Pea Subfamily 2 (Fabaceae) -- Genus I to Z
purple peavine (Lathyrus eucosmus) -- in May -- Overlook Trail, Lory State Park, CO blue & purple
purple peavine (Lathyrus eucosmus) -- in May -- Mariana Butte Natural Area, Loveland, CO
aspen pea (Lathyrus lanszwertii var. laetivirens) -- in July -- Chambers Lake, Roosevelt National Forest, CO white & cream
aspen pea (Lathyrus lanszwertii var. laetivirens) -- in May -- Mesa Trail, South Mesa Trailhead, Boulder County white & cream
Nevada pea (Lathyrus lanszwertii var. leucanthus) -- in June -- Kebler Pass Road, Gunnison County, CO white & cream
perennial pea (Lathyrus latifolius) -- in July -- Floriston, northern California red & pink
perennial pea (Lathyrus latifolius) -- in June -- Watson Lake State Wildlife Area, CO
cream-flowered peavine (Lathyrus ochroleucus) -- in June -- Glacier National Park, MT white & cream
manystem pea (Lathyrus polymorphus var. incanus) -- in June -- Sportsman Lake Road, WY red & pink
manystem pea (Lathyrus polymorphus var. incanus) -- in May -- Pawnee National Grassland, CO
bird's-foot trefoil (Lotus corniculatus) -- in August -- Chambers Lake Area, Roosevelt National Forest, CO yellow & orange
bird's-foot trefoil (Lotus corniculatus) -- in August -- Rustic, CO
bird's-foot trefoil (Lotus corniculatus) -- in August -- Cherryvale Trail, Boulder County, CO
shrubby deervetch (Lotus rigidus) -- in March -- Salt River Canyon, Tonto National Forest, AZ yellow & orange
strigose bird's-foot trefoil (Lotus strigosus) -- in March -- Freda, Mojave Desert, southern California yellow & orange
narrow-leaf bird's-foot trefoil (Lotus tenuis) -- in June -- road to Eldorado Canyon State Park, CO yellow & orange
American bird's-foot trefoil (Lotus unifoliolatus) -- in July -- Klamath Falls to Ashland (Rt. 66), OR white & cream
sicklekeel lupine (Lupinus albicaulis) -- in July -- Mount Rose, Humboldt-Toiyabe National Forest, northern Nevada white & cream
sand lupine (Lupinus ammophilus) -- in May --Navajo Lake State Park, NM blue & purple
narrowflower lupine (Lupinus angustiflorus) -- in July -- Lassen Volcanic National Park, CA yellow & orange
spurred lupine (Lupinus arbustus) -- in July --Sheldon National Wildlife Refuge, NV blue & purple
silvery lupine (Lupinus argenteus) -- in June -- Orchard Cove Trail, Lory State Park, CO blue & purple
silvery lupine (Lupinus argenteus) -- in June -- Sportsman Lake Road, near Tie Siding, WY
silvery lupine (Lupinus argenteus subsp. argenteus) -- in June -- Cherokee Park State Wildlife Area, CO white & cream
silvery lupine (Lupinus argenteus) -- in July -- North Fork Trail, Big Thompson Canyon, Larimer County, CO
silvery lupine (Lupinus argenteus ssp. rubricaulis) -- in July -- Grand Teton National Park, WY blue & purple
Brewer's lupine (Lupinus breweri) -- in July -- Mount Rose, Humboldt-Toiyabe National Forest, northern Nevada blue & purple
tailcup lupine (Lupinus caudatus) -- in April -- Sand Creek National Landmark, WY blue & purple
saffron-flowered lupine (Lupinus croceus) -- in July -- Klamath Falls to Ashland (Rt. 66), OR yellow & orange
