Santa Clara Valley Chapter
| Family | Common Name | Spore Production |
| BLECHNACEAE | ||
| Blechnum spicant | Deer Fern | Aug-Jan |
| Woodwardia fimbriata | Giant Chain Fern | Nov-Jun |
|
DENNSTAEDTIACEAE | ||
| Pteridium aquilinum var. pubescens | Bracken Fern | Sep-Jan |
|
DRYOPTERIDACEAE | ||
| Athyrium filix-femina | Lady Fern | Jun-Aug |
| Dryopteris arguta | Coastal Wood Fern | May-Oct |
| Polystichum munitum | Western Sword Fern | May-Nov |
|
EQUISETACEAE | ||
| Equisetum telmateia ssp. braunii | Giant Horsetail | Mar-May |
|
POLYPODIACEAE | ||
| Polypodium californicum | California Polypody | Jun-Sep |
|
PTERIDACEAE | ||
| Adiantum aleuticum | Five-finger Fern | Jun-Oct |
| Pentagramma triangularis ssp. triangularis | Golden-backed Fern | Jul-Aug |
| Family | Common Name | |
|
CUPRESSACEAE | ||
| Calocedrus decurrens * | Incense Cedar | |
| Cupressus abramsiana | Santa Cruz Cypress | |
|
PINACEAE | ||
| Pinus attenuata | Knobcone Pine | |
| Pinus contorta * | Lodgepole Pine | |
| Pinus ponderosa | Ponderosa Pine | |
| Pseudotsuga menziesii | Douglas Fir | |
|
TAXODIACEAE | ||
| Sequoia semprevirens | Coast Redwood |
| Family | Common Name | Flowering Period |
|---|---|---|
|
ACERACEAE | ||
| Acer macrophyllum | Big-leaf Maple | Mar-May |
|
ANACARDIACEAE | ||
| Toxicodendron diversilobum | Wstern Poison Oak | Mar-May |
|
APIACEAE | ||
| Osmorhiza chilensis | Wood Sweet-cicely | Apr-Sep |
| Sanicula crassicaulis | Pacific Sanicle, Gamble Weed | Feb-Jun |
| Torilis arvensis * | Field Hedge-parsley | Jun-Jul |
|
APOCYNACEAE | ||
| Vinca major * | Greater Periwinkle | yr. rnd. |
|
ARALIACEAE | ||
| Aralia californica | Elk Clover | Jun-Aug |
|
ARISTOLOCHIACEAE | ||
| Asarum caudatum | Wild-Ginger | Apr-Jul |
|
ASTERACEAE | ||
| Achillea millefolium | Yarrow | Apr-Jul |
| Adenocaulon bicolor | Trail Plant | May-Sep |
| Agoseris grandiflora | Large-flowered Agoseris | Apr-Sep |
| Arnica discoidea | Rayless Arnica | May-Jul |
| Artemisia douglasiana | California or Douglas Mugwort | Jun-Nov |
| Baccharis pilularis | Coyote Brush | Aug-Oct |
| Cirsium vulgare * | Bull Thistle | Jun-Oct |
| Conyza canadensis * | Horseweed | Jun-Oct |
| Erechtites glomerata * | Cut-leaved Coast Fireweed | May-Dec |
| Ericameria arborescens | Golden-fleece | Jul-Oct |
| Ericameria ericoides | Mock Heather | Sep-Nov |
| Eriophyllum confertiflorum var. confertiflorum | Golden Yarrow | Mar-Nov |
| Filago californica | California filago | Apr-May |
| Filago gallica * | Narrow-leaved Filago | Apr-May |
| Gnaphalium californicum | Green Everlasting, California Cudweed | May-Aug |
| Gnaphalium canescens ssp.beneolens | Fragrant Everlasting | Jul-Sep |
| Gnaphalium purpureum | Purple Cudweed | Apr-Jun |
| Gnaphalium straminium | Everlasting Cudweed | yr. rnd. |
