These species have all been observed in bloom from 6 April - 4 May 2006, and are probably all still in bloom on 4 May 2006.
# Family Scientific Name Common Name 1 Anacardiaceae Rhus ovata sugar bush 2 Anacardiaceae Toxicodendron diversilobum poison oak 3 Apiaceae Apiastrum angustifolium wild celery 4 Apiaceae Bowlesia incana hoary bowlesia 5 Apiaceae Daucus pusillus rattlesnake weed 6 Apiaceae Lomatium utriculatum common lomatium 7 Apiaceae Osmorhiza brachypoda California sweet-cicely 8 Apiaceae Sanicula arguta sharp-toothed sanicle 9 Apiaceae Sanicula bipinnatifida purple sanicle 10 Apiaceae Sanicula crassicaulis Pacific sanicle 11 Asteraceae Baccharis salicifolia mule fat 12 Asteraceae Blennosperma nanum var. nanum yellow carpet 13 Asteraceae Chamomilla suaveolens *pineapple weed 14 Asteraceae Cirsium scariosum elk thistle 15 Asteraceae Cotula coronopifolia *brass-buttons 16 Asteraceae Erigeron foliosus var. foliosus leafy daisy 17 Asteraceae Eriophyllum confertiflorum var. confertiflorum golden yarrow 18 Asteraceae Filago californica California filago 19 Asteraceae Filago gallica *narrowleaf filago 20 Asteraceae Gnaphalium bicolor bicolored everlasting 21 Asteraceae Gnaphalium californicum California everlasting 22 Asteraceae Gnaphalium luteo-album *common cudweed 23 Asteraceae Gnaphalium stramineum cotton-batting plant 24 Asteraceae Hedypnois cretica *Crete weed 25 Asteraceae Heterotheca grandiflora telegraph weed 26 Asteraceae Hypochaeris glabra *smooth cat's ear 27 Asteraceae Lasthenia californica goldfields 28 Asteraceae Lessingia filaginifolia var. filaginifolia California-aster 29 Asteraceae Madia gracilis slender madia 30 Asteraceae Micropus californicus var. californicus slender cottonweed 31 Asteraceae Microseris douglasii ssp. douglasii Douglas' microseris 32 Asteraceae Senecio vulgaris *common groundsel 33 Asteraceae Sonchus asper ssp. asper *prickly sow thistle 34 Asteraceae Sonchus oleraceus *sow thistle 35 Asteraceae Stebbinsoseris heterocarpa brown microseris 36 Asteraceae Stylocline gnaphaloides everlasting nest-straw 37 Asteraceae Uropappus lindleyi silver puffs 38 Boraginaceae Amsinckia menziesii var. intermedia common fiddleneck 39 Boraginaceae Amsinckia menziesii var. menziesii small-flowered fiddleneck 40 Boraginaceae Cryptantha intermedia popcorn flower 41 Boraginaceae Cryptantha microstachys Tejon cryptantha 42 Boraginaceae Pectocarya linearis ssp. ferocula slender combseed 43 Boraginaceae Pectocarya penicillata combseed 44 Boraginaceae Plagiobothrys canescens grey popcorn flower 45 Boraginaceae Plagiobothrys collinus var. fulvescens California popcorn flower 46 Boraginaceae Plagiobothrys fulvus tawny popcorn flower 47 Boraginaceae Plagiobothrys nothofulvus rusty-haired popcorn flower 48 Boraginaceae Plagiobothrys tenellus slender popcorn flower 49 Boraginaceae Plagiobothrys undulatus hooked popcorn flower 50 Brassicaceae Capsella bursa-pastoris *shepherd's purse 51 Brassicaceae Cardamine californica var. californica milk maids 52 Brassicaceae Hirschfeldia incana *shortpod mustard 53 Brassicaceae Lepidium nitidum var. nitidum shining peppergrass 54 Brassicaceae Sisymbrium irio *London rocket 55 Brassicaceae Sisymbrium officinale *hedge mustard 56 Brassicaceae Thysanocarpus curvipes fringe-pod 57 Cactaceae Opuntia vaseyi Vasey's prickly-pear 58 Callitrichaceae Callitriche heterophylla var. bolanderi Bolander's water-starwort 59 Campanulaceae Triodanis biflora Venus looking-glass 60 Caprifoliaceae Sambucus mexicana blue elderberry 61 Caryophyllaceae Cerastium glomeratum *mouse-ear chickweed 62 Caryophyllaceae Silene gallica *windmill pink 63 Caryophyllaceae Spergularia bocconei *sand spurrey 64 Caryophyllaceae