Big Bend blubonnet (Lupinus havardii) -- in April -- Big Bend National Park, TX blue & purple
broadleaf lupine (Lupinus latifolius) -- in July -- Yosemite National Park, CA blue & purple
Pacific lupine (Lupinus lepidus) -- in July -- Tahoe National Forest, northern California blue & purple
Donner Lake lupine (Lupinus lepidus var. lobii) -- in June -- Steens Mountain Wilderness Area, OR blue & purple
velvet lupine (Lupinus leucophyllus) -- in June -- Steens Mountain Wilderness Area, OR blue & purple
jawleaf lupine (Lupinus malacophyllus) -- in July -- Sheldon National Wildlife Refuge, NV white & cream
bluntlobe lupine (Lupinus obtusilobus) -- in July -- Yosemite National Park, CA blue & purple
hairy bigleaf lupine (Lupinus prunophilus) -- in June -- Schofield Pass Road, Gunnison County, CO blue & purple
rusty lupine (Lupinus pusillus) -- in May -- Pawnee National Grassland, CO blue & purple
rusty lupine (Lupinus pusillus) -- in April -- Arches National Park, UT
Coulter's lupine (Lupinus sparsiflorus) -- in March -- Salt River Canyon, Tonto National Forest, AZ blue & purple
valley lupine (Lupinus subvexus var. subvexus) -- in July -- Lava Beds National Monument, CA red & pink
Parry's false prairie-clover (Marina parryi) -- in March -- Palo Verde, southern California blue & purple
black medic (Medicago lupulina) -- in May -- Orchard Cove Trail, Lory State Park, CO yellow & orange
alfalfa (Medicago sativa) -- in June -- Wray, Yuma County, CO
alfalfa (Medicago sativa) -- in August -- East Valley Trail, Lory State Park, Larimer County, CO
alfalfa (Medicago sativa) -- in August -- Cherryvale Trail, Boulder County, CO
alfalfa (Medicago sativa) -- in August -- Pelican Marsh, Fort Collins Natural Area, Larimer County, CO
alfalfa (Medicago sativa) -- in August -- Indian Meadows North, Poudre Canyon, Larimer County, CO
white sweetclover (Melilotus albus) -- in June -- Coyote Ridge, Fort Collins Natural Area, Fort Collins, CO white & cream
white sweetclover (Melilotus albus) -- in August -- Tanglewood, Fort Collins Natural Area, CO
yellow sweetclover (Melilotus officinalis) -- in June -- Mt. Margaret, Red Feather Lakes Area, Roosevelt NF, CO yellow & orange
yellow sweetclover (Melilotus officinalis) -- in June -- Neva Road/ 36, Boulder County, CO
fragrant mimosa (Mimosa borealis) -- in April -- River Road East, Big Bend National Park, Texas red & pink
nodding locoweed (Oxytropis deflexa) -- in July -- McCullough Gulch, Summit County, CO blue and purple
meadow locoweed (Oxytropis deflexa var. sericea) -- Sand Creek Pass, Larimer County, CO white & cream
Colorado locoweed (Oxytropis lambertii var. bigelovii) -- in May -- Blue Sky Trail, Larimer County, CO red & pink
Colorado locoweed (Oxytropis lambertii var. bigelovii) -- in April -- Horsetooth Mountain Open Space, Larimer County, CO
Colorado locoweed (Oxytropis lambertii var. bigelovii) -- in July -- Vedauwoo Recreation Area, southeastern Wyoming
locoweed hybrid (Oxytropis lambertii x sericea) -- in May -- Pawnee National Grassland, CO red & pink
locoweed hybrid (Oxytropis lambertii x sericea) -- in May -- Bellvue, Larimer County, CO.