| Heterotheca grandiflora | Telegraph Weed | Mar-Oct |
| Heterotheca sessiliflora ssp.echioide | Bristly Golden-aster | Jun-Sep |
| Hieracium albiflorum | Hawkweed | Jun-Aug |
| Hypochaeris glabra * | Smooth Cat's Ear | Mar-Sep |
| Hypochaeris radicata * | Rough or Hairy Cat's Ear | Feb-Aug |
| Lactuca virosa * | Wild Lettuce | Aug-Sep |
| Lessingia filaginifolia var. filagini | California Aster | May-Oct |
| Madia gracilis | Slender Tarweed, Gumweed | May-Jul |
| Madia madioides | Madia Tarweed, Woodland Madia | Apr-Sep |
| Picris echioides * | Bristly Ox-tounge | Apr-Dec |
| Psilocarphus tenellus var. tenellus | Slender Wooly-marbles | Mar-May |
| Senecio aphanactis | California Groundsel | Jan-Mar |
| Solidago californica | California Goldenrod | Jul-Nov |
| Solidago canadensis ssp. elongata | Canada or Meadow Goldenrod | Aug-Nov |
| Stylocline gnaphaloides | Everlasting Nest Straw | Apr-May |
|
BERBERIDACEAE | ||
| Vancouveria planipetala | Redwood Ivy | Apr-Sep |
|
BORAGINACEAE | ||
| Myosotis latifolia * | Wood Forget-me-not | Mar-May |
|
BRASSICACEAE | ||
| Cardamine californica var. californica | Milkmaids, California Toothwort | Dec-May |
| Cardamine oligosperma | Few-seeded Bittercrest | Feb-Jun |
| Erysimum teretifolium | Santa Cruz Wallflower | Apr-Sep |
|
CAMPANULACEAE | ||
| Campanula prenanthoides | California or Durand's Harebell | Jun-Sep |
|
CAPRIFOLIACEAE | ||
| Lonicera hispidula var. vacillans | Hairy Honeysuckle | May-Jun |
| Symphoricarpos mollis | Creeping Snowberry | Apr-Jun |
|
CARYOPHYLLACEAE | ||
| Cardionema ramosissimum | Sand Mat | Apr-Aug |
| Cerastium fontanum ssp. vulgare * | Larger Mouse-ear chickweed | Mar-Jul |
| Cerastium glomeratum * | Mouse-ear Chickweed | Mar-Jan |
| Silene gallica * | Common Catchfly | Apr-Oct |
| Silene verecunda ssp. platyota | May-Sep | |
| Spergula arvensis ssp. arvensis * | Stickwort, Starwort | Mar-Jun |
| Spergularia rubra * | Red Sand-spurrey | Apr-Sep |
| Stellaria nitens | shining chickweed | Feb-Apr |
|
CELASTRACEAE | ||
| Euonymus occidentalis var. occidentalis | Western Burning-bush | Apr-Jun |
|
CHENOPODIACEAE | ||
| Chenopodium murale * | Nettle-leaved Goosefoot | Jun-Oct |
|
CISTACEAE | ||
| Helianthemum scoparium | Common Rush Rose | Apr-Aug |
|
CRASSULACEAE | ||
| Crassula connata | Sand Pygmy-weed | Feb-May |
|
ERICACEAE | ||
| Arbutus menziesii | Madrone | Mar-May |
| Arctostaphylos andersonii | Heartleaf or Santa Cruz Manzanita | Nov-Mar |
| Arctostaphylos nummularia | Sensitive Manzanita | Jan-May |
| Arctostaphylos silvicola | Bonnie Doon or Silver-leaved Manzinita | Nov-Mar |
| Arctostaphylos tomentosa ssp. crinita | Brittle-leaved Manzanita | Feb-Apr |
| Gaultheria shallon | Salal | Apr-Jul |
| Ledum glandulosum | Labrador Tea | May-Jul |
