Lambert crazyweed. 216
Lanceleaf salvia. 242
Lappula redowskii. 82
Lappula texana. 83
Lavenderleaf evening primrose. 17
Lemon painted-cup. 247
Lesquerella gordonii. 27
Lesquerella ovalifolia. 26
Leucelene ericoides. 158
Liatris punctata. 190
Linum pratense. 57
Linum rigidum var. berlandieri. 61
Linum rigidum var. rigidum. 62
Low milkvetch . 218
Low stickseed. 82
Lygodesmia juncea. 181
Melampodium leucanthum. 131
Melilotus officinalis. 200
Mentzelia nuda. 122
Mentzelia oligosperma. 52
Mirabilis linearis. 75
Missouri milkvetch . 215
Narrowleaf bluet. 5
Narrowleaf four-o'clock. 75
Nettle leaf noseburn. 267
Norton's flax. 57
Oenothera macrocarpa. 14
Opuntia macrorhiza. 119
Oval-leaf bladderpod. 26
Oxytropis lambertii. 216
Oxytropis sericea. 221
Paperflower. 128
Paronychia jamesii. 262
Plains blackfoot. 131
Plains chinese-lantern. 90
Plains daisy. 169
Plains hymenoxys. 127
Plains yellow evening primrose. 20
Plantago patagonica. 266
Plume dalea. 213
Poison ivy. 270
Polanisia dodecandra. 8
Polygala alba. 268
Prairie groundsel. 126
Psilostrophe villosa. 128
Psoralea tenuiflora var. tenuiflora. 203
Puncture vine. 49
Purple poppy mallow. 58