Plants with flowers not white, yellow, or green
 Lobelia kalmii (Kalm's Lobelia) |
 Lobelia spicata (Spiked Lobelia) |
 Lomatogonium rotatum (Marsh Felwort) |
 Lonicera dioica (Twining Honeysuckle) |
 Lonicera tatarica (Tatarian Honeysuckle) |
 Lupinus argenteus (Silvery Lupine) |
 Lupinus pusillus (Small Lupine) |
 Lygodesmia juncea (Skeletonweed) |
 Lysimachia maritima (Sea Milkwort) |
 Lythrum salicaria (Purple Loosestrife) |
 Mentha arvensis (Wild Mint) |
 Mertensia lanceolata (Lance-Leaved Lungwort) |
 Mertensia paniculata (Tall Lungwort) |
 Mimulus ringens (Blue Monkey Flower) |
 Mirabilis albida (Hairy Umbrellawort) |
 Mirabilis linearis (Narrow-Leaved Umbrellawort) |
 Mirabilis nyctaginea (Heart-Leaved Umbrellawort) |
 Mitella nuda (Bishop's Cap) |
 Monarda fistulosa (Western Bergamot) |
 Mulgedium oblongifolium (Blue Lettuce) |
 Navarretia leucocephala (Pincushion Plant) |
 Neottia cordata (Heart-Leaved Twayblade) |
 Oenothera suffrutescens (Scarlet Gaura) |
 Onobrychis viciifolia (Sainfoin) |
 Orobanche corymbosa (Flat-Topped Broom-rape) |
 Orobanche fasciculata (Clustered Broom-rape) |
 Orobanche uniflora (One-Flowered Cancer Root) |
 Oxytropis besseyi (Bessey's Locoweed) |
 Oxytropis deflexa (Reflexed Locoweed) |
 Oxytropis lambertii (Purple Locoweed) |
 Oxytropis splendens (Showy Locoweed) |