| Rhododendron macrophyllum | California Rose Bay | Apr-Jul |
| Rhododendron occidentale | Western Azalea | May-Jul |
| Vaccinium ovatum | California Huckleberry | Feb-Jun |
|
EUPHORBIACEAE | ||
| Eremocarpus setigerus | Turkey Mullein, Dove Weed | Jun-Oct |
| Euphorbia peplus * | Petty Spurge | yr. rnd. |
|
FABACEAE | ||
| Acacia dealbata * | Silver Wattle | |
| Genista monspessulanus * | French Broom | Mar-Jul |
| Lathyrus latifolius * | Perennial Sweet Pea | Jun-Aug |
| Lathyrus vestitus var. vestitus | Common Pacific Pea | Mar-May |
| Lotus formosissimus | Coast Hosackia | Mar-Jul |
| Lotus heermannii var. orbicularis | Wooly Trefoil | May-Nov |
| Lotus micranthus | Small-flowered Trefoil | Apr-Jun |
| Lotus purshianus var. purshianus | Pursh's trefoil | Apr-Oct |
| Lotus scoparius var. scoparius | California Broom, deerweed | May-Oct |
| Lotus strigosus | Strigose Trefoil | Mar-Sep |
| Lupinus albifrons var. albifrons | Silver Lupine | Mar-Jun |
| Lupinus bicolor | Annual or Miniature Lupine | Mar-May |
| Medicago polymorpha * | Burclover | Mar-Jun |
| Pickeringia montana var. montana | Chaparral Pea | May-Jul |
| Rupertia physodes | Rupert's Scurf-pea, California pea | Mar-Jul |
| Thermopsis macrophylla var. macrophylla | False Lupine | Mar-Jul |
| Trifolium dubium * | Shamrock | May-Jun |
| Trifolium hirtum * | Rose Clover | |
| Trifolium hybridum * | Alsike Clover | May-Jul |
| Trifolium willdenovii | Willdenov's or Tomcat Clover | Mar-May |
| Vicia americana var. americana | American Vetch | Mar-May |
| Vicia sativa ssp. nigra * | Narrow-leaved Vetch | Mar-Jul |
|
FAGACEAE | ||
| Chrysolepis chrysophylla var. minor | Golden Chinquapin | Jul-Aug |
| Lithocarpus densiflorus var. densiflorus | Tanbark Oak | May-Jul |
| Quercus agrifolia | Coast Live Oak | Feb-Apr |
| Quercus chrysolepis | Canyon Live Oak | May-Jun |
| Quercus wislizenii var. wislizenii | Interior Live Oak | Apr- May |
|
GENTIANACEAE | ||
| Centaurium davyi | Davy's Centuary | Apr-Jul |
|
GERANIACEAE | ||
| Erodium botrys * | Storksbill, Long-beaked Filaree | Mar-Jul |
| Geranium carolinianum | Carolina Geranium | Apr-Oct |
| Geranium disectum * | Cut-leaved Geranium | Apr-Oct |
| Geranium molle * | Dove's-foot Geranium, cranesbill | Feb-Jun |
|
GROSSULARIACEAE | ||
| Ribes menziesii | Canyon Gooseberry | Mar-Jun |
|
HYDROPHYLLACEAE | ||
| Eriodictyon californicum | Yerba Santa | Apr-Jul |
| Nemophila parviflora var. parviflora | Small-flowered Nemophila | Mar-Jun |
|
HYPERICACEAE | ||
| Hypericum anagalloides | Tinker's Penny, Creeping St. John's Wort | Mar-Aug |
| Hypericum perforatum * | Klamath Weed | Jun-Sep |
|
LAMIACEAE | ||
| Lepechinia calycina | Pitcher Sage | Apr-Jul |
| Monardella undulata | Curly-leaved Monardella | May-Aug |
