Vascular Plants of Bear Valley (Colusa County, California) James P
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Humboldt State University Digital Commons @ Humboldt State University Botanical Studies Open Educational Resources and Data 2018 Vascular Plants of Bear Valley (Colusa County, California) James P. Smith Jr Humboldt State University, [email protected] Follow this and additional works at: https://digitalcommons.humboldt.edu/botany_jps Part of the Botany Commons Recommended Citation Smith, James P. Jr, "Vascular Plants of Bear Valley (Colusa County, California)" (2018). Botanical Studies. 40. https://digitalcommons.humboldt.edu/botany_jps/40 This Flora of Northwest California: Checklists of Local Sites of Botanical Interest is brought to you for free and open access by the Open Educational Resources and Data at Digital Commons @ Humboldt State University. It has been accepted for inclusion in Botanical Studies by an authorized administrator of Digital Commons @ Humboldt State University. For more information, please contact [email protected]. A CHECKLIST OF THE VASCULAR PLANTS OF THE WALKER RIDGE - BEAR VALLEY AREA (LAKE AND COLUSA COUNTIES, CALIFORNIA) Compiled by James P. Smith, Jr. & John O. Sawyer, Jr. Department of Biological Sciences Humboldt State University Tenth Edition: 01 July 2018 Chlorogalum pomeridianum var. pomeridianum • soaproot F E R N S Dichelostemma multiflorum • wild-hyacinth Dichelostemma volubile • snake-lily, twining brodiaea Dipterostemon capitatum ssp. capitatum • blue dicks Aspidotis densa • Indian's dream Hastingsia alba • white-flowered schoenolirion Equisetum arvense • field horsetail Triteleia hyacinthina • white brodiaea Equisetum laevigatum • smooth scouring-rush Triteleia laxa • Ithuriel's spear Pellaea andromedifolia var. pubescens • coffee fern Triteleia peduncularis • long-rayed triteleia Pellaea mucronata var. mucronata • bird's-foot fern Pentagramma triangularis ssp. triangularis • goldback fern Berberidaceae Woodwardia fimbriata • western chain fern Mahonia dictyota • California barberry Boraginaceae G Y M N O S P E R M S Amsinckia intermedia • fiddleneck Cryptantha intermedia • Clearwater cryptantha Cupressus macnabiana • Macnab cypress Cynoglossum grande • hound's tongue Cupressus sargentii • Sargent cypress Heliotropium curassavicum var. oculatum • alkali heliotrope Juniperus californica • California juniper Plagiobothrys stipitatus var. micanthus Pinus attenuata • knobcone pine • vernal pool popcorn flower Pinus sabiniana • foothill pine, ghost pine, gray pine Plagiobothrys stipitatus var. stipitatus Torreya californica • California nutmeg • stipitate popcorn flower Calycanthaceae F L O W E R I N G P L A N T S Calycanthus occidentalis • California spice bush Amaranthaceae Campanulaceae Chenopodium californicum • California goosefoot Downingia insignis • cupped downingia Downingia pulchella ssp. campestris • large-flowered bluecups Amaryllidaceae Githopsis specularioides ssp. specularioides Allium amplectans • narrow-leaved onion • common blue cups Allium bolanderi • Bolander’s onion Nemacladus capillaris • common nemacladus Allium cratericola • dwarf onion Nemacladus montanus • serpentine nemacladus Allium falcifolium • serpentine onion Allium fimbriatum var. fimbriatum • fringed onion Caprifoliaceae Allium fimbriatum var. purdyi • Purdy's fringed onion Lonicera interrupta • chaparral honeysuckle Allium peninsulare • Mexicale onion Allium serra • serrated onion Caryophyllaceae Minuartia californica • California sandwort Anacardiaceae Minuartia douglasii • Douglas' sandwort Rhus aromatica var. trilobata • skunk bush sumac Petrorhagia dubia • grass pink Toxicodendron diversilobum • poison-oak Silene californica • California Indian pink Silene campanulata ssp. glandulosa • catchfly, sticky campion Apocynaceae Silene gallica • windmill pink Asclepias cordifolia • purple milkweed Silene multinerva • many-veined catchfly Asclepias fascicularis • whorled milkweed Velezia rigida • velezia Asclepias solanoana • prostrate milkweed Asclepias speciosa • showy milkweed Cistaceae Crocanthremum scoparium var. vulgare • peak rush-rose Asparagaceae Brodiaea elegans ssp. elegans • harvest brodiaea Compositae (Asteraceae) Brodiaea rosea • Indian Valley brodiaea Achillea millefolium • yarrow -1- Achyrachaena mollis • blow-wives • western morning glory Agoseris grandiflora • large-flowered agoseris Convolvulus arvensis • field bindweed Agoseris heterophylla • annual agoseris Cuscuta sp. • dodder Ancistrocarphus filagineus • woolly fishhooks Anthemis cotula • mayweed Cornaceae Arnica discoidea • rayless arnica Cornus glabrata • smooth dogwood Artemisia douglasiana • Douglas' mugwort Baccharis pilularis var. consanguinea • coyote brush Crassulaceae Baccharis salicifolia • mule fat Crassula connata • pygmy stonecrop Balsamorhiza