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