| Monardella villosa ssp. villosa | Villose Coyote Mint | May-Sep |
| Prunella vulgaris var. lanceolata | Self-heal | Apr-Dec |
| Satureja douglasii | Yerba Buena | May-Aug |
| Scutellaria tuberosa | Tuberose or Dannie's Skull-cap | Mar-Jun |
| Stachys ajugoides var. rigida | Rigid Bugle Hedge Nettle | May-Oct |
|
LYTHRACEAE | ||
| Lythrum hyssopifolium * | Hyssop Loosestrife | Apr-Oct |
|
MYRICACEAE | ||
| Myrica californica | Wax Myrtle | Apr-Jun |
|
MYRTACEAE | ||
| Eucalyptus globulus * | Blue Gum | Dec-May |
|
ONAGRACEAE | ||
| Camissonia contorta | Douglas' Evening Primrose | Mar-Jun |
| Camissonia micrantha | Small Primrose | Apr-Jul |
| Camissonia ovata | Sun Cup | Feb-Jun |
| Clarkia purpurea ssp. quadrivulnera | Four-spot Godetia | Apr-Jul |
| Epilobium spp. | ||
|
OROBANCHACEAE | ||
| Boschniakia strobilacea | California Ground Cone | Apr-May |
| Orobanche fasciculata | Clustered Broom-rape | Apr-Aug |
|
OXALIDACEAE | ||
| Oxalis corniculata * | Creeping Wood Sorrel | Feb-Nov |
| Oxalis oregana | Redwood Sorrel | Feb-Sep |
|
PAPAVERACEAE | ||
| Dendromecon rigida | Bush Poppy | Apr- Jul |
| Eschscholzia californica | California Poppy | Mar- Oct |
|
PHILADELPHACEAE | ||
| Whipplea modesta | Modesty, Yerba de Selva | Mar- Jun |
|
PLANTAGINACEAE | ||
| Plantago erecta | California Plantain | Jan-Jun |
| Plantago lanceolata * | English Plantain | Apr-Oct |
| Plantago maritima | Maritime Plantain | Apr-Nov |
|
POLEMONIACEAE | ||
| Collomia heterophylla | Varied-leaved Collomia | Apr-Jul |
| Gilia tenuiflora ssp. | Apr-May | |
| Linanthus acicularis | Bristly Linanthus | Apr-May |
| Navarettia atractyloides | Holly-leaved or Hooked Navarettia | May-Aug |
| Navarettia hamata ssp. parviloba | ||
| Navarettia mellita | Honey-scented | Jun-Jul |
| Navarettia squarrosa | Skunkweed | Jun-Oct |
|
POLYGALACEAE | ||
| Polygala californica | Milkwort | Apr-Jul |
|
POLYGONACEAE | ||
| Chorizanthe diffusa | Diffuse Spineflower | May-Jun |
| Chorizanthe pungens var. hartwegiana | Ben Lomond Spineflower | Apr-Jun |
| Eriogonum nudum var. decurrens | Ben Lomond Buckwheat | Jun-Aug |
| Polygonum persicaria * | Lady's Thumb | Jun-Oct |
| Rumex acetosella * | Sheep Sorrel | Mar-Sep |
| Rumex crispus * | Curly Dock | Apr-Jul |
| Rumex salicifolius var. salicifolius | Willow-leaved Dock | May-Aug |
|
PORTULACACEAE | ||
| Calandrina ciliata | Red Maids | Feb-Jun |
| Calyptridium umbellatum | Pussy Paws | Jun-Jul |
| Claytonia perfoliata ssp. perfoliata | Miner's Lettuce | Feb-May |
|
PRIMULACEAE | ||
| Anagallis arvensis * | Scarlet Pimpernel | yr. rnd. |
| Trientalis latifolia | Starflower | Apr-Jul |
|
RANUNCULACEAE | ||
| Actea rubra | Baneberry | Mar-May |
|
RHAMNACEAE | ||
| Ceanothus cuneatus var. cuneatus | Buck Brush | Feb-Aug |
