Yellow Single Flowers
Abert's Dome
Sanvitalia abertii
Alpine Avens
Geum rossii
Alpine Goldenweed(2)
Tonestus spp.
Alpine Ragwort(3)
Senecio spp.
Arnica(5)
Arnica spp.
Arrowleaf Balsamroot
Balsamorhiza sagittata
Black-eyed Susan
Rudbeckia hirta
Blanket Flower(3)
Gaillardia spp.
Blazingstar(4)
Mentzelia spp.
Buttercup(13)
Ranunculus spp.
Chocolate Flower
Berlandiera lyrata
Cinquefoil(12)
Potentilla spp.
Common Bladderwort
Utricularia vulgaris
Common Purslane*
Portulaca oleracea
Creeping Jenny
Lysimachia nummularia
Crownbeard
Verbesina encelioides
Dandelion-like(8)
Multiple spp.
Dwarf Mountain Butterweed
Senecio fremontii
Four-nerved Daisy(5)
Tetraneuris spp.
Glacier Lily
Erythonium grandiflorum
Golden Aster(4)
Heterotheca spp.
Goldenglow
Rudbeckia laciniata
Goldenweed(4)
Pyrrocoma spp.
Goldenweed(3)
Xanthisma spp.
Gourd(2)
Cucurbita & Apodanthera spp.
Green Pitaya
Echinocereus viridiflorus
Groundcherry(3)
Physalis spp.
Leafy False Goldenweed
Oonopsis foliosa
Manyawn Pricklyleaf
Thymophylla aurea
Mule's Ears
Wyethia amplexicaulis
Northern Bahia
Picradeniopsis oppositifolia
Oil Shale Columbine
Aquilegia barnebyi
Old-Man-of-the-Mountain
Hymenoxys grandiflora
Prairie Coneflower
Ratibida columnifera
Prickly Lettuce
Lactuca serriola
Prickly Pear Cactus(4)
Opuntia spp.
Puncture Vine*
Tribulus terrestris
Ragleaf Bahia
Amauriopsis dissecta
Rockcress Fungus*
Puccinia monoica
Rocky Mountain Zinnia
Zinnia grandiflora
Salsify(3)
Tragopogon & Scorzonera spp.
Showy Goldeneye
Heliomeris multiflora
Sibbaldia*
Sibbaldia procumbens
Sneezeweed
Dugaldia hoopesii
Stiff Greenthread
Thelesperma filifolium
Sundrops
Calylophus hartwegii
Sunflower(7)
Helianthus & Helianthella spp.
Thrift Mock Goldenweed
Stenotus armerioides
Wild Asparagus*
Asparagus officinalis
Wright's Deervetch
Lotus wrightii
Yellow Avens(2)
Geum spp.
Yellow Evening Primrose(4)
Oenothera spp.
Yellow Flax(3)
Linum spp.
Yellow Monkeyflower(2)
Erythranthe spp.
Yellow Violet
Viola nuttalli
Yellow Pond Lily
Nuphar polysepala
Yellow Wood Sorrel
Oxalis stricta
An * indicates that the individual flower is less than ½" across