Prefumo Canyon Checklist—09Jun19
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Checklist1 of Vascular Flora Prefumo Canyon Road Corridor, San Luis Range San Luis Obispo County, California (09 June 2019) David J. Keil Robert F. Hoover Herbarium Biological Sciences Department California Polytechnic State University San Luis Obispo, California Scientific Name Common Name Family Rare n ❀ Achillea millefolium yarrow ASTERACEAE x n ❀ Achyrachaena mollis blow wives ASTERACEAE x n ❀ Acmispon americanus var. americanus Spanish-clover FABACEAE x n Acmispon brachycarpus shortpod deervetch FABACEAE x n ❀ Acmispon glaber var. glaber common deerweed FABACEAE x n Acmispon junceus var. junceus common rush deerweed FABACEAE x 1 Please notify the author of additions or corrections to this list ([email protected]). ❀ — See Wildflowers of San Luis Obispo, California, second edition (2018) for photograph. Most are illustrated in the first edition as well; old names for some species in square brackets. n — California native i — exotic species, introduced to California, naturalized or waif. v — documented by one or more specimens (Consortium of California Herbaria record; specimen in OBI; or collection that has not yet been accessioned) o — observed during field surveys; no voucher specimen known Rare—California Rare Plant Rank Scientific Name Common Name Family Rare n Acmispon parviflorus miniature deervetch FABACEAE x n ❀ Acourtia microcephala sacapelote ASTERACEAE x n ❀ Adelinia grandis Pacific hound's tongue BORAGINACEAE x n ❀ Adenostoma fasciculatum var. fasciculatum chamise ROSACEAE x n Adiantum jordanii California maidenhair fern PTERIDACEAE x n ❀ Agoseris grandiflora var. grandiflora large-flowered mountain- ASTERACEAE x dandelion n Agrostis densiflora California bentgrass POACEAE x n Agrostis exarata western bentgrass, spike POACEAE x bentgrass n Agrostis pallens San Diego bentgrass POACEAE x i Aira caryophyllea silver hairgrass POACEAE x i Amaryllis belladonna naked ladies AMARYLLIDACEAE x i ❀ Anthemis cotula mayweed, dog-fennel ASTERACEAE x n Aphanes occidentalis western parsley-piert ROSACEAE x n Apocynum cannabinum Indian-hemp APOCYNACEAE x n ❀ Aquilegia eximia serpentine columbine RANUNCULACEAE x n ❀ Arctostaphylos obispoensis bishop manzanita ERICACEAE 4.3 x n ❀ Artemisia californica California sagebrush ASTERACEAE x n ❀ Artemisia douglasiana mugwort ASTERACEAE x i Avena barbata slender wild oats POACEAE x i Avena fatua common wild oats POACEAE x n ❀ Baccharis glutinosa marsh baccharis ASTERACEAE x n ❀ Baccharis pilularis coyote bush ASTERACEAE x n ❀ Barbarea orthoceras American wintercress BRASSICACEAE x Scientific Name Common Name Family Rare i Barbarea verna early wintercress BRASSICACEAE ? n Bloomeria crocea var. crocea common goldenstar THEMIDACEAE x i Brachypodium hybridum false brome POACEAE x n Brickellia californica California brickellbush ASTERACEAE x i Briza maxima rattlesnake grass, quaking POACEAE x grass i Briza minor little quaking grass POACEAE x n Bromus carinatus var. carinatus California brome POACEAE x i Bromus diandrus ripgut brome POACEAE x i Bromus hordeaceus soft chess brome POACEAE x i Bromus madritensis foxtail chess POACEAE x n Bromus pseudolaevipes