Rose Subfamily 2 (Rosaceae)-- Genus P to Z
ninebark (Physocarpus monogynus) -- in May -- Lory State Park, CO white & cream
ninebark (Physocarpus monogynus) -- in June -- Greyrock Trail, Poudre Canyon, Larimer County, CO
silverweed cinquefoil (Potentilla anserina) -- in June -- Sportsman Lake Road, WY yellow & orange
dwarf cinquefoil (Potentilla canadensis) -- in April -- Pisgah National Forest, western North Carolina yellow & orange
elegant cinquefoil (Potentilla concinna) -- in June -- Pingree Park, Roosevelt National Forest, CO yellow & orange
elegant cinquefoil (Potentilla concinna) -- in June -- Curt Gowdy State Park, WY yellow & orange
elegant cinquefoil (Potentilla concinna var. bicrenata) -- in June -- Crosier Mountain, Roosevelt NF, CO yellow & orange
branched cinquefoil (Potentilla effusa) -- in June -- Poudre Canyon, Roosevelt National Forest, CO yellow & orange
branched cinquefoil (Potentilla effusa) -- in June -- Bridal Veil Falls Trail, Rocky Mountain National Park, CO
sticky cinquefoil (Potentilla glandulosa) -- in July -- Humboldt County, Sheldon National Wildlife Refuge, NV white & cream
varileaf cinquefoil (Potentilla glaucophylla var. glaucophylla) -- in June -- Red Feather Lakes, Larimer County, CO yellow & orange
varileaf cinquefoil (Potentilla glaucophylla var. glaucophylla) -- in July -- Hoosier Pass, Park/Summit Counties, CO
varileaf cinquefoil (Potentilla glaucophylla var. glaucophylla) -- in September -- Trail Ridge Road, RMNP, CO yellow & orange
varileaf cinquefoil (Potentilla glaucophylla var. glaucophylla) -- in August -- Pikes Peak Area, CO
slender cinquefoil (Potentilla gracilis) -- in July -- Loveland Pass, Arapaho National Forest, CO yellow & orange
slender cinquefoil (Potentilla gracilis) -- in July -- Sheldon National Wildlife Area, NV yellow & orange
slender cinquefoil (Potentilla gracilis) -- in June -- Steens Mountain Wilderness Area, OR
slender cinquefoil (Potentilla gracilis) -- in July -- Buffalo Pass Road, Jackson County, CO
wooly cinquefoil (Potentilla hippiana) -- in June -- Lady Moon Trail, Red Feather Lakes Area, Larimer County, CO
wooly cinquefoil (Potentilla hippiana) -- in June -- Soapstone Prairie Natural Area, CO yellow & orange
wooly cinquefoil (Potentilla hippiana) -- in July -- Sand Creek National Landmark, CO/WY
wooly cinquefoil (Potentilla hippiana) -- in September -- Marshall Pass Road, Saquache County, CO
Klamath cinquefoil (Potentilla millefolia var. klamathensis) -- in June -- Steens Mountain Wilderness Area, OR yellow & orange
Norwegian cinquefoil (Potentilla norvegica) -- in May -- Orchard Cove Trail, Lory State Park, CO yellow & orange
Norwegian cinquefoil (Potentilla norvegica) -- in September -- Bellaire Lake, Red Feather Lakes, Larimer County, CO
Pennsylvania cinquefoil (Potentilla pensylvanica) -- in July -- Old Fall River Road, RMNP yellow & orange
Pennsylvania cinquefoil (Potentilla pensylvanica) -- in May -- West Valley Trail, Lory State Park, CO yellow & orange
beautiful cinquefoil (Potentilla pulcherrima) -- in June -- Pennock Pass, Roosevelt National Forest, CO yellow & orange
beautiful cinquefoil (Potentilla pulcherrima) -- in July -- Boreas Pass Road, Park County, CO
beautiful cinquefoil (Potentilla pulcherrima) -- in July -- Rollins Pass Road, Gilpin County, CO
sulphur cinquefoil (Potentilla recta) --in June -- Soderberg Open Space, Larimer County
Rocky Mountain cinquefoil (Potentilla rubricaulis) -- in June -- Eagle's Nest Open Space, Larimer County, CO yellow & orange
Colorado cinquefoil (Potentilla subjuga) -- in August -- Crown Point, Roosevelt National Forest, CO yellow & orange
wild plum (Prunus americana) -- in April -- Waterfall Trail, Lory State Park, CO white & cream
wild plum (Prunus americana) -- in April -- Pineridge Natural Area, Fort Collins, CO
wild plum (Prunus americana) -- in August -- East Valley Trail, Lory State Park, CO
wild plum (Prunus americana) -- in January -- Well Gulch Nature Trail, Lory State Park. CO
apricot (Prunus armeniaca) -- in March -- road from Cisco to Moab, southern Utah white & cream
