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