Laguna Lake Checklist-07Jun19
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Checklist1 of Vascular Flora of Laguna Lake Park and Open Space San Luis Obispo County, California (07 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 v n ❀ Achyrachaena mollis blow wives ASTERACEAE v n ❀ Acmispon americanus var. americanus Spanish-clover FABACEAE v n Acmispon brachycarpus shortpod deervetch FABACEAE v n Acmispon Junceus var. Junceus common rush deerweed FABACEAE v n Acmispon maritimus var. maritimus coastal deer-vetch FABACEAE v 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 R—California Rare Plant Rank Scientific Name Common Name Family Rare n ❀ Acmispon strigosus strigose deer-vetch FABACEAE v n Agrostis exarata western bentgrass, spike POACEAE v bentgrass n ❀ Alisma triviale water-plantain ALISMATACEAE v n Allium lacunosum var. lacunosum pitted onion ALLIACEAE v i Amaranthus albus tumble amaranth AMARANTHACEAE v n Amaranthus blitoides matweed amaranth AMARANTHACEAE v i Amaranthus deflexus large-fruited amaranth AMARANTHACEAE v i Amaranthus hybridus smooth amaranth AMARANTHACEAE v n Amaranthus powellii Powell's amaranth AMARANTHACEAE v n Ambrosia acanthicarpa annual bursage, burweed ASTERACEAE v n Ambrosia psilostachya western ragweed ASTERACEAE v n Amsinckia intermedia common fiddleneck BORAGINACEAE v i ❀ Anthemis cotula mayweed, dog-fennel ASTERACEAE v n Apiastrum angustifolium mock-celery APIACEAE v n Aristida adscensionis six-weeks threeawn POACEAE v n ❀ Artemisia californica California sagebrush ASTERACEAE v n ❀ Artemisia douglasiana mugwort ASTERACEAE v n ❀ Asclepias fascicularis narrow-leaved milkweed APOCYNACEAE v n ❀ Astragalus curtipes Morro milk-vetch FABACEAE v n Astragalus gambelianus Gambel's milk-vetch FABACEAE v n Athysanus pusillus dwarf sandweed BRASSICACEAE v i Atriplex prostrata fat-hen orach CHENOPODIACEAE v i Atriplex semibaccata Australian saltbush CHENOPODIACEAE v Scientific Name Common Name Family Rare i Avena barbata slender wild oats POACEAE v i Avena fatua common wild oats POACEAE v n Azolla filiculoides mosquito fern, duckweed AZOLLACEAE v fern n ❀ Baccharis pilularis coyote bush ASTERACEAE v n Baccharis salicifolia mule fat, seep-willow ASTERACEAE v i ❀ Bellardia trixago Mediterranean lineseed OROBANCHACEAE v i Bidens pilosa common beggar's-ticks, ASTERACEAE v hairy beggar's-ticks n ❀ Bloomeria crocea var. aurea common goldenstar THEMIDACEAE v n Bolboschoenus maritimus subsp. paludosus alkali bulrush, saltmarsh CYPERACEAE v bulrush i Brachypodium hybridum false brome POACEAE v i ❀ Brassica nigra black mustard BRASSICACEAE v i ❀ Brassica rapa field mustard BRASSICACEAE v i Bromus berteroanus Chilean chess POACEAE v n Bromus carinatus var. carinatus California brome POACEAE v i Bromus catharticus var. catharticus rescue grass POACEAE v i Bromus diandrus ripgut brome POACEAE v i Bromus hordeaceus soft chess brome POACEAE v i Bromus rubens red brome POACEAE v n ❀ Calandrinia menziesii [Calandrinia ciliata] red maids MONTIACEAE v n Calibrachoa parviflora wild-petunia SOLANACEAE v n ❀ Calochortus argillosus clay mariposa lily LILIACEAE v n ❀ Calochortus clavatus var. clavatus club-haired mariposa lily LILIACEAE 4.3 v Scientific Name Common Name Family Rare n ❀ Calochortus obispoensis San Luis Obispo star-tulip LILIACEAE 1B.2 v n ❀ Calystegia macrostegia subsp. cyclostegia coast morning glory CONVOLVULACEAE v n ❀ Calystegia subacaulis subsp. episcopalis San Luis Obispo morning CONVOLVULACEAE 4.2 v glory, Cambria morning glory n ❀ Cardamine californica milk maids, rain bells, BRASSICACEAE v California toothwort i ❀ Carduus pycnocephalus Italian thistle ASTERACEAE v n Carex praegracilis black creeper sedge CYPERACEAE v n Carex serratodens saw-toothed sedge CYPERACEAE v i ❀ Carpobrotus edulis highway iceplant AIZOACEAE v n ❀ CastilleJa densiflora subsp. obispoensis San Luis Obispo owl's-clover OROBANCHACEAE 1B.2 v n ❀ CastilleJa minor subsp. spiralis annual Indian paintbrush OROBANCHACEAE v i Cenchrus clandestinus kikiyu grass POACEAE v i Cenchrus longisetus feathertop fountaingrass POACEAE v i ❀ Centaurea calcitrapa purple star-thistle ASTERACEAE v i ❀ Centaurea melitensis tocalote, Maltese star thistle ASTERACEAE v i ❀ Centaurea solstitialis yellow star thistle ASTERACEAE v n ❀ Centromadia parryi subsp. congdonii Congdon's tarplant ASTERACEAE 1B.1 v i Cerastium glomeratum annual mouse-ear CARYOPHYLLACEAE v chickweed i Chenopodiastrum murale [Chenopodium pigweed goosefoot