apricot (Prunus armeniaca) -- in February -- near the Poudre River, Fort Collins, CO
European bird cherry (Prunus padus) -- in April -- Skunk Canyon Open Space, Boulder County, CO white & cream
European bird cherry (Prunus padus) -- in August -- Watson Lake State Wildlife Area, Bellvue, CO
pin cherry (Prunus pensylvanica) -- in April -- Waterfall Trail, Lory State Park, CO white & cream
pin cherry (Prunus pensylvanica) -- in April -- Well Gulch Trail, Lory State Park, CO
pin cherry (Prunus pensylvanica) -- in April -- Well Gulch Trail, Lory State Park, CO
sand cherry (Prunus pumila var. besseyi) -- in May -- Orchard Cove Trail, Lory State Park, CO white & cream
sand cherry (Prunus pumila var. besseyi) -- in May -- Plainview Road Open Space, Jefferson County, CO
Nanking cherry (Prunus tomentosa) -- in April -- Walden Ponds Wildlife Habitat, Boulder, CO white & cream
Nanking cherry (Prunus tomentosa) -- in May -- CSU Environmental Learning Center, Fort Collins, CO
chokecherry (Prunus virginiana var. demissa) -- in May -- Lory State Park, CO white & cream
chokecherry (Prunus virginiana var. demissa) -- in May -- Prospect Ponds, Fort Collins Natural Area, Fort Collins, CO
chokecherry (Prunus virginiana var. demissa) -- in August -- Bobolink Trail, Boulder County, CO
chokecherry (Prunus virginiana var. demissa) -- in October -- Redwing Marsh, Fort Collins Natural Area, Larimer County, CO
antelope bush (Purshia plicata) -- in April -- Chihuahuan Desert Nature Center, TX red & pink
Stansbury cliffrose (Purshia stansburiana) -- in April -- Arches National Park, UT white & cream
Stansbury cliffrose (Purshia stansburiana) -- in May -- Canyons of the Ancients National Monument, CO
antelope bitterbrush (Purshia tridentata) -- in May -- Stove Prairie, Roosevelt National Forest, CO white & cream
antelope bitterbrush (Purshia tridentata) -- in May -- Sand Creek National Landmark, southern Wyoming WY-SC white & cream
antelope bitterbrush (Purshia tridentata) -- in June -- Kreutzer Nature Trail, Poudre Canyon, Larimer Cty, CO
antelope bitterbrush (Purshia tridentata) -- in July -- North Fork Trail, Big Thompson Canyon, Larimer County, CO
Callery pear (Pyrus calleryana) -- in February -- near the Poudre River, Fort Collins, CO white & cream
prickly rose (Rosa acicularis ssp. sayi) -- in July -- Rollins Pass Road, Gilpin County, CO red & pink
prickly rose (Rosa acicularis ssp. sayi) -- in August -- Molly Lake, Red Feather Lakes Area, Larimer County, CO
prairie rose (Rosa arkansana) -- in July -- County Road 41, Larimer County, CO
prairie rose (Rosa arkansana) -- in August -- Lions Open Space, Larimer County, CO
wild rose (Rosa woodsii) -- in May -- Orchard Cove Trail, Lory State Park, CO red & pink
wild rose (Rosa woodsii) -- in July -- Forest Road 145, Poudre Canyon, Larimer County, CO
sawtooth blackberry (Rubus argutus) -- in April -- Pisgah National Forest, western North Carolina white & cream
Himalayan blackberry (Rubus armeniacus) -- in July -- Klamath Falls to Ashland (Rt. 66), OR red & pink
boulder raspberry (Rubus deliciosus) -- in April and May -- Arthur's Rock Trail, Lory State Park, CO white & cream
red raspberry (Rubus idaeus var. strigosus) -- in May and June -- Well Gulch Nature Trail, Lory State Park, CO white & cream
thimbleberry (Rubus parviflorus) -- in June -- Pattee Canyon, Lolo National Forest, northern Montana white & cream
thimbleberry (Rubus parviflorus) -- in July -- Yosemite National Park, CA white & cream
California blackberry (Rubus ursinus) -- in July -- Klamath Falls to Ashland (Rt. 66), OR white & cream
clover-leaf rose (Sibbaldia procumbens) -- in July -- Old Fall River Road, Rocky Mountain National Park, CO yellow & orange
Douglas' spiraea (Spiraea douglasii) -- in July -- Dunes State Park, northern California red & pink
shiny-leaf spiraea (Spiraea lucida) -- in June -- Glacier National Park, Montana white & cream
shiny-leaf spirea (Spiraea lucida) -- in July -- Grand Teton National Park, WY
rose meadowsweet (Spiraea splendens) -- in July -- Yosemite National Park, CA red & pink