A photographic guide to showy wildflowers of Ardenwood Historic Farm, part of East Bay Regional Park District. Published by East Bay Regional Park District.
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Ardenwood Wildflowers A photographic guide to showy wildflowers of Ardenwood Historic Farm 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 firstname.lastname@example.org. All photographs are © 2006 Wilde Legard, all rights reserved. revision 2/23/2007 Wildflowers of Ardenwood Regional Preserve White California Buckeye Aesculus californica Native Perennial Buckeye Family Common Yard Knotweed Polygonum arenastrum Introduced Annual Buckwheat Family Poison Hemlock Conium maculatum Introduced Biennial Carrot Family Blue Elderberry Sambucus mexicana Native Perennial Honeysuckle Family Hidden-flower Cheeseweed Malva parviflora Introduced Annual Mallow Family Field Bindweed Convolvulus arvensis Introduced Perennial Morning-Glory Family White Clover Trifolium repens Introduced Perennial Pea Family Mouse-ear Chickweed Cerastium glomeratum Introduced Annual Pink Family Page 1 of 9 revision 2/23/2007 Common Chickweed Stellaria media Introduced Annual Pink Family Wildflowers of Ardenwood Regional Preserve English Plantain Plantago lanceolata Introduced Annual Plantain Family Himalayan Blackberry Rubus discolor Introduced Perennial Rose Family White Native California Blackberry Rubus ursinus Native Perennial Rose Family Page 2 of 9 revision 2/23/2007 Wildflowers of Ardenwood Regional Preserve Yellow Puncture Vine Tribulus terrestris Introduced Annual Caltrop Family Sweet Fennel Foeniculum vulgare Introduced Perennial Carrot Family Black Mustard Brassica nigra Introduced Annual Mustard Family Yellow Field Mustard Brassica rapa Introduced Annual Mustard Family Bermuda Buttercup Oxalis pes-caprae Introduced Perennial Oxalis Family Bird's-foot Deerweed Lotus corniculatus Introduced Perennial Pea Family California Bur Clover Medicago polymorpha Introduced Annual Pea Family Sour Clover Melilotus indica Introduced Annual-Biennial Pea Family Page 3 of 9 revision 2/23/2007 Wildflowers of Ardenwood Regional Preserve Yellow Common Purslane Portulaca oleracea Introduced Perennial Purslane Family Yellow Johnny-tuck Triphysaria eriantha ssp. eriantha Native Annual Snapdragon Family Yellow Star Thistle Centaurea solstitialis Introduced Annual Sunflower Family Pineapple Weed Chamomilla suaveolens Introduced Annual Sunflower Family Brass Buttons Cotula coronopifolia Introduced Perennial Sunflower Family Dandelion-leaf Hawk's-beard Crepis vesicaria ssp. taraxifolia Introduced Annual-Biennial Sunflower Family Smooth Cat's-ear Hypochaeris glabra Introduced Annual Sunflower Family Bristly Ox-tongue Picris echioides Introduced Annual-Biennial Sunflower Family Page 4 of 9 revision 2/23/2007 Common Groundsel Senecio vulgaris Introduced Annual Sunflower Family Wildflowers of Ardenwood Regional Preserve Prickly Sow Thistle Sonchus asper ssp. asper Introduced Annual Sunflower Family Common Sow Thistle Sonchus oleraceus Introduced Annual Sunflower Family Yellow Page 5 of 9 Common Dandelion Taraxacum officinale Introduced Biennial-Perennial Sunflower Family revision 2/23/2007 Wildflowers of Ardenwood Regional Preserve Pink/Purple Red-stem Filaree Erodium cicutarium Introduced Annual Geranium Family White-stem Filaree Erodium moschatum Introduced Annual Geranium Family Purpletip Cut-leaf Geranium Geranium dissectum Introduced Annual Geranium Family Grass Poly Loosestrife Lythrum hyssopifolium Introduced Annual-Perennial Loosestrife Family Bull Mallow Malva nicaeensis Introduced Annual Mallow Family Wild Radish Raphanus sativus Introduced Annual Mustard Family Spring Vetch Vicia sativa ssp. sativa Introduced Annual Pea Family Winter Vetch Vicia villosa ssp. varia Introduced Annual-Biennial Pea Family Page 6 of 9 revision 2/23/2007 Ruby Sand Spurry Spergularia rubra Introduced Annual-Perennial Pink Family Purple Salsify Tragopogon porrifolius Introduced Biennial-Perennial Sunflower Family Wildflowers of Ardenwood Regional Preserve Italian Thistle Carduus pycnocephalus Introduced Annual Sunflower Family Bull Thistle Cirsium vulgare Introduced Biennial Sunflower Family Pink/Purple Milk Thistle Silybum marianum Introduced Annual-Biennial Sunflower Family Page 7 of 9 revision 2/23/2007 Persian Speedwell Veronica persica Introduced Annual Snapdragon Family Wildflowers of Ardenwood Regional Preserve Blue Page 8 of 9 revision 2/23/2007 California Poppy Eschscholzia californica Native Perennial Poppy Family Wildflowers of Ardenwood Regional Preserve Scarlet Pimpernel Anagallis arvensis Introduced Annual Primrose Family Red/Orange Page 9 of 9