Buckwheat family (polyganaceae)
American bistort (Bistorta bistortoides) -- in July -- Old Fall River Road, Rocky Mountain National Park, CO white & cream
American bistort (Bistorta bistortoides) -- in July -- Long Draw Road, Larimer County montane, CO
American bistort (Bistorta bistortoides) -- in June -- Steens Mountain Wilderness Area, OR
alpine bistort (Bistorta vivipara) -- in July -- Long Draw Road, Larimer County montane, CO
alpine bistort (Bistorta vivipara) -- in July -- Trail Ridge Road, Rocky Mountain National Park white & cream
alpine bistort (Bistorta vivipara) -- in August -- Independence Pass, border of Lake and Pitkin Counties, CO
alpine bistort (Bistorta vivipara) -- in August -- Snowy Range, Medicine Bow National Forest, WY
Abert's buckwheat (Eriogonum abertianum) -- Organ Mountains-Desert Peaks National Monument, NM white & cream
winged buckwheat (Eriogonum alatum) -- in June -- Wray, Yuma County, CO yellow & orange
winged buckwheat (Eriogonum alatum) -- in June -- South Valley Loop Trail, Lory State Park, CO yellow & orange
winged buckwheat (Eriogonum alatum) -- in August -- South Valley Loop Trail, Lory State Park, CO
winged buckwheat (Eriogonum alatum) -- in June -- Bridal Veil Falls Trail, RMNP, CO
winged buckwheat (Eriogonum alatum) -- in December -- South Valley Loop Trail, Lory State Park, Larimer County, CO
Ivy League buckwheat (Eriogonum arcuatum var. xanthum) -- in July -- Mount Evans, Clear Creek County, CO yellow & orange
pretty buckwheat (Eriogonum bicolor) -- in April -- Arches National Park, UT white & cream
shortstem buckwheat (Eriogonum brevicaule var. brevicaule) -- in August -- Soapstone Paririe, Fort Collins NA yellow & orange
matted buckwheat (Eriogonum caespitosum) -- in July -- Pacific Crest Trail, northern California yellow & orange
matted buckwheat (Eriogonum caespitosum) -- in June -- Steens Mountain Wilderness Area, OR yellow & orange
Douglas' buckwheat (Eriogonum douglasii) -- in July -- Sheldon National Wildlife Refuge, NV yellow & orange NV-N
spreading buckwheat (Eriogonum effusum) -- in August -- Sportsman Lake Road, Sand Creek, WY white & cream
spreading buckwheat (Eriogonum effusum) -- in July -- Pineridge Natural Area, Fort Collins, CO
spreading buckwheat (Eriogonum effusum) -- in September -- Pineridge Natural Area, Fort Collins, CO
tall buckwheat (Eriogonum elatum) -- in July -- Lassen Volcanic National Park, CA white & cream
eastern Mojave buckwheat (Eriogonum fasciculatum) -- in March -- Salt River Canyon, Tonto National Forest, AZ red & pink
alpine golden buckwheat (Eriogonum flavum var. flavum) -- in June -- Eagle's Nest Open Space, Larimer Cty, CO yellow & orange
alpine golden buckwheat (Eriogonum flavum var. flavum) -- in July -- Hoosier Pass. Park/Summit Counties, CO
alpine golden buckwheat (Eriogonum flavum var. flavum) -- in August -- Mt. Evans Wilderness, Arapaho NF, CO yellow & orange
parsnipflower buckwheat (Eriogonum heracleoides) -- in June -- Steens Mountain WA, OR white & cream
Hooker's buckwheat (Eriogonum hookeri) -- in May -- San Juan County, Utah yellow & orange
desert trumpet (Erigonum inflatum) -- in March -- I-15 in southern Utah yellow & orange
desert trumpet (Eriogonum inflatum) -- in March -- Ogilvy Road, southern California yellow & orange
James' buckwheat (Eriogonum jamesii) -- in June -- Soapstone Prairie Natural Area, Fort Collins, CO white & cream
Inyo buckwheat (Eriogonum latens) -- in July -- Sheldon National Wildlife Refuge. NV white & cream
spearleaf buckwheat (Eriogonum lonchophyllum) -- in July -- San Isabel National Forest, CO white & cream
naked buckwheat (Eriogonum nudum) -- in July -- Floriston, northern California white & cream
cushion buckwheat (Eriogonum ovalifolium var. purpureum) -- in July -- Dunes SP, Crescent City, northern California white &cream
cushion buckwheat (Eriogonum ovalifolium var. purpureum) -- in May -- Yampa Bench Rd, Dinosaur National Monument, CO