woodland brome POACEAE x i Bromus rubens red brome POACEAE x n ❀ Calandrinia menziesii [Calandrinia ciliata] red maids MONTIACEAE x n ❀ Calochortus albus fairy lantern LILIACEAE x n ❀ Calochortus argillosus clay mariposa lily LILIACEAE x n ❀ Calochortus clavatus var. clavatus club-haired mariposa lily LILIACEAE 4.3 x n ❀ Calochortus obispoensis San Luis Obispo star-tulip LILIACEAE 1B.2 x n ❀ Calystegia macrostegia subsp. cyclostegia coast morning glory CONVOLVULACEAE x n ❀ Calystegia subacaulis subsp. episcopalis San Luis Obispo morning CONVOLVULACEAE 4.2 x glory, Cambria morning glory n ❀ Cardamine californica milk maids, rain bells, BRASSICACEAE x California toothwort i Cardamine hirsuta hairy bittercress BRASSICACEAE v n Cardamine oligosperma little bittercress BRASSICACEAE v Scientific Name Common Name Family Rare i ❀ Carduus pycnocephalus Italian thistle ASTERACEAE x n Carex nudata torrent sedge CYPERACEAE x n Carex obispoensis San Luis Obispo sedge CYPERACEAE 1B.2 x n Carex serratodens saw-toothed sedge CYPERACEAE x n ❀ Castilleja affinis subsp. affinis coast Indian paintbrush OROBANCHACEAE x n ❀ Castilleja densiflora subsp. obispoensis San Luis Obispo owl's-clover OROBANCHACEAE 1B.2 x n ❀ Ceanothus cuneatus var. ramulosus coast buckbrush RHAMNACEAE x n ❀ Ceanothus papillosus wartleaf ceanothus RHAMNACEAE x n ❀ Ceanothus spinosus greenbark ceanothus RHAMNACEAE x i Cenchrus longisetus feathertop fountaingrass POACEAE x i ❀ Centaurea calcitrapa purple star-thistle ASTERACEAE x i ❀ Centaurea melitensis tocalote, Maltese star thistle ASTERACEAE x i Cerastium glomeratum annual mouse-ear chickweed CARYOPHYLLACEAE x n ❀ Cercocarpus betuloides var. betuloides birch-leaf mountain- ROSACEAE x mahogany i Chasmanthe floribunda South African corn-flag IRIDACEAE x n ❀ Chlorogalum pomeridianum var. common soap plant AGAVACEAE x pomeridianum i ❀ Chondrilla juncea skeleton weed ASTERACEAE x n ❀ Chorizanthe breweri Brewer's spineflower POLYGONACEAE 1B.3 x n ❀ Chorizanthe palmeri Palmer's spineflower POLYGONACEAE 4.2 x i ❀ Cichorium intybus chicory ASTERACEAE x n Cirsium brevistylum Indian thistle ASTERACEAE x n ❀ Cirsium fontinale var. obispoense Chorro Creek bog thistle ASTERACEAE 1B.2 x i ❀ Cirsium vulgare bull thistle ASTERACEAE x Scientific Name Common Name Family Rare n ❀ Clarkia bottae punchbowl clarkia ONAGRACEAE x n ❀ Clarkia unguiculata elegant clarkia ONAGRACEAE x n Claytonia exigua subsp. exigua pale spring beauty MONTIACEAE x n Claytonia parviflora subsp. viridis narrow-leaved miner's lettuce MONTIACEAE ? n ❀ Claytonia perfoliata subsp. perfoliata common miner's lettuce MONTIACEAE x n ❀ Clematis ligusticifolia virgin's bower RANUNCULACEAE x n ❀ Clinopodium douglasii yerba buena LAMIACEAE x n ❀ Collinsia heterophylla common Chinese houses PLANTAGINACEAE x i ❀ Conium maculatum poison hemlock APIACEAE x i ❀ Convolvulus arvensis bindweed, field morning glory CONVOLVULACEAE x n ❀ Cordylanthus rigidus subsp. rigidus thread-leaved bird's-beak OROBANCHACEAE x n ❀ Corethrogyne filaginifolia California-aster ASTERACEAE x n ❀ Cornus sericea subsp. sericea red-osier dogwood CORNACEAE x i Cortaderia jubata jubata grass POACEAE x i Cotoneaster pannosus silverleaf cotoneaster