Woody Plants			Perennials
Plant Genus	Common Name	# of Lepidoptera Species Supported	Plant Genus	Common Name	# of Lepidoptera Species Supported
Quercus	oak	534	Solidago	goldenrod	115
Prunus	black cherry	456	Aster	asters	112
Salix	willow	455	Helianthus	sunflower	73
Betula	birch	413	Eupatorium	joe pye, boneset	42
Populus	poplar	368	Ipomoea	morning glory	39
Malus	crabapple	311	Carex	sedges	36
Vaccinium	blueberry	288	Lonicera	honeysuckle	36
Acer	maple	285	Lupinus	lupine	33
Ulmus	elm	213	Viola	violets	29
Pinus	pine	203	Geranium	geraniums	23
Carya	hickory	200	Rudbeckia	black-eyed susan	17
Crataegus	hawthorn	159	Iris	iris	17
Picea	spruce	156	Oenothera	evening primrose	16
Alnus	alder	156	Asclepias	milkweed	12
Tilia	basswood	150	Verbena	verbena	11
Fraxinus	ash	150	Penstemon	beardtongue	8
Rosa	rose	139	Phlox	phlox	8
Corylus	filbert	131	Monarda	bee balm	7
Juglans	walnut	130	Veronica	veronica	6
Fagus	beech	126	Schizachyrinum	little bluestem	6
Castanea	chestnut	125	Lobelia	cardinal flower	4

For a complete list, visit copland.udel.edu/~dtallamy/host/index.html.

Recommended Reading:

Tallamy, D., 2007, Bringing Nature Home, Timber Press
Louv, R., 2005, Last Child in the Woods, Algonquin Books
Wilcove, D., 2008, No Way Home, Island Press