Stellaria media *common chickweed 65 Chenopodiaceae Chenopodium californicum California goosefoot 66 Convolvulaceae Calystegia macrostegia ssp. arida southern California morning-glory 67 Convolvulaceae Convolvulus simulans small-flowered morning-glory 68 Crassulaceae Crassula connata pygmy-weed 69 Cucurbitaceae Marah macrocarpus var. macrocarpus wild-cucumber 70 Cyperaceae Carex alma sturdy sedge 71 Cyperaceae Carex densa dense sedge 72 Cyperaceae Carex praegracilis clustered field sedge 73 Cyperaceae Carex spissa San Diego sedge 74 Cyperaceae Carex triquetra triangular-fruit sedge 75 Cyperaceae Eleocharis macrostachya common spikerush 76 Cyperaceae Scirpus acutus var. occidentalis common tule 77 Euphorbiaceae Chamaesyce albomarginata rattlesnake weed 78 Euphorbiaceae Chamaesyce polycarpa small-seeded spurge 79 Euphorbiaceae Euphorbia spathulata warty spurge 80 Fabaceae Astragalus gambelianus Gambel's dwarf milk-vetch 81 Fabaceae Astragalus pomonensis Pomona locoweed 82 Fabaceae Lathyrus vestitus var. alefeldii San Diego pea 83 Fabaceae Lotus hamatus San Diego birdsfoot lotus 84 Fabaceae Lotus purshianus var. purshianus Spanish clover 85 Fabaceae Lotus scoparius var. brevialatus short-winged deerweed 86 Fabaceae Lotus scoparius var. scoparius deerweed 87 Fabaceae Lotus strigosus strigose lotus 88 Fabaceae Lotus wrangelianus California lotus 89 Fabaceae Lupinus bicolor dwarf lupine 90 Fabaceae Lupinus concinnus bajada lupine 91 Fabaceae Lupinus excubitus var. hallii bush lupine 92 Fabaceae Lupinus truncatus collar lupine 93 Fabaceae Medicago polymorpha *California burclover 94 Fabaceae Melilotus indicus *sourclover 95 Fabaceae Trifolium depauperatum var. truncatum balloon clover 96 Fabaceae Trifolium gracilentum var. gracilentum pin-point clover 97 Fabaceae Trifolium hirtum *rose clover 98 Fabaceae Trifolium microcephalum small-head field clover 99 Fabaceae Trifolium willdenovii tomcat clover 100 Fabaceae Vicia hassei slender vetch 101 Fabaceae Vicia sativa ssp. sativa *spring vetch 102 Fabaceae Vicia villosa ssp. varia *winter vetch 103 Fagaceae Quercus acutidens Torrey's scrub oak 104 Fagaceae Quercus agrifolia var. agrifolia coast live oak 105 Fagaceae Quercus engelmannii Engelmann oak 106 Geraniaceae Erodium botrys *long-beaked filaree 107 Geraniaceae Erodium brachycarpum *short-fruited filaree 108 Geraniaceae Erodium cicutarium *redstem filaree 109 Geraniaceae Erodium moschatum *white-stemmed filaree 110 Geraniaceae Geranium dissectum *cut-leaved geranium 111 Grossulariaceae Ribes indecorum white-flowering currant 112 Hydrophyllaceae Eriodictyon crassifolium var. crassifolium thick-leaved yerba santa 113 Hydrophyllaceae Eucrypta chrysanthemifolia var. chrysanthemifolia eucrypta 114 Hydrophyllaceae Nemophila menziesii var. menziesii baby blue eyes 115 Hydrophyllaceae Nemophila pedunculata meadow nemophila 116 Hydrophyllaceae Phacelia cicutaria var. hispida caterpillar phacelia 117 Hydrophyllaceae Pholistoma auritum var. auritum fiesta flower 118 Iridaceae Sisyrinchium bellum blue-eyed grass 119 Juncaceae Juncus bufonius var. occidentalis western toad rush 120 Juncaceae Juncus mexicanus Mexican rush 121 Lamiaceae Lamium amplexicaule *henbit 122 Lamiaceae Salvia mellifera black sage 123 Lamiaceae Scutellaria tuberosa common skullcap 124 Liliaceae Brodiaea filifolia thread-leaved brodiaea 125 Liliaceae Dichelostemma capitatum ssp. capitatum blue dicks 126 Liliaceae Fritillaria biflora var. biflora chocolate lily 127 Liliaceae Muilla maritima muilla 128 Liliaceae Yucca whipplei chaparral yucca 129 Malvaceae Sidalcea malviflora ssp. sparsifolia checkerbloom 130 Nyctaginaceae Mirabilis californica California four o'clock 131 