ROSACEAE x n ❀ Crassula connata common pygmyweed CRASSULACEAE x i Crassula tillaea moss pygmyweed CRASSULACEAE x n ❀ Croton setiger turkey-mullein EUPHORBIACEAE x n ❀ Cryptantha clevelandii var. florosa coastal cryptantha BORAGINACEAE x n ❀ Cuscuta subinclusa canyon dodder CONVOLVULACEAE x i Cynodon dactylon Bermuda grass POACEAE x i Cynosurus echinatus dogtail grass POACEAE x n Cyperus eragrostis common umbrella sedge CYPERACEAE x Scientific Name Common Name Family Rare i Cyperus involucratus garden umbrella sedge, CYPERACEAE x umbrella plant i Dactylis glomerata orchard grass POACEAE x n Danthonia californica California oatgrass POACEAE x n Daucus pusillus American wild carrot APIACEAE x n ❀ Delairea odorata cape-ivy ASTERACEAE x n Delphinium californicum subsp. californicum California larkspur RANUNCULACEAE x n ❀ Delphinium parryi subsp. eastwoodiae Eastwood's larkspur RANUNCULACEAE 1B.2 x n Deschampsia danthonioides annual hairgrass POACEAE x n Deschampsia elongata slender hairgrass POACEAE x i Dimorphotheca sinuata Namaqualand-daisy ASTERACEAE x n ❀ Diplacus aurantiacus var. aurantiacus common bush monkeyflower PHRYMACEAE x [Mimulus aurantiacus] i ❀ Dipsacus sativus fuller's teasel DIPSACACEAE x n ❀ Dipterostemon capitatus subsp. capitatus blue-dicks, schoolbells THEMIDACEAE x [Dichelostemma capitatum subsp. capitatum] n Drymocallis glandulosa var. glandulosa sticky cinquefoil ROSACEAE x n Drymocallis glandulosa var. wrangelliana sticky cinquefoil ROSACEAE x n Dryopteris arguta California wood fern DRYOPTERIDACEAE x n ❀ Dudleya abramsii subsp. murina mouse-gray dudleya CRASSULACEAE 1B.3 x n ❀ Dudleya lanceolata lance-leaf dudleya CRASSULACEAE x n ❀ Dudleya pulverulenta chalk dudleya CRASSULACEAE x i Ehrharta calycina common veldtgrass POACEAE x n Elymus condensatus giant wildrye POACEAE x Scientific Name Common Name Family Rare n Elymus glaucus subsp. glaucus blue wildrye POACEAE x n Elymus multisetus big squirreltail POACEAE x n Elymus trachycaulus subsp. trachycaulus slender wildrye POACEAE x n ❀ Epilobium brachycarpum tall willow-herb ONAGRACEAE x n ❀ Epilobium canum subsp. canum California-fuchsia ONAGRACEAE x n ❀ Epilobium ciliatum subsp. ciliatum common willow-herb ONAGRACEAE x n Epilobium minutum chaparral willow-herb ONAGRACEAE x n ❀ Epipactis gigantea stream orchid ORCHIDACEAE x n Equisetum hyemale subsp. affine common scouring-rush EQUISETACEAE x n Equisetum telmateia subsp. braunii giant horsetail EQUISETACEAE x n ❀ Eriogonum elongatum var. elongatum long-stem buckwheat POLYGONACEAE x n ❀ Eriogonum parvifolium coastal buckwheat POLYGONACEAE x n ❀ Eriophyllum confertiflorum var. common golden-yarrow ASTERACEAE x confertiflorum i ❀ Erodium botrys storkbill filaree GERANIACEAE x i ❀ Erodium cicutarium redstem filaree GERANIACEAE x i Erodium moschatum greenstem filaree GERANIACEAE x n ❀ Erythranthe cardinalis [Mimulus cardinalis] scarlet monkeyflower PHRYMACEAE x n ❀ Erythranthe guttata [Mimulus guttatus] common monkeyflower PHRYMACEAE x n ❀ Eschscholzia californica California poppy PAPAVERACEAE x i Eucalyptus globulus blue gum MYRTACEAE x i Euphorbia maculata [Chamaesyce maculata] spotted spurge EUPHORBIACEAE x i ❀ Euphorbia peplus petty spurge EUPHORBIACEAE x