Pea SubFamily 1 (Fabaceae) -- Genus A to H
catclaw acacia (Acacia greggii) -- in April -- River Road East, Big Bend National Park, Texas yellow & orange
viscid acacia (Acacia neovernicosa) -- in April -- River Road East, Big Bend National Park, Texas yellow & orange
blackbrush acacia (Acacia rigidula) -- in April -- Big Bend National Park, Texas yellow & orange
Greene's bird's-foot trefoil (Acmispon greenei) -- in April -- Organ Mountains-Desert Peaks, NM yellow & orange
false indigo bush (Amorpha fruticosa) -- in June -- St. Vrain State Park, CO blue and purple
field milkvetch (Astragalus agrestis) -- in May -- South Valley Loop Trail, Lory State Park, CO blue & purple
field milkvetch (Astragalus agrestis) -- in April -- Homestead Trail, South Mesa Trailhead, Boulder County, CO
field milkvetch (Astragalus agrestis) -- in May -- Mill Creek Link Trail, Lory State Park, CO blue & purple
halfmoon milkvetch (Astragalus allochrous) -- in April -- Dripping Springs Natural Area, NM blue & purple
alpine milkvetch (Astragalus alpinus) -- in June -- Old Flowers Road, Roosevelt National Forest, CO white & cream
alpine milkvetch (Astragalus alpinus) -- in July -- Shoshone National Forest, Fremont County, WY
Indian milkvetch (Astragalus australis) -- in July -- Hermit Peak Open Space, Larimer County, CO white & cream
two-grooved milkvetch (Astragalus bisulcatus) -- in June -- Pawnee National Grassland, CO red & pink CO-G
Canadian milkvetch (Astragalus canadensis) -- in July -- Well Gulch Nature Trail, Lory State Park, CO white & cream
chickpea milkvetch (Astragalus cicer) -- in June -- Lory State Park, CO white & cream
chickpea milkvetch (Astragalus cicer) -- in July -- Boreas Pass Road, Park County, CO
chickpea milkvetch (Astragalus cicer) -- in September -- Greyrock Trail, Poudre Canyon, Larimer County, CO
lesser rushy milkvetch (Astragalus convallarius) -- in May -- Dinosaur National Monument, CO white & cream
ground-plum (Astragalus crassicarpus) -- in June -- Lady Moon Trail, Red Feather Lakes Area, Larimer County, CO
ground-plum (Astragalus crassicarpus) -- in April -- West Valley Trail, Lory State Park, CO white & cream
ground plum (Astragalus crassicarpus) -- in May -- Eagle's Nest Open Space, Larimer County, CO white & cream
ground plum (Astragalus crassicarpus) -- in June -- Pawnee National Grassland, CO
rimrock milkvetch (Astragalus desperatus) -- in April -- Colorado National Monument, CO red & pink
Drummond's milkvetch (Astragalus drummondii) -- in June -- Beartooth Highway, Gallatin NF, southern Montana white & cream
Drummond's milkvetch (Astragalus drummondii) -- in May -- Neva Road/ 36, Boulder County, CO
Drummond's milkvetch -- in June -- Mill Creek Link Trail, Lory State Park
Eastwood's milkvetch (Astragalus eastwoodiae) -- in March -- road from Cisco to Moab, southern Utah red & pink
yellow milkvetch (Astragalus flavus var. flavus) -- in April -- rt. 128 north of Moab, southern Utah yellow and orange
flexile milkvetch (Astragalus flexuosus var. flexuosus) -- in May -- Orchard Cove Trail, Lory State Park, CO red & pink
flexile milkvetch (Astragalus flexuosus var, flexuosus) -- in May -- West Valley Trail, Lory State Park, CO red & pink
plains milkvetch (Astragalus gilviflorus) -- in May -- Pawnee National Grassland, CO white & cream
slender milkvetch (Astragalus gracilis) -- in May -- Picketwire Canyon, Comanche National Grassland, CO red & pink
slender milkvetch (Astragalus gracilis) -- in June -- Mill Creek Link Trail, Lory State Park, CO red & pink
slender milkvetch (Astragalus gracilis) -- in June -- Wray, Yuma County, CO red & pink
