Rose Subfamily 1 (Rosaceae) -- Genus A to O
agrimony (Agrimonia striata) -- in August -- Lory State Park, CO yellow & orange
agrimony (Agrimonia striata) -- in July -- Well Gulch Nature Trail, Lory State Park, CO
agrimony (Agrimonia striata) -- in July -- North Fork Trail, Big Thompson Canyon, Larimer County, CO
Saskatoon serviceberry (Amelanchier alnifolia) -- in May -- Arthur's Rock Trail, Lory State Park, CO white & cream
Saskatoon serviceberry (Amelanchier alnifolia) -- in May -- Sand Creek National Landmark, WY
Utah serviceberry (Amelanchier utahensis) -- in July -- Angel Lake Campground, Elko County, NV white & cream
mountain mahogany (Cercocarpus montanus) -- in May and August -- Kimmons Trail, Lory State Park, CO white & cream
mountain mahogany (Cercocarpus montanus) -- in April -- Villanueva State Park, NM white & cream
fernbush (Chamaebatiaria millefolium) -- in July -- next to Rt. 50 in eastern Utah white & cream
fernbush (Chamaebatiaria millefolium) -- in July -- Lava Beds National Monument, CA white & cream
fernbush (Chamaebatiaria millefolium) -- in April -- Bluff Lake Nature Center, Denver Area, CO
little rose (Chamaerhodos erecta) -- in July -- Vedauwoo Recreation Area, southern Wyoming white & cream
blackbrush (Coleogyne ramosissima) -- in April -- Arches National Park, UT yellow & orange
shiny cotoneaster (Cotoneaster lucidus) -- in May -- Lory State Park, CO red & pink
shiny cotoneaster (Cotoneaster lucidus) -- in September -- Ross, Fort Collins Natural Area, Larimer County, CO
black hawthorn (Crataegus douglasii) -- in July -- Grand Teton National Park, WY white & cream
river hawthorn (Crataegus rivularis) -- in May -- Archuleta County, CO white & cream
fleshy hawthorn (Crataegus succulenta) -- in May -- Lory State Park, CO white & cream
fleshy hawthorn (Crataegus succulenta) -- in August -- Orchard Cove Trail, Lory State Park, CO
fleshy hawthorn (Crataegus succulenta) -- in April -- South Mesa Trailhead, Boulder County, CO
fleshy hawthorn (Crataegus succulenta) -- in September -- Well Gulch Nature Trail, Lory State Park, CO
fleshy hawthorn (Crataegus succulenta) -- in May -- Gustav Swanson, Fort Collins Natural Area, CO white & cream
shrubby cinquefoil (Dasiphora fruticosa ssp. floribunda) -- in July -- Sand Creek National Landmark, WY yellow & orange
shrubby cinquefoil (Dasiphora fruticosa ssp. floribunda) -- in July -- Parvin Lake State Wildlife Area, CO
shrubby cinquefoil (Dasiphora fruiticosa ssp. floribunda) -- in September -- Bellaire Lake, Red Feather Lakes, Larimer County, CO
Hooker's mountain avens (Dryas punctata ssp. hookeriana) -- in July -- Crown Point, Roosevelt National Forest, CO white & cream
tall cinquefoil (Drymocallis arguta) -- in July -- Shoshone National Forest, Fremont County, WY yellow & orange
bigflower cinquefoil (Drymocallis fissa) -- in June -- Old Flowers Road, Roosevelt National Forest, CO yellow & orange
bigflower cinquefoil (Drymocallis fissa) -- in April -- Homestead Trail, South Mesa Trailhead, Boulder County, CO
bigflower cinquefoil (Drymocallis fissa) -- in May -- Big Thompson Canyon, Larimer County, CO
sticky cinquefoil (Drymocallis glandulosa) -- in June -- Steens Mountain Wilderness Area, Oregon yellow & orange
Apache plume (Fallugia paradoxa) -- in July -- Bosque del Apache National Wildlife Refuge, NM white & cream
Apache plume (Fallugia paradoxa) -- in April -- Chihuahuan Desert Nature Center, TX white & cream
woodland strawberry (Fragaria vesca) -- in May -- Pingree Park, Roosevelt National Forest, CO white & cream
woodland strawberry (Fragaria vesca) -- in April -- Columbia River Gorge, Northern Oregon white & cream
woodland strawberry (Fragaria vesca ssp. bracteata) -- in September -- Cloudcroft, Lincoln National Forest, NM white & cream
Virginia strawberry (Fragaria virginiana) -- in June -- Old Flowers Road, Roosevelt National Forest, CO white & cream
Virginia strawberry (Fragaria virginiana) -- in July -- Rollins Pass Road, Gilpin County, CO
Virginia strawberry (Fragaria virginiana) -- in June -- Lower Dadd Gulch, Poudre Canyon, Larimer County, CO
yellow avens (Geum aleppicum) -- in June -- Waterfall Trail, Lory State Park, CO yellow & orange
yellow avens (Geum aleppicum) -- in June -- Bridal Veil Falls Trail, RMNP, CO
bur avens (Geum macrophyllum var. perincisum) -- in July -- Red Feather Lakes, Roosevelt National Forest, CO yellow & orange
bur avens (Geum macrophyllum var. perincisum) -- in September -- Hidden Valley, Rocky Mountain National Park, CO yellow & orange
bur avens (Geum macrophyllum var. perincisum) -- in July -- Buffalo Pass Road, Jackson County, CO
purple avens (Geum rivale) -- in July -- Red Feather Lakes, Roosevelt National Forest, CO blue & purple
purple avens (Geum rivale) -- in July -- Laramie River Road, Larimer County, CO
alpine avens (Geum rossii var. turbinatum) -- in July -- Old Fall River Road, RMNP, CO yellow & orange
alpine avens (Geum rossii var. turbinatum) -- in July -- Mount Evans, Clear Creek County, CO
alpine avens (Geum rossii var. turbinatum) -- in August -- Independence Pass, border of Lake and Pitkin Counties, CO
alpine avens (Geum rossii var. turbinatum) -- in Sept. -- Trail Ridge Road, RMNP, CO yellow & orange
prairie smoke (Geum triflorum var. triflorum) -- in May -- Pingree Park, Roosevelt National Forest, CO red & pink
prairie smoke (Geum triflorum) -- in June -- Steens Mountain Wilderness Area, OR
oceanspray (Holodiscus dumosus) -- in July -- Fern Lake Trail, Rocky Mountain National Park, CO white & cream
oceanspray (Holodiscus dumosus) -- in July -- Mount Evans, Clear Creek County, CO
pinewoods horkelia (Horkelia fusca) -- in June -- Steens Mountain Wilderness Area, OR white & cream
Gordon's ivesia (Ivesia gordonii) -- in June -- Steens Mountain Wilderness Area, OR yellow & orange
clubmoss mousetail (Ivesia lycopodioides) -- in July -- Yosemite National Park, CA yellow & orange
paradise apple (Malus pumila) -- in April -- Well Gulch Nature Trail, Lory State Park, CO white & cream