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