Laxmann's milkvetch (Astragalus laxmannii var. robustior) -- in May -- Lory State Park white & cream
Laxmann's milkvetch (Astragalus laxmannii var. robustior) -- in June -- Mill Creek Link Trail, Lory State Park, CO
freckled milkvetch (Astragalus lentiginosus var. palans) -- in April -- Unaweep Canyon, Mesa County, CO blue & purple
rare loco milkevetch (Astragalus leptocarpus) -- in April -- Big Bend National Park, Texas blue & purple
long-pod milkvetch (Astragalus lonchocarpus) -- in May -- Navajo Lake State Park, NM white & cream
lotus milkvetch (Astragalus lotiflorus) -- in May -- Chalk Bluffs area in northern Weld County, CO blue & purple
timber milkvetch (Astragalus miser) -- in June -- Golden Gate Canyon State Park, CO
timber milkvetch (Astragalus miser) -- in August -- Weston Pass Road, Park County, CO blue & purple
Missouri milkvetch (Astragalus missouriensis var. missouriensis) -- in June -- Bobcat Ridge Natural Area, Ft. Collins, CO red & pink
Misssouri milkvetch (Astragalus missouriensis var. missouriensis) -- in April -- Lory State Park, CO
Missouri milkvetch (Astragalus missouriensis var. missouriensis) -- in April -- Comanche National Grassland, CO red & pink
Missouri milkvetch (Astragalus missouriensis var. missouriensis) -- in May -- Blue Sky Trail, Larimer County Open Space, CO
Missouri milkvetch (Astragalus missouriensis var. missouriensis) -- in June -- Pawnee National Grassland, CO red & pink
wooly locoweed (Astragalus mollissimus) -- in May -- Pawnee National Grassland, CO red & pink
wooly locoweed (Astragalus mollissimus var. bigelovii) -- in April -- Villanueva State Park, NM red & pink NM-N
Thompson's loco (Astragalus mollissimus var. thompsoniae) -- Colorado National Monument, CO red & pink
Nuttall's milkvetch (Astragalus nuttallianus var. micranthiformis) -- in May -- Canyons of the Ancients NM, CO red & pink
Parry's milkvetch (Astragalus parryi) -- in May -- Overlook Trail, Lory State Park, CO white & cream
Parry's milkvetch (Astragalus parryi) -- in May -- Upper Beaver Meadows, Rocky Mountain National Park, CO
narrowleaf milkvetch (Astragalus pectinatus) -- in June -- Sportsman Lake Road, WY white & cream
narrowleaf milkvetch (Astragalus pectinatus) -- in June -- Pawnee National Grassland, CO
Preuss' milkvetch (Astragalus preussii) -- in March -- Monument Valley, southern Utah red & pink
Preuss' milkvetch (Astragalus preussii) -- in April -- Arches National Park, UT
Pursh's milk-vetch (Astragalus purshii) -- in June -- Phantom Canyon Preserve, Co white & cream
Rocky Mountain milkvetch (Astragalus scopulorum) -- in May -- Black Canyon of the Gunnison National Park, CO white & cream
silky milkvetch (Astragalus sericoleucus) -- in May -- Red Mountain Open Space, Larimer County, CO red & pink
silky milkvetch (Astragalus sericoleucus) -- in May -- Lory State Park, CO
Short's milkvetch (Astragalus shortianus) -- in May -- Bellvue, Larimer County, CO
Short's milkvetch (Astragalus shortianus) -- in April & June --Mill Creek Link Trail, Lory State Park, CO red & pink
Short's milkvetch (Astragalus shortianus) -- in April -- Sand Creek National Landmark, WY
Short's milkvetch (Astragalus shortianus) -- in April -- Kimmons Trail, Lory State Park, CO
Short's milkvetch (Astragalus shortianus) -- in April -- Kimmons Trail, Lory State Park, CO
tufted milkvetch (Astragalus spatulatus) -- in May -- Pawnee National Grassland, CO red & pink
looseflower milkvetch (Astragalus tenellus) -- in July -- Cherokee Park Road, southern Wyoming white & cream
ashen milkvetch (Astragalus tephrodes) -- in April -- Organ Mountains-Desert Peaks, NM red & pink
