Yellow Single Flowers
Abert's Dome
Sanvitalia abertii
Alpine Avens
Geum rossii
AlpineGoldenweed(2)
Tonestus spp.
Alpine Ragwort(3)
Senecio spp.
Arnica(5)
Arnica spp.
ArrowleafBalsamroot
Balsamorhiza sag.
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.
CommonBladderwort
Utricularia vulgaris
Common Purslane*
Portulaca oleracea
Creeping Jenny
Lysimachia num.
Crownbeard
Verbesina encelioides
Dandelion-like(8)
Multiple spp.
Evening Primrose(4)
Oenothera spp.
Four-nerved Daisy(5)
Tetraneuris spp.
Fremont's Groundsel
Senecio fremontii
Glacier Lily
Erythonium grand.
Golden Aster(4)
Heterotheca spp.
Goldenglow
Rudbeckia laciniata
Goldenweed(4)
Pyrrocoma spp.
Goldenweed(3)
Xanthisma spp.
Gourd(2)
Cucurbita&Apodanthera
Green Pitaya
Echinocereus virid.
Groundcherry(3)
Physalis spp.
LeafyFalseGoldenweed
Oonopsis foliosa
Manyawn Pricklyleaf
Thymophylla aurea
Mule's Ears
Wyethia amplex.
Northern Bahia
Picradeniopsis oppos.
Oil Shale Columbine
Aquilegia barnebyi
Old-Man-of-the-Mtn
Hymenoxys grand.
Prairie Coneflower
Ratibida columnifera
Prickly Lettuce
Lactuca serriola
PricklyPearCactus(4)
Opuntia spp.
Puncture Vine*
Tribulus terrestris
Ragleaf Bahia
Amauriopsis dissecta
Rockcress Fungus*
Puccinia monoica
Rocky Mtn Zinnia
Zinnia grandiflora
Salsify(3)
Tragopogon spp.
Showy Goldeneye
Heliomeris multiflora
Sibbaldia*
Sibbaldiaprocumbens
Sneezeweed
Dugaldia hoopesii
Stiff Greenthread
Thelesperma fil.
Sundrops
Oenothera hartwegii
Sunflower(7)
Helianthus/Helianthella
Thrifty Goldenweed
Stenotus armerioides
Wild Asparagus*
Asparagus officinalis
Wright's Deervetch
Lotus wrightii
Yellow Avens(2)
Geum spp.
Yellow Flax(3)
Linum spp.
YellowMonkeyflower(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