macrolepis ssp. macrolepis Dudleya cymosa ssp. cymosa • common dudleya • California balsamroot Sedum spathulifolium • yellow sedum Calycadenia fremontii • Fremont's calycadenia Calycadenia pauciflora • small-flowered rosin weed Cruciferae (Brassicaceae) Centaurea melitensis • tocalote, Napa thistle Arabis breweri • Brewer's rock cress Centaurea solstiatilis • yellow star thistle Athysanus pusillus • common sand weed Chaenactis glabriuscula var. heterocarpha • yellow pin-cushion Brassica rapa • black mustard Cichorium intybus • chicory Capsella bursa-pastoris • shepherd's purse Cirsium cymosum • peregrine thistle Caulanthus lasiophyllus • California mustard Cirsium douglasii var. breweri • swamp thistle Descurainia sophia • flix weed, tansy mustard Cirsium occidentale var. occidentale • cobweb thistle Erysimum capitatum ssp. capitatum • western wallflower Ericameria linearifolia • narrowleaf goldenbush Hirschfeldia incana • hedge mustard Erigeron foliosus var. confinis • leafy daisy Lepidium latifolium • perennial peppergrass Eriophyllum lanatum var. achillaeoides • woolly-sunflower Lepidium nitidum • common peppergrass Filago californica • California filago Sisymbrium altissimum • tumble mustard Filago gallica • narrow-leaved filago Streptanthus breweri • Brewer's jewel flower Gnaphalium palustre • lowland cudweed Streptanthus glandulosus • sticky jewel flower Grindelia camporum var. camporum • Great Valley gumplant Streptanthus hesperidis • serpentine jewel flower Harmonia hallii • Hall's tarweed Streptanthus morrisonii • Three Peaks jewel flower Helenium bigelovii • Bigelow's sneezeweed Thelypodium brachycarpum • short-podded thelypodium Helianthella californica var. californica • California helianthella Thysanocarpus curvipes • sand fringe pod Helianthus bolanderi • serpentine sunflower Thysanocarpus laciniatus var. laciniatus • southern lacepod Hemizonella minima • opposite-leaved tarweed Hemizonia pungens • common spineweed Cucurbitaceae Hesperevax sparsiflora • slender evax Marah fabaceus var. agrestis • wild cucumber, manroot Hypochoeris glabra • smooth cat’s-ear Marah watsonii • Watson's manroot, taw manroot Hypochoeris radicata • hairy cat's-ear Lactuca serriola var. integrata • prickly lettuce Cyperaceae Lagophylla minor • lesser hareleaf Carex luzulina • woodrush sedge Lagophylla ramosissima • common hareleaf Carex nudata • torrent sedge Lasthenia californica • goldfields Carex obnupta • slough sedge Lasthenia glabrata • yellow-rayed goldfields Carex praegracilis • clustered field sedge Layia gallardioides • woodland layia Carex serratodens • two-toothed sedge Layia platyglossa • tidy tips Lessingia nemaclada • slender-stemmed lessingia Datiscaceae Madia gracilis • common tarweed Datisca glomerata • Durango root Malacothrix floccifera • woolly malacothrix Matricaria discoidea • pineapple weed Dipsacaceae Micropus californicus var. californicus • slender cottonweed Dipsacus fullonum • Fuller's teasel Microseris douglasii • Douglas' microseris Microseris laciniata ssp. laciniata • cut-leaved scorzonella Ericaceae Packera clevelandii • Cleveland’s ragwort, serpentine groundsel Arctostaphylos canescens ssp. canescens • hoary manzanita Packera eurycephalus var. eurycephalus Arctostaphylos canescens ssp. sonomensis • cut-leaved butterweed • Sonoma manzanita Packera greenei • flame butterweed Arctostaphylos glandulosa • hoary manzanita Pentachaeta exilis • meager pygmy daisy Arctostaphylos manzanita ssp. manzanita • common manzanita Psilocarphus brevissimus ssp. brevissimus Arctostaphylos viscida ssp. pulchella • white-leaved manzanita • round woolly-heads Arctostaphylos viscida ssp. vsicida • sticky manzanita Psilocarphus tenellus • slender woolly-head Rhododendron occidentale • western azalea Rigiopappus leptocladus • false wire weed Senecio vulgaris • common groundsel Euphorbiaceae Silybum marianum • milk thistle Croton setigerus • turkey mullein, dove weed Solidago velutina ssp. californica • California goldenrod Euphorbia crenulata • Chinese caps Stephanomeria virgata • twiggy wreath plant Euphorbia spathulata • reticulate-seeded spurge Uropappus lindleyi • silver puffs Wyethia angustifolia • foothill mule's-ear Fagaceae Wyethia glabra • smooth mule's-ear Notholithocarpus densiflorus • tanoak Xanthium strumarium • rough cocklebur Quercus berberidifolia • scrub oak Quercus chrysolepis • canyon live oak Convolvulaceae Quercus douglasii • blue oak Calystegia collina ssp. oxyphylla • serpentine morning glory Quercus durata var. durata • leather oak Calystegia occidentalis ssp. occidentalis Quercus lobata • valley oak -2- Quercus x morehus • oracle oak Phacelia egena • Kaweah River scorpion weed Quercus palmeri • Palmer's oak Phacelia heterophylla ssp. virgata • virgate phacelia Quercus wislizenii var. frutescens • scrub live oak Phacelia imbricata ssp. imbricata