three-finger milkvetch (Astragalus tridactylicus) -- in May -- Shoreline Trail, Lory State Park, CO red & pink
three-finger milkvetch (Astragalus tridactylicus) -- in March -- Boulder County, CO red & pink
three-finger milkvetch (Astragalus tridactylicus) -- in April -- Shoreline Trail, Lory State Park, CO
balloonpod milkvetch (Astragalus whitneyi) -- in June -- Steens Mountain Wilderness Area, OR white & cream
Fort Wingate milkvetch (Astragalus wingatanus) -- in May -- Yampa Bench Road, Dinosaur National Monument red & pink
Fort Wingate milkvetch (Astragalus wingatanus) -- in April -- Unaweep Canyon, Mesa County, CO red & pink
Fort Wingate milkvetch (Astragalus wingatanus) -- in May -- Canyons of the Ancients National Monument, CO
bird-of-paradise shrub (Caesalpinia gilliesii) -- in September -- Villanueva State Park, NM yellow & orange
James' holdback (Caesalpinia jamesii) -- in July -- Bosque del Apache National Wildlife Refuge, NM yellow & orange
fairyduster (Calliandra eriophylla) -- in March -- Boyce Thompson Arboretum State Park, Arizona red & pink
fairyduster (Calliandra eriophylla) -- in March -- Cabeza Prieta National Wildlife Refuge, AZ red & pink
fairyduster (Calliandra eriophylla) -- in March -- Ogilvy Road, southern California red & pink
Siberian peashrub (Caragana arborescens) -- in June -- road to Pingree Park, Roosevelt National Forest, CO yellow & orange
Siberian peashrub (Caragana arborescens) -- in June -- Well Gulch Nature Trail, Lory State Park, CO
eastern redbud (Cercis canadensis) -- in April -- Alabaster Caverns State Park, nothern Oklahoma red & pink
Bladder senna (Colutea arborescens) -- in July -- Gregory Canyon, Boulder County, CO
white prairie clover (Dalea candida) -- in June -- Grasslands, CO white & cream
white prairie clover (Dalea candida) -- in June -- Neva Road/ 36, Boulder County, CO white & cream
white prairie clover (Dalea candida) -- in July -- McMurry, Fort Collins Natural Area, Larimer County, CO
featherplume (Dalea formosa) -- in April -- Organ Mountains-Desert Peaks, NM red & pink
black prairie clover (Dalea frutescens) -- in September -- Villanueva State Park, NM blue and purple
James' prairie clover (Dalea jamesii) -- in April --Big Bend Ranch State Park, TX yellow and orange
hairy prairie clover (Dalea mollis) -- in March -- Organ Pipe Cactus National Monument, AZ red & pink
bearded prairie clover (Dalea pogonathera) -- in April -- Big Bend National Park, Texas blue & purple
purple prairie clover (Dalea purpurea) -- in July -- South Valley Loop Trail, Lory State Park, CO red & pink
purple prairie clover (Dalea purpurea) -- in July -- Watson Lake SWA, Bellvue, CO
honeylocust (Gleditsia triacanthos) -- in September -- Nix Natural Area, Fort Collins, CO green & brown
wild licorice (Glycyrrhiza lepidota) -- in July & September -- South Valley Loop Trail, Lory State Park, CO white & cream
wild licorice (Glycyrrhiza lepidota) -- in August -- Well Gulch Nature Trail, Lory State Park, CO
wild licorice (Glycyrrhiza lepidota) -- in June -- Bluff Lake Nature Center, Denver Area, CO
alpine sweetvetch (Hedysaurum alpinum) -- in July -- Shoshone National Forest, Fremont County, WY red & pink
Utah sweetvetch (Hedysarum boreale) -- in June -- Soapstone Prairie Natural Area, Fort Collins, CO red & pink
Utah sweetvetch (Hedysarum boreale) -- in June -- Neva Road/ 36, Boulder County, CO
Utah sweetvetch (Hedysaurum boreale) -- in May -- Neva Road/ 36, Boulder County, CO red & pink
Indian rushpea (Hoffmannseggia glauca) -- in April -- Big Bend National Park, Texas yellow & orange