Saturday, April 17, 2021 – Class led by Wendy Dreskin Stinging Nettle Urtica dioica – host plant for Red Admiral and Satyr Comma Salmonberry Rubus spectabilis Twinberry Honeysuckle Lonicera involucrata Gooseberry – Host for Oreas Comma Candy Flower Claytonia sibirica Pacific Bleeding Heart Dicentra formosa – Host to Clodius Parnassian (may no longer be in Marin) Field Mustard Brassica rapa (non-native) Host to Margined White, Sara Orangetip, Cabbage White Ribwort Plantain Plantago lanceolata (non-native) Host plant for Buckeye, Painted Lady, Variable Checkerspot Willow – host to Western Tiger Swallowtail, Mourning Cloak, Lorquin’s Admiral Alder – host to Western Tiger Swallowtail, Mourning Cloak Red-flowering Currant Ribes sanguineum Sheep’s Sorrel Rumex acetosella (non-native) Host plant for Lustrous Copper California Mugwort Artemisia douglasiana Nest used by Black Phoebe and Pacific Slope Flycatcher Wavy-leafed Soap Plant Chlorogalum pomeridianum – Host to Brown Elfin Subterranean Clover Trifolium subterraneum (non-native) Lady Fern Athyrium filix-femina Douglas Iris Iris douglasiana California Poppy Eschscholzia californica Orange Bush Monkeyflower Diplacus aurantiacus – Host to Variable Checkerspot and Common Buckeye Paintbrushes Genus Castilleja – host to Northern Checkerspot Blueblossom Ceanothus thyrsiflorus – host to California Tortoiseshell, Spring Azure Turret of California Turret Spider Atypoides riversi Tom Cat Clover – Trifolium willdenovii Wild Strawberry Fragaria vesca Common Yarrow Achillea millefolium – host to Painted Lady California Manroot Marah fabacea Leptoglossus zonatus on California Manroot Marah fabacea Pacific Hound’s Tongue Adelinia grande Osoberry Oemleria cerasiformis Pacific Pea Lathyrus vestitus Star-flowered Lily-of-the-Valley Maianthemum stellatum Beaked Hazelnut Corylus cornuta Ocean Spray Holodiscus discolor – host to Spring Azure and Lorquin’s Admiral Miner’s Lettuce Chickweed Goldback Fern and Bedstraw False Solomon’s Seal Maianthemum racemosum Trillium chloropetalum var. chloropetalum Giant Scouring Rush – Equisetum hyemale ssp. affine Rushes Genus Juncus Seep Spring Monkey Flower Poison Hemlock Conium maculatum (non-native) Host to Anise Swallowtail Bedstraws Genus Galium dead Garter Snake California Ringlet Coenonympha tullia ssp. california Douglas Iris Margined White Pieris marginalis Bird’s-foot Trefoil Lotus corniculatus – Host to Orange Sulphur, Common Hairstreak, Eastern tailed blue Anna’s Hummingbird Anna’s Hummingbird Anna’s Hummingbird Twinberry Honeysuckle Twinberry Honeysuckle Gall Twinberry Honeysuckle Gall Twinberry Honeysuckle Gall Cow Parsnip – Host for Anise Swallowtail California Bordered Plant Bug Largus californicus Margined White Plantain (native) Gall on Coffeeberry Trailing Blackberry Rubus ursinus Common Checkered-Skipper Burnsius communis Common Checkered-Skipper Burnsius communis Common Checkered-Skipper Burnsius communis Common Checkered-Skipper Burnsius communis pollen on Cypress Red Beard Lichen Usnea rubicunda