roundleaf buckwheat (Eriogonum rotundifolium) -- in April -- Big Bend National Park, Texas white & cream
Blue Mountain buckwheat (Eriogonum strictum) -- in July -- Modoc National Forest, CA yellow & orange
sulphur flower (Eriogonum umbellatum) -- in July -- Timber Trail, Lory State Park, CO yellow & orange
sulphur flower (Eriogonum umbellatum) -- in August -- Indian Meadows North, Poudre Canyon, Larimer County, CO
sulphur flower (Eriogonum umbellatum) -- in August -- Pinewoods Reservoir, Larimer County Open Space, CO
sulphur flower (Eriogonum umbellatum) -- in May -- Dinosaur National Monument, CO
sulphur-flower buckwheat (Eriogonum umbellatum var. majus) -- in June -- Schofield Pass Road, Gunnison County, CO
sulphur-flower buckwheat (Eriogonum umbellatum var. majus) -- in August -- Weston Pass, Lake County, CO
bastardsage (Eriogonum wrightii) -- in September -- Organ Mountains-Desert Peaks National Monument, NM white & cream
alpine sorrel (Oxyria digyna) -- in July -- Snowy Range, Medicine Bow National Forest, WY red & pink
longroot smartweed (Persicaria amphibia) -- in July -- Laramie River Basin, southern Wyoming red & pink WY-SC
longroot smartweed (Persicaria amphibia) -- in September -- Fossil Creek Reservoir, Fort Collins Natural Area, CO
longroot smartweed (Persicaria amphibia) -- in September -- Boyd Lake State Park, Larimer County, CO
longroot smartweed (Persicaria amphibia)-- in July -- Fremont National Forest, southern Oregon red & pink
longroot smartweed (Persicaria amphibia) -- in September -- Homestead, Fort Collins Natural Area, Larimer County, CO
curlytop knotweed (Persicaria lapathifolia) -- in August -- High Plains Environmental Center, Loveland, CO white & cream
curlytop knotweed (Persicaria lapathifolia) -- in October -- Hall Ranch Open Space, Boulder County, CO
dotted smartweed (Persicaria punctata) -- in September -- Homestead, a Fort Collins Natural Area, Larimer County, CO
prostrate knotweed (Polygonum aviculare) -- in July -- Well Gulch Nature Trail, Lory State Park, CO white & cream
prostrate knotweed (Polygonum aviculare) -- in August -- Deadman Road, Red Feather Lakes Area, CO
Douglas' knotweed (Polygonum douglasii) -- in July -- Satanka Cove, Lory State Park, CO green & brown
sheep sorrel (Rumex acetosella) -- in July -- Old Fall River Road, Rocky Mountain National Park, CO red & pink
curly dock (Rumex crispus) -- in June -- Watson Lake State Wildlife Area, CO green & brown
curly dock (Rumex crispus) -- in July -- Carter Lake Open Space, Larimer County, CO
curly dock (Rumex crispus) -- in September -- Bobcat Ridge, Fort Collins Natural Area, CO
curly dock (Rumex crispus) -- in February -- Pineridge Natural Area, Fort Collins, CO
denseflowered dock (Rumex densiflorus) -- in June -- Kebler Pass Road, Gunnison County, CO red & pink
canaigre dock (Rumex hymenosepalus) -- in April -- Organ Mountains-Desert Peaks, NM red & pink
canaigre dock (Rumex hymenosepalus) -- in March -- Monument Valley, southern Utah
canaigre dock (Rumex hymenosepalus) -- in August -- Snowy Range, WY
canaigre dock (Rumex hymenosepalus) -- in April -- Arches National Park, UT
western dock (Rumex occidentalis) -- in April -- Arapaho Bend Natural Area, Fort Collins, CO red & pink
western dock (Rumex occidentalis) -- in July -- Rollins Pass Road, Gilpin County, CO
willow dock (Rumex triangulivalvis) -- in June -- Curt Gowdy State Park, WY green & brown
willow dock (Rumex triangulivalvis) -- in August -- Pikes Peak Area, CO green & brown
willow dock (Rumex triangulivalvis) -- in September -- Bellaire Lake, Red Feather Lakes Area, Larimer County, CO
wild-begonia (Rumex venosus) -- in June -- Camel Rock, Sand Creek National Landmark, WY red & pink
wild-begonia (Rumex venosus) -- in May -- Pawnee National Grassland, CO red & pink
wild-begonia (Rumex venosus) -- in April -- Bluff Lake Nature Center, Denver Area, CO