| Ceanothus papillosus var. papillosus | Wartleaf Ceanothus | Apr-May |
| Ceanothus thyrsiflorus | Blue Blossom | Mar-May |
| Rhamnus californica ssp. californica | California Coffeeberry | May-Jul |
|
ROSACEAE | ||
| Adenostoma fasciculatum | Chamise | |
| Cotoneaster franchetii * | Franchet's Cotoneaster | Apr-May |
| Cotoneaster pannosa * | Half-evergreen Cotoneaster | Apr-Jun |
| Crataegus sp. * | Hawthorn | |
| Fragaria vesca | Wood Strawberry | May-Jul |
| Heteromeles arbutifolia | Toyon | Jun-Jul |
| Horkelia cuneata ssp. cuneata | Wedge-leaved Horkelia | Mar-Sep |
| Horkelia marinensis | Piont Reye's Horkelia | Jun-Jul |
| Pyracantha angustifolia * | Pyracantha, Firethorn | |
| Rosa gymnocarpa | Wood Rose | Apr-Sep |
| Rosa spithamea | Ground Rose | May-Aug |
| Rubus parviflorus | Thimbleberry | Mar-Aug |
| Rubus ursinus | Creeping Blackberry | Apr-Aug |
RUBIACEAE | ||
| Galium aparine | Goose Grass | Mar-Aug |
| Galium californicum ssp. californicum | California Bedstraw | Mar-Jul |
SALICACEAE | ||
| Salix scoulariana | Scouler's Willow | Feb-Apr |
| Salix lasiolepis | Arroyo Willow | Feb-Apr |
SAXIFRAGACEAE | ||
| Boykinia occidentalis | Brook Foam | May-Aug |
| Tiarella trifoliata var. unifoliata | Lace Flower, Sugar-Scoop | May-Jul |
SCROPHULARIACEAE | ||
| Castilleja densiflora ssp. densiflora | Owl's Clover | Mar-May |
| Castilleja foliolosa | Wooly Indian Paintbrush | Mar-Aug |
| Cordylanthus tenuis ssp. vicidus | ||
| Digitalis purpurea * | Foxglove | May-Aug |
| Linaria canadensis | Blue Toadflax | Feb-May |
| Mimulus aurantiacus | Sticky Monkeyflower | Mar-Jul |
| Mimulus guttatus | Common Monkeyflower | Jan-Oct |
| Mimulus moschatus | Musk Monkeyflower | May-Nov |
| Mimulus rattanii | Rattan's Monkeyflower | Apr-Jun |
| Verbascum thapsus * | Wooly Mullein | Jun-Nov |
| Verbascum virgatum * | Wand Mullein | May-Oct |
SOLANACEAE | ||
| Solanum americanun | ||
URTICACEAE | ||
| Urticia dioica ssp. holosericea | Hoary Nettle | May-Oct |
VERBENACEAE | ||
| Verbena lasiostachys var. lasiostachys | Western Verbena | May-Sep |
VIOLACEAE | ||
| Viola ocellata | Western Heart's Ease | Mar-Jun |
| Viola semprevirens | Evergreen Violet | Jan-Oct |
| Viola sp. | ||
VISCACEAE | ||
| Phoradendron villosum | Hairy or Oak Mistletoe | yr. rnd |
| Family | Common Name | Flowering Period | |
CYPERACEAE | |||
| Carex globosa | Round-fruited Sedge | May-Aug | |
| Carex obnupta | Slough Sedge | Apr-Nov | |
| Carex spp. | |||
| Cyperus eragrostis | Tall or Eragrostoid Cyperus | May-Oct | |
IRIDACEAE | |||
| Iris macrosiphon | Slender-tubed Iris | Mar-Jun | |
| Sisyrinchium bellum | Blue-eyed Grass | Feb-May | |
JUNCACEAE | |||
| Juncus balticus | Baltic Rush | May-Oct | |
| Juncus bufonius var. bufonius | Toad Rush | May-Oct | |
| Juncus longistylis | |||
