel bars
Marrubium vulgare Horehound NO H
Melissa officinalis Lemon-Balm NO H
Mentha arvensis American Wild Mint YES H
Mentha pulegium Pennyroyal NO H gravel bar along creek
Mentha spicata var. spicata Spearmint NO H
Prunella vulgaris var. lanceolata Mountain Selfheal YES H
Scutellaria sp. Skullcap YES H only a few post flowering/fruit plants observed
Stachys ajugoides var. rigida Rigid Hedge-Nettle YES H
Stachys pycnantha Short-Spiked Hedge-Nettle YES H
Trichostema lanceolatum Vinegar-Weed YES H
Loasaceae Mentzelia laevicaulis Giant Blazingstar YES H common on the open ground north of creek riparian zone
Lythraceae Lythrum hyssopifolia Hyssop Loosestrife NO H spelling of epithet corrected from "hyssopifolium" in The Jepson Manual [Ed. 1]
Molluginaceae Mollugo verticillata Indian-Chickweed NO H
Montiaceae Claytonia parviflora subsp. parviflora Small-Flowered Miner's-Lettuce YES H common in the wooded areas around the base of Gray Pines, often with variegated leaves. genus previously included in Portulacaceae
Claytonia perfoliata subsp. perfoliata Common Miner's-Lettuce YES H genus previously included in Portulacaceae
Myrsinaceae Anagallis arvensis Scarlet Pimpernel NO H genus previously included in Primulaceae
Onagraceae Clarkia purpurea subsp. quadrivulnera Purple Clarkia YES H
Epilobium brachycarpum Tall Annual Willowherb YES  H
Epilobium canum subsp. latifolium California-Fuschia YES H/S restoration planting
Epilobium ciliatum subsp. ciliatum Fringed Willowherb YES H gravel bars
Epilobium densiflorum Dense-Flowered Spike-Primrose YES H gravel bars
Ludwigia peploides subsp. peploides Yellow Waterweed YES H growing in a slough and adjacent moist bank
Oxalidaceae Oxalis corniculata Creeping Wood-Sorrel NO H adjacent greenhouse, has a clover like leaf
Oxalis pes-caprae Bermuda-Buttercup NO H growing in moist disturbed area near storage area
Papaveraceae Eschscholzia californica subsp. californica California-Poppy YES H
Phrymaceae Mimulus cardinalis Scarlet Monkey-Flower YES H large showy patches occasional along creek. genus previously included in Scrophulariaceae
Mimulus glaucescens Shield-Bracked Monkey-Flower YES H growing on gravel bar. CNPS List 4. genus previously included in Scrophulariaceae
Mimulus guttatus Seep Monkey-Flower YES H gravel bars. genus previously included in Scrophulariaceae
Mimulus moschatus Musk Monkey-Flower YES H moist soil along creek. genus previously included in Scrophulariaceae
Plantaginaceae Kickxia elatine Sharp-Leaved Fluellin NO H genus previously included in Scrophulariaceae
Penstemon heterophyllus var. purdyi Purdy's Beardtongue YES H genus previously included in Scrophulariaceae
Plantago elongata Elongate Plantain YES H
Plantago erecta Erect Plantain YES H
Plantago lanceolata English Plantain NO H
Plantago major Common Plantain NO H
Veronica americana American Brook Lime YES H genus previously included in Scrophulariaceae
Polemoniaceae Collomia heterophylla Variable-Leaved Collomia YES H
Polygonaceae Eriogonum nudum var. pubiflorum Hairy-Flowered Buckwheat YES H
Eriogonum luteolum var. luteolum Wicker Buckwheat YES H common on most open rocky or dry soil. some species in area would also key to E. vimineum.
Polygonum aviculare subsp. depressum Common Knotweed NO H treated as Polygonum arenastrum Boreau in The Jepson Manual [Ed.1], misapplied
Persicaria hydropiper  Water-Pepper NO H treated in The Jepson Manual [ED.1] as Polygonum hydropiper L.
Persicaria lapathifolia Willow-Weed YES H treated in The Jepson Manual [Ed.1] as Polygonum lapathifolium L.
Persicaria maculosa  Lady's-Thumb NO H treated in The Jepson Manual [ED.1] as Polygonum persicaria L.
Persicaria punctata Dotted Smartweed YES H treated in The Jepson Manual [Ed.1] as Polygonum punctatum Elliott 
Rumex crispus Curly Dock NO H
Rumex pulcher Fiddle Dock NO H
Rumex salicifolius Willow Dock YES H intraspecific taxa not recognized in The Jepson Manual [Ed.2]
Ranunculaceae Ranunculus muricatus Prickle-Seeded Buttercup NO H growing in a moist, shallow depression near storage area
Rosaceae Aphanes occidentalis Western Lady's-Mantle YES H
Drymocallis glandulosa subsp. glandulosa Sticky Cinquefoil YES H observed growing along a trail at edge of riparian zone south of storage area. treated as Potentilla glandulosa Lindl. subsp. glandulosa in The Jepson Manual [Ed.1]
Rubiaceae Crucianella angustifolia Crosswort NO H
Galium aparine Cleavers YES H
Galium parisiense Wall Bedstraw NO H
Galium porrigens var. tenue Narrow-Leaved Climbing Bedstraw YES H a few plants observed in several locations, near oaks
Saxifragaceae Darmera peltata Indian-Rhubarb YES H plants observed on a rocky gravel bar, a singe plant observed on a rocky gravel bar 
Scrophulariaceae Castilleja attenuata Valley-Tassels YES H
Triphysaria eriantha subsp. eriantha Johnnytuck YES H one small population observed 
Verbascum blattaria Moth Mullein NO H
Verbascum thapsus Woolly Mullein NO H
Solanaceae Nicotiana acuminata var. multiflora Many-Flowered Tobacco NO H occasional on gravel bars, also observed on a drainage area in dry brushy woodland
Solanum americanum American Black Nightshade YES H gravel bars
Solanum parishii Parish's Nightshade YES H a single plant observed growing on a bank above the creek on the northeast end of the preserve
Themidaceae Brodiaea californica var. californica California Brodiaea YES H single plant observed in restoration garden site. plant stem broken off and I was not able to confirm it growing on site. genus previously included in Liliaceae
Brodiaea elegans subsp. elegans Elegant Brodiaea YES H one plant observed growing out of Vinca adjacent to road leading to storage sheds. genus previously included in Liliaceae
Dichelostemma capitatum subsp. capitatum Bluedicks YES H genus previously included in Liliaceae
Triteleia bridgesii Bridges' Triteleia YES H one plant seen in flower. genus previously included in Liliaceae
Typhaceae Typha latifolia Broad-Leaved Cattail YES H
Viscaceae Arceuthobium campylopodum Dwarf Gray Pine Mistletoe YES H growing on foothill pines. treated as Arceuthobium occidentale Engelm. in The Jepson Manual [Ed.1]
Phoradendron serotinum subsp. macrophyllum  Big-Leaved Mistletoe YES H growing on cottonwood. treated as Phoradendron macrophyllum (Engelm.) Cockerell in The Jepson Manual [Ed.1]
Zygophyllaceae Tribulus terrestris Puncture-Vine NO H small scattered populations