TABLE 1: Willamette Valley Butterflies and Native Host Plants
Bruce Newhouse, January 2001

NATIVE WILLAMETTE VALLEY HOST PLANTS		Common Willamette Valley butterfly species or groups that use plant as host
Common Name	Latin Name	Documented	Suspected
nettles, stinging	Urtica dioica	red admiral, painted lady, w. coast painted lady, satyr anglewing, Milbert's tortoiseshell	green anglewing
cherry, choke	Prunus virginiana	w. tiger and pale tiger swallowtails, Lorquin's admiral, echo blue	painted lady
lupine, many-leaved	Lupinus polyphyllus	painted lady, w. tailed blue, silvery blue	clouded sulphur, w. coast painted lady, gray hairstreak, echo blue, Fender's blue, acmon blue, silver-spotted skipper
vetch, American	Vicia americana	orange sulphur, clouded sulphur, gray hairstreak, w. tailed blue	silvery blue
oceanspray	Holodiscus discolor	pale tiger swallowtail, Lorquin's admiral, echo blue	-
willow, Scouler's	Salix scouleriana	w. tiger swallowtail	Lorquin's admiral
yellow monkeyflower	Mimulus guttatus	buckeye, mylitta crescent	w. checkerspot, Edith's checkerspot
cress, American winter	Barbarea othoceras	Sara orange tip, sharp-veined white	w. white
violet, early blue	Viola adunca var. adunca	great spangled fritillary, hydaspe fritillary, callippe fritillary	w. meadow fritillary, valley silverspot
mugwort	Artemesia douglasiana	painted lady, American painted lady	w. coast painted lady
oak, Oregon white	Quercus garryana	propertius dusky wing	Lorquin's admiral, California sister, gray hairstreak, echo blue
everlasting, pearly	Anaphalis margaritacea	painted lady, American painted lady	w. coast painted lady
NATIVE WILLAMETTE VALLEY HOST PLANTS		Common Willamette Valley butterfly species or groups that use plant as host
Common Name	Latin Name	Documented	Suspected
violet, stream	Viola glabella	w. meadow fritillary, hydaspe fritillary, callippe fritillary	great spangled fritillary, valley silverspot
maple, bigleaf	Acer macrophyllum	w. tiger swallowtail	mourning cloak, echo blue
milkweed, showy	Asclepias speciosa	monarch	gray hairstreak
yarrow	Achillea millefolium	painted lady	purplish copper, gray copper, two-banded checkered skipper
heart, bleeding	Dicentra formosa	clodius parnassian	-
lomatium, fernleaf	Lomatium dissectum	anise swallowtail	-
cinquefoil, slender	Potentilla gracilis	-	purplish copper, two-banded checkered skipper
checkermallow, meadow	Sidalcea campestris	-	w. coast painted lady, common checkered skipper, two-banded checkered skipper
checkermallow, rosy	Sidalcea virgata	-	w. coast painted lady, common checkered skipper, two-banded checkered skipper
strawberry, broadpetal	Fragaria virginiana var. platyphylla	painted lady	gray hairstreak
Nootka rose	Rosa nutkana	w. checkerspot	gray hairstreak, w. checkerspot

Native grasses used by skippers & common wood nymph :(blue wildrye (Elymus glaucus), California fescue (Festuca californica), California brome, Bromus carinatus, etc.)

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Butterfly Gardening Introduction

Table # 2 Willamette Valley Native Host Plants for Butterflies

Table # 3 Willamette Valley Native Nectar Plants for Butterflies

Photographs of Native Host Plants for Butterflies

Photographs of Native Nectar Plants for Butterflies

Download Tanya Harvey's list of Favorite Butterfly Plants in pdf format