Onagraceae Camissonia intermedia intermediate sun-cups 132 Onagraceae Clarkia purpurea ssp. quadrivulnera purple clarkia 133 Orchidaceae Piperia unalascensis Alaska rein orchid 134 Oxalidaceae Oxalis albicans ssp. californica California oxalis 135 Paeoniaceae Paeonia californica California peony 136 Papaveraceae Eschscholzia californica California poppy 137 Plantaginaceae Plantago elongata long-leaf plantain 138 Plantaginaceae Plantago erecta California plantain 139 Poaceae Avena barbata *slender wild oats 140 Poaceae Avena fatua *wild oats 141 Poaceae Bromus arenarius *Australian brome 142 Poaceae Bromus carinatus var. carinatus California brome 143 Poaceae Bromus diandrus *ripgut brome 144 Poaceae Bromus hordeaceus *soft chess 145 Poaceae Bromus madritensis ssp. rubens *red brome 146 Poaceae Cynodon dactylon *Bermuda grass 147 Poaceae Dactylis glomerata *orchard-grass 148 Poaceae Hordeum brachyantherum ssp. californicum California meadow barley 149 Poaceae Hordeum murinum ssp. glaucum *foxtail barley 150 Poaceae Hordeum murinum ssp. leporinum *foxtail barley 151 Poaceae Lamarckia aurea *goldentop 152 Poaceae Lolium multiflorum *Italian rye-grass 153 Poaceae Melica imperfecta coast-range melic 154 Poaceae Nassella cernua nodding needlegrass 155 Poaceae Nassella pulchra purple needlegrass 156 Poaceae Poa annua *annual blue grass 157 Poaceae Poa infirma *weak blue grass 158 Poaceae Schismus barbatus *Mediterranean schismus 159 Poaceae Vulpia myuros var. hirsuta *hairy rattail fescue 160 Poaceae Vulpia myuros var. myuros *rattail fescue 161 Polemoniaceae Gilia angelensis angel's gilia 162 Polemoniaceae Linanthus dianthiflorus ground pink 163 Polygonaceae Eriogonum fasciculatum var. foliolosum California buckwheat 164 Polygonaceae Polygonum arenastrum *knotweed 165 Polygonaceae Pterostegia drymarioides threadstem 166 Polygonaceae Rumex conglomeratus *whorled dock 167 Polygonaceae Rumex crispus *curly dock 168 Polygonaceae Rumex salicifolius willow-leaved dock 169 Portulacaceae Calandrinia ciliata red maids 170 Portulacaceae Claytonia parviflora ssp. parviflora narrow-leaved miner's lettuce 171 Portulacaceae Claytonia perfoliata ssp. mexicana southern miner's lettuce 172 Portulacaceae Claytonia perfoliata ssp. perfoliata miner's lettuce 173 Primulaceae Anagallis arvensis *scarlet pimpernel 174 Primulaceae Dodecatheon clevelandii ssp. clevelandii shooting star 175 Ranunculaceae Ranunculus occidentalis western buttercup 176 Ranunculaceae Thalictrum fendleri var. polycarpum meadow-rue 177 Rhamnaceae Ceanothus crassifolius hoaryleaf ceanothus 178 Rhamnaceae Rhamnus ilicifolia hollyleaf redberry 179 Rosaceae Aphanes occidentalis western lady's mantle 180 Rosaceae Potentilla glandulosa ssp. glandulosa sticky cinquefoil 181 Rubiaceae Galium angustifolium ssp. angustifolium narrowleaf bedstraw 182 Rubiaceae Galium aparine common bedstraw 183 Rubiaceae Galium murale *tiny bedstraw 184 Rubiaceae Galium nuttallii ssp. nuttallii climbing bedstraw 185 Salicaceae Salix lasiolepis arroyo willow 186 Scrophulariaceae Castilleja densiflora owl's-clover 187 Scrophulariaceae Castilleja exserta ssp. exserta purple owl's clover 188 Scrophulariaceae Collinsia heterophylla Chinese houses 189 Scrophulariaceae Keckiella antirrhinoides var. antirrhinoides chaparral beard-tongue 190 Scrophulariaceae Mimulus aurantiacus bush monkeyflower 191 Scrophulariaceae Scrophularia californica ssp. floribunda California bee plant 192 Solanaceae Solanum parishii Parish's purple nightshade 193 Valerianaceae Plectritis ciliosa ssp. insignis showy plectritis 194 Violaceae Viola pedunculata johnny jump-up
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Updated 10 May 2006.