Gentian (gentianaceae) family
lapland gentian (Comastoma tenellum) -- in August -- Pikes Peak Area, CO blue & purple
showy prairie gentian (Eustoma exaltatum ssp. russellanium) -- in August -- HPEC, Loveland, CO blue & purple
green gentian (Frasera speciosa) -- in June -- Red Feather Lakes, Roosevelt National Forest, CO green & brown CO-M
green gentian (Frasera speciosa) -- in July -- Routt National Forest, CO
pleated gentian (Gentiana affinis) -- in August -- next to Forest Road 336, Roosevelt National Forest, CO blue & purple CO-M
pleated gentian (Gentiana affinis) -- in August -- Sportsman Lake Road, southern Wyoming WY-S
arctic gentian (Gentiana algida) -- in August -- Snowy Range, Medicine Boy National Forest, WY white & cream WY-SR
arctic gentian (Gentiana algida) -- in September -- Trail Ridge Road, Rocky Mountain National Park, CO white & cream TRR
bottle gentian (Gentiana bigelovii) -- in August -- Mill Creek Link Trail, Lory State Park, CO blue & purple CO-LSP
moss gentian (Gentiana fremontii) -- in July -- High Creek Fen Preserve, Park County, CO white & cream
Parry's gentian (Gentiana parryi) -- in August -- Snowy Range, Medicine Bow National Forest, WY blue & purple WY-SR
Parry's gentian (Gentiana parryi) -- in August -- near Sand Creek Pass, Red Feather Lakes Area, CO
Parry's gentian (Gentiana parryi) -- in August -- Weston Pass Road, Lake County, CO
autumn dwarf gentian (Gentianella amarella ssp. acuta) -- in August -- Snowy Range, Medicine Bow NF red & pink WY-SR
autumn dwarf gentian (Gentianella amarella ssp acuta) -- in August -- Zimmerman Lake Trail, Larimer County, CO red & pink
fringed gentian (Gentianopsis barbellata) -- in August -- Twin Sisters Peak Trail, Rocky Mountain NP, CO blue & purple CO-RMNP
Rocky Mountain fringed gentian (Gentianopsis thermalis) -- in August -- Snowy Range, Medicine Bow NF, WY blue & purple WY-SR
star gentian (Swertia perennis) -- in August -- Cherokee Park State Wildlife Area, CO blue & purple CO-M
star gentian (Swertia perennis) -- in August -- Snowy Range, Medicine Bow National Forest, WY blue & purple WY-SR