| Juncus phaeocephalus var. phaeocephalus | Brown-headed Rush | Mar-Aug | |
| Luzula comosa | Hairy Wood Rush | Feb-Jun | |
LEMNACEAE | |||
| Lemna minor | Small Duckweed | Jun-Jan | |
LILIACEAE | |||
| Calochortus albus | White Globe Lily, Fairy Lanterns | Apr-Jun | |
| Chlorogalum pomeridianum var. pomeridianum | Indian Soap Plant, Amole | May-Jun | |
| Clintonia andrewsiana | Andrew's Clintonia | Apr-Jun | |
| Dichelostemma capitatum ssp. capitatum | Blue Dicks | Feb-May | |
| Disporum hookeri | Hooker's Fairy Bell | Mar-May | |
| Lilium pardalinum ssp. pardalinum | Leopard Lily | Jun-Sep | |
| Smilacina racemosa | False Solomon's Seal | Mar-May | |
| Trillium ovatum ssp. ovatum | Western Trillium or Wake Robin | Mar-May | |
| Xerophyllum tenax | Bear-grass, Indian Basket Grass | May-Jun | |
| Zigadenus fremontii | Fremont's Star Lily or Death Camas | Feb-Sep | |
ORCHIDACEAE | |||
| Corallorhiza maculata | Spotted Coralroot | Apr-Jul | |
| Epipactis gigantea | Stream Orchid | Apr-Aug | |
| Piperia transversa | Transverse Orchid | May-Aug | |
POACEAE | |||
| Agrostis capillaris * | Colonial Bent | ||
| Agrostis microphylla | Small-leaved Western Bentgrass | May-Jul | |
| Agrostis stolonifera * | Creeping Bent | ||
| Aira caryophyllea * | Silver European Hairgrass | Mar-Jun | |
| Avena barbata * | Slender Wild Oat | Feb-Jun | |
| Briza maxima * | Rattlesnake Grass | Apr-May | |
| Briza minor * | Quaking Grass | Jan-Jun | |
| Bromus carinatus var. carinatus | California Brome | Mar-Jul | |
| Bromus diandrus * | Ripgut Grass | Apr-Jul | |
| Bromus hordeaceus * | Soft Chess | Mar-Jun | |
| Cortaderia jubata * | Pampas Grass | Jun-Oct | |
| Cynodon dactylon * | Bermuda Grass | May-Oct | |
| Cynosurus echinatus * | Hedgehog or Dogtail Grass | Jun-Aug | |
| Danthonia californica var. californica | California Wild Oatgrass | Apr-Jun | |
| Deschampsia elongata | Slender Hairgrass or Elongate Oatgrass | May-Jun | |
| Elymus glaucus | Blue Wildrye | Apr-Jun | |
| Holcus lanatus * | Velvet Grass | Mar-Oct | |
| Hordeum murinum ssp. leporinum * | Wall Barley, Farmers Foxtail | Feb-Jul | |
| Koeleria macrantha | June Grass | Apr-Jun | |
| Leymus triticoides | Alkali Wild Rye | May-Jul | |
| Lolium multiflorum * | Italian Ryegrass | Apr-Oct | |
| Panicum acuminatum var. acuminatum | Acuminate Panic Grass | May-Jul | |
| Poa annua * | Annual Bluegrass | Feb-Sep | |
| Vulpia microstachys var. pauciflora | Nuttall's or Pacific Fescue | Apr-May | |
| Vulpia myuros var. myuros * | Rattail or Zorro Fescue |
An asterisk (*) = alien or introduced species, i.e., non-native. Compiled by Neal Kramer (September 1999 revision). Nomenclature follows Jepson. Please report additions or corrections to Neal Kramer, P.O. Box 1582, El Granada, CA 94018.