Nuttall's oxytrope (Oxytropis multiceps) -- in April -- Lory State Park, CO red & pink
white locoweed (Oxytropis sericea var. sericea) -- in May -- Reservoir Ridge Natural Area, Fort Collins, CO white & cream
white locoweed (Oxytropis sericea var. sericea) -- in July -- Hermit Park Open Space, Larimer County, CO
white locoweed (Oxytropis sericea var. sericea) -- in May -- Reservoir Ridge, Fort Collins Natural Area, CO
white locoweed (Oxytropis sericea var. sericea) -- in June -- Hall Ranch Open Space, Boulder County, CO
showy locoweed (Oxytropis splendens) -- in July -- FR 659 near Fairplay, Park County, CO blue and purple
Texas paloverde (Parkinsonia texana var. texana) -- in April -- Santa Elena Canyon, Big Bend Ranch SP, TX yellow & orange
prairie turnip (Pediomelum esculentum) -- in June -- Pawnee Buttes, Pawnee National Grassland, CO blue & purple
prairie turnip (Pediomelum esculentum) -- in June -- Wray, Yuma County, CO
lemon scurfpea (Psoralidium lanceolatum) -- in June -- Wray, Yuma County, CO white & cream
slimflower scurfpea (Psoralidium tenuiflorum) -- in June -- Lory State Park, CO blue & purple
slimflower scurfpea (Psoralidium tenuiflorum) -- in June -- Neva Road/ 36, Boulder County, CO blue & purple
bristly locust (Robinia hispida) -- in June -- Rocky Mountain Arsenal NWR, Denver area, CO red & pink
black locust (Robinia pseudoacacia) -- in June -- Masonville, Larimer County Foothills white & cream
crown vetch (Securigera varia) -- in July -- Boulder County, CO red & pink
twinleaf senna (Senna bauhinioides) -- in July -- Bosque del Apache National Wildlife Refuge, NM yellow & orange
Trans-Pecos senna (Senna pilosior) -- in April -- Big Bend Ranch State Park, TX yellow & orange
silky sophora (Sophora nuttalliana) -- in May -- Pawnee National Grassland, CO white & cream
spreadfruit goldenbanner (Thermopsis divaricarpa) -- in June -- Old Flowers Road, Roosevolt National Forest, CO yellow & orange
spreadfruit goldenbanner (Thermopsis divaricarpa) -- in June -- Mill Creek Link Trail, Lory State Park, CO
golden pea (Thermopsis montana) -- in June -- Harrison, southern Montana yellow & orange
golden banner (Thermopsis rhombifolia) -- in April -- Bellvue, Larimer County Foothills yellow & orange
golden banner (Thermopsis rhombifolia) -- in April -- Coyote Ridge Natural Area, Fort Collins Natural Area
golden banner (Thermopsis rhombifolia) -- in May -- Pawnee National Grassland, CO
alpine clover (Trifolium dasyphyllum) -- in July -- Old Fall River Road, Rocky Mountain National Park, CO red & pink
strawberry clover (Trifolium fragiferum) -- in July -- Magpie Meander, a Fort Collins Natural Area, Larimer County, CO
alsike clover (Trifolium hybridum) -- in July -- Cherokee Park State Wildlife Area (Upper Unit), CO red & pink
alsike clover (Trifolium hybridum) -- in August -- Montgomery Pass Trail, Larimer County, CO
Hansen's clover (Trifolium longipes ssp. hansenii) -- in July -- Lassen Volcanic National Park, CA red & pink
longstalk clover (Trifolium longipes var. multipendunculatum) -- in June -- Steens Mountain Wilderness Area, OR red & pink
mountain carpet clover (Trifolium monanthum) -- in July -- Mount Rose, Humboldt-Toiyabe NF, northern Nevada white & cream
dwarf clover (Trifolium nanum) -- in August -- Mt. Evans Wilderness, Arapaho National Forest, CO red & pink
Parry's clover (Trifolium parryi) -- in July -- Snowy Range, Medicine Bow National Forest, WY red & pink
Parry's clover (Trifolium parryi) -- in August -- Snowy Range, Medicine Bow National Forest, WY
red clover (Trifolium pratense) -- in June -- South Saint Vrain Creek, Roosevelt National Forest, Larimer County Foothills red & pink
red clover (Trifolium pratense) -- in August -- Ramsay-Shockey Open Space, Larimer County, CO red & pink
red clover (Trifolium pratense) -- in August -- Cherryvale Trail, Boulder County, CO
red clover - white form (Trifollium pratense) -- in July -- Wild Basin, Rocky Mountain NP, CO white & cream
American vetch (Vicia americana) -- in May -- Neva Road/ 36, Boulder County, CO blue & purple
American vetch (Vicia americana) -- in May -- Picketwire Canyon, Comanche National Grassland, CO
American vetch (Vicia americana) -- in May -- Mesa Trail, South Mesa Trailhead, Boulder County, CO
American vetch (Vicia americana) -- in May -- Timber Trail, Lory State Park blue & purple
American vetch (Vicia americana) -- in May -- Bellvue, Larimer County, CO
American wisteria (Wisteria frutescens) -- in April -- Pisgah National Forest, western North Carolina blue & purple