Pleasanton Ridge Wildflowers
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Pleasanton Ridge Wildflowers A photographic guide to showy wildflowers of Pleasanton Ridge Regional Park Sorted by Flower Color Photographs by Wilde Legard Botanist, East Bay Regional Park District Revision: February 23, 2007 More than 2,000 species of native and naturalized plants grow wild in the San Francisco Bay Area. Most are very difficult to identify without the help of good illustrations. This is designed to be a simple, color photo guide to help you identify some of these plants. The selection of showy wildflowers displayed in this guide is by no means complete. The intent is to expand the quality and quantity of photos over time. The revision date is shown on the cover and on the header of each photo page. A comprehensive plant list for this area (including the many species not found in this publication) can be downloaded at the East Bay Regional Park District’s wild plant download page at: http://www.ebparks.org. This guide is published electronically in Adobe Acrobat® format to accommodate these planned updates. You have permission to freely download and distribute, and print this pdf for individual use. You are not allowed to sell the electronic or printed versions. In this version of the guide, only showy wildflowers are included. These wildflowers are sorted first by flower color, then by plant family (similar flower types), and finally by scientific name within each family. Under each photograph are four lines of information, based on the current standard wild plant reference for California: The Jepson Manual: Higher Plants of California, 1993. Common Name These non-standard names are based on Jepson and other local references. Scientific Name Scientific names revised since 1993 are NOT included in this edition. Origin & Longevity Native or Introduced. Annual, Biennial, Perennial, or a combination. Family Name The common plant family name according to Jepson. For readers that prefer a more comprehensive guide, sorted by scientific name, please download the “wild plants” version of this guide. Readers are encouraged to email any suggestions or corrections to [email protected]. All photographs are © 2006 Wilde Legard, all rights reserved. revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park White Page 1 of 27 Nievitas Popcorn Flower California Buckeye Buckbrush Common Yard Knotweed Plagiobothrys nothofulvus Aesculus californica Ceanothus cuneatus var. cuneatus Polygonum arenastrum Native Annual Native Perennial Native Perennial Introduced Annual Borage Family Buckeye Family Buckthorn Family Buckwheat Family Western Virgin's Bower Poison Hemlock Cow Parsnip Shepherd's Needle Clematis ligusticifolia Conium maculatum Heracleum lanatum Scandix pecten-veneris Native Perennial Introduced Biennial Native Perennial Introduced Annual Buttercup Family Carrot Family Carrot Family Carrot Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park White Page 2 of 27 Dense-flower Willowherb Hillside Gooseberry Canyon Gooseberry Common / California Manroot Epilobium densiflorum Ribes californicum var. californicum Ribes menziesii Marah fabaceus Native Annual Native Perennial Native Perennial Native Perennial Evening Primrose Family Gooseberry Family Gooseberry Family Gourd Family Oregon / Coast Manroot Blue Elderberry White Fairy Lantern White Butterfly Mariposa Lily Marah oreganus Sambucus mexicana Calochortus albus Calochortus venustus Native Perennial Native Perennial Native Perennial Native Perennial Gourd Family Honeysuckle Family Lily Family Lily Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park White Page 3 of 27 Common Soap Plant Starry False Solomon's Seal Common Star Lily Hidden-flower Cheeseweed Chlorogalum pomeridianum var. pomeridianum Smilacina stellata Zigadenus fremontii Malva parviflora Native Perennial Native Perennial Native Perennial Introduced Annual Lily Family Lily Family Lily Family Mallow Family Common Horehound Black Sage Shortstem Morning Glory Field Bindweed Marrubium vulgare Salvia mellifera Calystegia subacaulis ssp. subacaulis Convolvulus arvensis Introduced Perennial Native Perennial Native Perennial Introduced Perennial Mint Family Mint Family Morning-Glory Family Morning-Glory Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park White Page 4 of 27 Milkmaids Slender Peren. Peppergrass White Water Cress Hairy Fringepod Cardamine californica Lepidium latifolium Rorippa nasturtium-aquaticum Thysanocarpus curvipes Native Perennial Introduced Perennial Native Perennial Native Annual Mustard Family Mustard Family Mustard Family Mustard Family Blue Gum Thimble Clover Subterranean Clover Pinklobe Linanthus Eucalyptus globulus Trifolium microdon Trifolium