CHENOPODIACEAE v murale] n Chenopodium album lamb's quarter CHENOPODIACEAE v n ❀ Chlorogalum pomeridianum var. common soap plant AGAVACEAE v pomeridianum n ❀ Chorizanthe breweri Brewer's spineflower POLYGONACEAE 1B.3 v Scientific Name Common Name Family Rare n ❀ Chorizanthe palmeri Palmer's spineflower POLYGONACEAE 4.2 v i ❀ Cichorium intybus chicory ASTERACEAE v n ❀ Cirsium fontinale var. obispoense Chorro Creek bog thistle ASTERACEAE 1B.2 v i ❀ Cirsium vulgare bull thistle ASTERACEAE v n ❀ Claytonia perfoliata subsp. perfoliata common miner's lettuce MONTIACEAE v n ❀ Collinsia heterophylla common Chinese houses PLANTAGINACEAE v i ❀ Conium maculatum poison hemlock APIACEAE v i ❀ Convolvulus arvensis bindweed, field morning CONVOLVULACEAE v glory n ❀ Corethrogyne filaginifolia California-aster ASTERACEAE v n ❀ Cornus sericea subsp. occidentalis creek dogwood CORNACEAE v i Cortaderia Jubata Jubata grass POACEAE v i ❀ Cotula coronopifolia brass buttons ASTERACEAE v n ❀ Crassula connata common pygmyweed CRASSULACEAE v n ❀ Croton setiger turkey-mullein EUPHORBIACEAE v i Crypsis schoenoides common pricklegrass POACEAE v n ❀ Cryptantha clevelandii var. florosa coastal cryptantha BORAGINACEAE v n Cuscuta californica var. californica common chaparral dodder CONVOLVULACEAE v n Cuscuta campestris field dodder CONVOLVULACEAE v i Cynodon dactylon Bermuda grass POACEAE v n Cyperus eragrostis common umbrella sedge CYPERACEAE v i Cyperus involucratus garden umbrella sedge, CYPERACEAE v umbrella plant n Danthonia californica California oatgrass POACEAE v i Datura stramonium common Jimson weed SOLANACEAE v Scientific Name Common Name Family Rare n ❀ Deinandra fasciculata clustered tarweed ASTERACEAE v n ❀ Deinandra increscens subsp. increscens grassland tarweed ASTERACEAE v n ❀ Delphinium parryi subsp. eastwoodiae Eastwood's larkspur RANUNCULACEAE 1B.2 v n Deschampsia danthonioides annual hairgrass POACEAE v i Dichondra micrantha lawn dichondra CONVOLVULACEAE v i Digitaria sanguinalis hairy crabgrass POACEAE v i ❀ Dipsacus sativus fuller's teasel DIPSACACEAE v n ❀ Dipterostemon capitatus subsp. capitatus. blue-dicks, schoolbells THEMIDACEAE v [Dichelostemma capitatum subsp. capitatum] n Distichlis spicata saltgrass POACEAE v i Dittrichia graveolens Mediterranean stinkweed ASTERACEAE v n ❀ Dudleya abramsii subsp. murina mouse-gray dudleya CRASSULACEAE 1B.3 v i Dysphania ambrosioides Mexican-tea CHENOPODIACEAE v i Echinochloa colona awnless barnyard-grass POACEAE v i Echinochloa crus-galli common barnyard-grass POACEAE v i Eichhornia crassipes water-hyacinth PONTEDERIACEAE v n Elatine californica California waterwort ELATINACEAE v n Eleocharis bella pretty spike-rush CYPERACEAE v n Eleocharis macrostachya common spike-rush CYPERACEAE v n Eleocharis parishii Parish's spikerush CYPERACEAE v n Elymus xhansenii [E. glaucus x E. multisetus] hybrid wildrye POACEAE v n Elymus condensatus giant wildrye POACEAE v n Elymus glaucus subsp. glaucus blue wildrye POACEAE v Scientific Name Common Name Family Rare n Elymus multisetus big squirreltail POACEAE v n Elymus triticoides beardless wildrye POACEAE v n ❀ Epilobium brachycarpum tall willow-herb ONAGRACEAE v n ❀ Epilobium canum subsp. canum California-fuchsia ONAGRACEAE v n ❀ Epilobium ciliatum subsp. ciliatum common willow-herb ONAGRACEAE v n Epilobium densiflorum dense-flowered spike- ONAGRACEAE v primrose n Equisetum hyemale subsp. affine common scouring-rush EQUISETACEAE v n Equisetum telmateia subsp. braunii giant horsetail EQUISETACEAE v i Eragrostis cilianensis stinking lovegrass, POACEAE v stinkgrass n Eragrostis pectinacea var. pectinacea Carolina lovegrass POACEAE v i Erigeron bonariensis South American horseweed ASTERACEAE v i Erigeron canadensis common horseweed ASTERACEAE v n ❀ Eriophyllum confertiflorum var. common golden-yarrow ASTERACEAE v confertiflorum i ❀ Erodium botrys storkbill filaree GERANIACEAE v i Erodium brachycarpum shortfruit storkbill filaree GERANIACEAE v i ❀ Erodium cicutarium redstem filaree GERANIACEAE v i Erodium moschatum greenstem filaree GERANIACEAE v n ❀ Eryngium aristulatum var. hooveri Hoover's coyote-thistle, APIACEAE 1B.1 v Hoover's button-celery n Eryngium armatum coast coyote-thistle, coast APIACEAE v button-celery n Erythranthe arenicola sand monkeyflower PHRYMACEAE v n Erythranthe grandis large monkeyflower PHRYMACEAE v Scientific Name Common Name Family Rare n Erythranthe microphylla small-leaved monkeyflower PHRYMACEAE v n ❀ Eschscholzia californica