Broomrape family (Orobanchaceae)
Applegate's Indian paintbrush (Castilleja applegatei) -- in July -- Lassen Volcanic National Park, CA red & pink
Applegate's paintbrush (Castilleja applegatei) -- in July -- Lava Beds National Monument, CA red & pink
cobwebby Indian paintbrush (Castilleja arachnoidea) -- in July -- Lassen Volcanic National Park, CA red & pink
desert paintbrush (Castilleja chromosa) -- in April -- Sand Creek National Landmark, WY red & pink
desert paintbrush (Castilleja chromosa) -- in April -- Colorado National Monument, CO
exserted Indian paintbrush (Castilleja exserta) -- in March -- Organ Pipe Cactus National Monument, AZ red & pink
yellow paintbrush (Castilleja flava) -- in May -- Sand Creek National Landmark, southern Wyoming yellow & orange
country Indian paintbrush (Castilleja flava var. rustica)-- in June -- Steens Mountain, OR yellow & orange
wholeleaf Indian paintbrush (Castilleja integra) -- in July -- Sandia Peak, Cibola National Forest, southern New Mexico red & pink
wholeleaf Indian paintbrush (Castilleja integra) -- in April --Big Bend National Park, TX
wholeleaf Indian paintbrush (Castilleja integra) -- in April -- Organ Mountains-Desert Peaks, NM red & pink
wholeleaf Indian paintbrush (Castilleja integra) -- in April -- Dripping Springs Natural Area, NM
wholeleaf Indian paintbrush (Castilleja integra) -- in July -- Buffalo Pass Road, Jackson County, CO
Lemmon's Indian paintbrush (Castilleja lemmonii) -- in July -- Yosemite National Park, CA red & pink
Wyoming Indian paintbrush (Castilleja linariifolia) -- in June -- Poudre Canyon, Roosevelt NF, Larimer County Foothills , CO red & pink
Wyoming paintbrush (Castilleja linariifolia) -- in July -- Lumpy Ridge Trail, RMNP, Larimer County, CO
Wyoming paintbrush (Castilleja linariifolia) -- in July -- off of I-70 in northern Utah red & pink
giant red Indian paintbrush (Castilleja miniata) -- in July -- Old Fall River Road, Rocky Mountain National Park, CO red & pink
giant red Indian paintbrush (Castilleja miniata) -- in July -- Modoc National Forest, CA red & pink
lesser Indian paintbrush (Castilleja minor var. minor) -- in May -- Yampa Bench Road, Dinosaur NM, CO red & pink
western paintbrush (Castilleja occidentalis) -- in July -- Mount Evans, Clear Creek County, CO
western paintbrush (Castilleja occidentalis) -- in June -- Never Summer Mountains, Routt National Forest, CO white & cream
western paintbrush (Castilleja occidentalis) -- in August -- Pikes Peak Area, CO
shortflower Indian paintbrush (Castilleja puberula) -- in July -- Mount Evans, Clear Creek County, CO
shortflower Indian paintbrush (Castilleja puberula) -- in July -- Hoosier Ridge, Summit County, CO yellow & orange
splitleaf Indian paintbrush (Castilleja rhexiifolia) -- in July -- Old Fall River Road, Rocky Mountain National Park, CO red & pink
splitleaf Indian paintbrush (Castilleja rhexiifolia) -- in July -- Boreas Pass Road, Summit County, CO
splitleaf Indian paintbrush (Castilleja rhexiifolia) -- in July -- Buffalo Pass Road, Jackson County, CO
sulphur paintbrush (Castilleja septentrionalis) -- in August -- Old Fall River Road, RMNP, CO white & cream
sulphur paintbrush (Castilleja septentrionalis)-- in July -- Routt National Forest, CO
sulphur paintbrush (Castilleja septentrionalis) -- in July -- Zimmerman Lake Trail, Larimer County, CO
sulphur paintbrush (Castilleja septentrionalis) -- in August -- Montgomery Pass Trail, Larimer County, CO
sulphur paintbrush (Castilleja septentrionalis) -- in July -- Vedauwoo Recreation Area, southwestern Wyoming
plains paintbrush (Castilleja sessiliflora) -- in May -- South Valley Loop Trail, Lory State Park, CO red & pink
plains paintbrush (Castilleja sessiliflora) -- in May -- Pawnee National Grassland, CO
desert broomrape (Orobanche cooperi) -- in March -- Corn Springs Road, Chuckwalla Mountains, southern California blue & purple
clustered broomrape (Orobanche fasciculata) -- in May -- Reservoir Ridge Natural Area, Fort Collins, CO green & brown
clustered broomrape (Orobanche fasciculata) -- in June -- Mill Creek Link Trail, Lory State Park, CO
oneflowered broomrape (Orobanche uniflora) -- in May -- Plainview Road Open Space, Jefferson County, CO blue & purple
cryptantha owl's-clover (Orthocarpus cuspidatus var. cryptanthus) -- in June -- Steens Mountain Wildlife Area, OR red & pink
yellow owl's clover (Orthocarpus luteus) -- in July -- Cub Lake Trail, Rocky Mountain National Park, CO yellow & orange
yellow owl's clover (Orthocarpus luteus) -- in July -- Snowy Range, Medicine Bow National Forest, WY yellow & orange
Payson's lousewort (Pedicularis bracteosa var. paysoniana) -- in July -- Snowy Range, Medicine Bow NF, WY yellow & orange
Payson's lousewort (Pedicularis bracteosa var. paysoniana) -- in July -- Zimmerman Lake Trail, CO yellow & orange
Canadian lousewort (Pedicularis canadensis) -- in April -- Natchez Trace Parkway, southern Tennessee yellow & orange
coiled lousewort (Pedicularis contorta) -- in June -- Pattee Canyon, Lolo National Forest, northern Montana white & cream
meadow lousewort (Pedicularis crenulata) -- in July -- Sportsman Lake Road, BLM, WY red & pink
meadow lousewort (Pedicularis crenulata) -- in July -- High Creek Fen Preserve, Park County, CO
marsh lousewort (Pedicularis fluviatilis) -- in June -- Rampart Range Road, Pike NF, CO yellow & orange CO-M
elephanthead (Pedicularis groenlandica) -- in July -- Cherokee Park, CO red & pink
elephanthead (Pedicularis groenlandica) -- in June -- Steens Mountain Wilderness Area, OR
elephanthead (Pedicularis groenlandica) -- in August -- Zimmerman Lake Trail, Larimer County, CO
Parry's lousewort (Pedicularis parryi) -- in June -- Old Fall River Road, Rocky Mountain National Park, CO white & cream
Parry's lousewort (Pedicularis parryi) -- in July -- Snowy Range, WY white & cream
giant lousewort (Pedicularis procera) -- in July -- San Isabel National Forest, CO green & brown
sickletop lousewort (Pedicularis racemosa) -- in July -- Old Fall River Road, Rocky Mountain National Park, CO white & cream
sickletop lousewort (Pedicularis racemosa var. alba) -- in August -- Snowy Range, Medicine Bow NF, WY
sickletop lousewort (Pedicularis racemosa var. alba) -- in July -- Peak 7 area, Summit County, CO
sudetic lousewort (Pedicularis scopulorum) -- in July -- Loveland Pass, CO red & pink