subterraneum Linanthus androsaceus Introduced Perennial Native Annual Introduced Annual Native Annual Myrtle Family Pea Family Pea Family Phlox Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park White Page 5 of 27 Bicolor Linanthus Mouse-ear Chickweed Windmill Pink Common Chickweed Linanthus bicolor Cerastium glomeratum Silene gallica Stellaria media Native Annual Introduced Annual Introduced Annual Introduced Annual Phlox Family Pink Family Pink Family Pink Family California Dwarf Plantain English Plantain California Meconella Cream Cups Plantago erecta Plantago lanceolata Meconella californica Platystemon californicus Native Annual Introduced Annual Native Annual Native Annual Plantain Family Plantain Family Poppy Family Poppy Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park White Page 6 of 27 Common Miner's Lettuce Woodland Strawberry Creambush / Ocean Spray Oso Berry Claytonia perfoliata ssp. perfoliata Fragaria vesca Holodiscus discolor Oemleria cerasiformis Native Annual Native Perennial Native Perennial Native Perennial Purslane Family Rose Family Rose Family Rose Family Pacific Ninebark Western Chokecherry Himalayan Blackberry Native California Blackberry Physocarpus capitatus Prunus virginiana var. demissa Rubus discolor Rubus ursinus Native Perennial Native Perennial Introduced Perennial Native Perennial Rose Family Rose Family Rose Family Rose Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park White Page 7 of 27 Small-flower Alumroot Woodland Star California Saxifrage Valley Tassels Heuchera micrantha Lithophragma affine Saxifraga californica Castilleja attenuata Native Perennial Native Perennial Native Perennial Native Annual Saxifrage Family Saxifrage Family Saxifrage Family Snapdragon Family Yarrow Blow Wives Mayweed Douglas/Salt Marsh Baccharis Achillea millefolium Achyrachaena mollis Anthemis cotula Baccharis douglasii Native Perennial Native Annual Introduced Annual Native Perennial Sunflower Family Sunflower Family Sunflower Family Sunflower Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park White Page 8 of 27 California Everlasting Slender Cottonweed California White Chicory Longhorn Plectritis Gnaphalium californicum Micropus californicus var. californicus Rafinesquia californica Plectritis macrocera Native Biennial Native Annual Native Annual Native Annual Sunflower Family Sunflower Family Sunflower Family Valerian Family Variable-leaf Nemophila Wild Heliotrope Phacelia Rock Phacelia Nemophila heterophylla Phacelia distans Phacelia imbricata ssp. imbricata Native Annual Native Annual Native Perennial Waterleaf Family Waterleaf Family Waterleaf Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park Yellow Page 9 of 27 Common Fiddleneck California Buttercup Prickleseed Buttercup Puncture Vine Amsinckia menziesii var. intermedia Ranunculus californicus Ranunculus muricatus Tribulus terrestris Native Annual Native Perennial Introduced Annual Introduced Annual Borage Family Buttercup Family Buttercup Family Caltrop Family Sweet Fennel Pacific Woodland Sanicle Golden Eggs Suncup Yellow Mariposa Lily Foeniculum vulgare Sanicula crassicaulis Camissonia ovata Calochortus luteus Introduced Perennial Native Perennial Native Perennial Native Perennial Carrot Family Carrot Family Evening Primrose Family Lily Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park Yellow Page 10 of 27 Erect-pod Winter Cress Black Mustard Yellow Field Mustard Yellow Charlock Barbarea orthoceras Brassica nigra Brassica rapa Sinapis arvensis Native Perennial Introduced Annual Introduced Annual Introduced Annual Mustard Family Mustard Family Mustard Family Mustard Family Creeping Wood Sorrel Bermuda Buttercup French Broom Bird's-foot Deerweed Oxalis corniculata Oxalis pes-caprae Genista monspessulana Lotus corniculatus Introduced Perennial Introduced Perennial Introduced Perennial Introduced Perennial Oxalis Family Oxalis Family Pea Family Pea Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park Yellow Page 11 of 27 Deerweed California Lotus Yellow Bush Lupine Gully Lupine Lotus scoparius var. scoparius Lotus wrangelianus Lupinus arboreus Lupinus microcarpus var. densiflorus Native Perennial Native Annual Native Perennial Native Annual Pea Family Pea Family Pea Family Pea Family California Bur Clover Shamrock Clover Bristly Linanthus Sharp Point Fluvellin Medicago polymorpha Trifolium dubium Linanthus acicularis Kickxia elatine Introduced Annual Introduced Annual Native Annual Introduced Annual Pea Family Pea Family Phlox Family Snapdragon Family revision 2/23/2007 Wildflowers of Pleasanton Ridge Regional Park Yellow Page 12 of 27 Bush Monkey Flower Golden Monkey Flower Yellow Johnny-tuck Common Woolly Mullein Mimulus aurantiacus Mimulus guttatus Triphysaria