Plants with flowers not white, yellow, or green
 Geum rivale (Purple Avens) |
 Geum triflorum (Three-Flowered Avens, Prairie Smoke) |
 Glechoma hederacea (Ground Ivy, Creeping Charlie) |
 Hackelia floribunda (Large-Flowered Stickseed) |
 Halenia deflexa (Spurred Gentian) |
 Hedeoma hispida (Rough Pennyroyal) |
 Hedysarum alpinum (American Hedysarum) |
 Hedysarum boreale (Northern Hedysarum) |
 Hesperis matronalis (Dame's Rocket) |
 Heuchera richardsonii (Alumroot) |
 Hieracium aurantiacum (Orange Hawkweed) |
 Houstonia longifolia (Long-Leaved Bluets) |
 Hyoscyamus niger (Black Henbane) |
 Hypopitys monotropa (Pinesap) |
 Impatiens capensis (Jewelweed, Spotted Touch-Me-Not) |
 Iris versicolor (Blue Flag) |
 Juniperus communis (Low Juniper) |
 Juniperus horizontalis (Creeping Juniper) |
 Juniperus scopulorum (Rocky Mountain Juniper) |
 Kalmia polifolia (Bog Laurel) |
 Lactuca biennis (Tall Blue Lettuce) |
 Lamium purpureum (Purple Deadnettle) |
 Lappula squarrosa (Bluebur) |
 Lathyrus venosus (Wild Peavine) |
 Leonurus cardiaca (Motherwort) |
 Liatris ligulistylis (Meadow Blazing Star) |
 Liatris punctata (Dotted Blazing Star) |
 Lilium philadelphicum (Western Red Lily, Western Wood Lily) |
 Linnaea borealis (Twinflower) |
 Linum lewisii (Wild Blue Flax) |
 Lithospermum canescens (Hoary Puccoon) |