Yellow Round Clusters
Bashful Ragwort
Senecio pudicus
Beggarticks(3)
Bidens spp.
Bighead Knapweed
Centaurea macrocephala
Bird's-foot Trefoil
Lotus corniculatus
Black Medic
Medicago lupulina
Bladderpod(9)
Physaria spp.
Broom Snakeweed*
Gutierrezia sarothrae
Buffalo Bur
Solanum rostratum
Buffaloberry(2)
Shepherdia spp.
Canadian Lousewort
Pedicularis canadensis
Chinchweed(2)*
Pectis spp.
Common Groundsel
Senecio vulgaris
Common Tansy
Tanacetum vulgare
Cudweed(2)*
Pseudognaphalium spp.
Dogweed
Dyssodia papposa
Fendler Barberry
Berberis fendleri
Fineleaf Hymenopappus(3)
Hymenopappus filifolious var.
Gold Buttons
Erigeron compositus
Golden Currant
Ribes aureum
Golden Draba(7)*
Draba spp.
Gordon's Ivesia
Ivesia gordonii
Gumweed(4)
Grindelia spp.
Hawksbeard(4)
Crepis spp.
Horsebrush
Tetradymia canescens
Indian Tea(2)
Thelesperma spp.
James' Prairie Clover
Dalea jamesii
Mountain Ball Cactus
Pediocactus simpsonii
Rocky Mountain Goldenrod*
Solidago multiradata
Mustard(12)*
Multiple spp.
New Mexico Olive
Forestiera pubescens
Nodding Ragwort
Senecio bigelovii
Oregon Grape
Mahonia repens
Paper Flower(2)
Psilostrophe spp.
Parry's Goldenrod
Oreochrysum parryi
Parsley(8)*
Multiple spp.
Pineapple Weed
Matricaria discoidea
Plumed Brickellbush
Brickellia brachyphylla
Rabbitbrush(8)*
Chrysothamnus spp.
Ragwort(12)
Packera spp.
Ragwort(10)
Senecio spp.
Rayless Arnica
Arnica parryi
Rubberweed(2)
Hymenoxys richardsonii var.
Russian Olive
Elaeagnus angustifolia
Siberian Peashrub
Caragana arborescens
Slender Hawkweed
Hieracium gracilis
Southern Goldenbush*
Isocoma pluriflora
Sowthistle(3)
Sonchus spp.
Spurge*(2)
Euphorbia spp.
Stoneseed(2)
Lithospermum spp.
Sulphur Flower(3)*
Eriogonum spp.
Taperleaf
Pericome caudata
Twinberry
Lonicera involucrata
Wallflower(3)
Erysimum spp.
Western Goldentop*
Euthamia occidentalis
Whitestem Goldenbush
Ericameria discoidea
Winged Buckwheat*
Eriogonum alatum
Yellow Beeplant
Peritoma lutea
Yellow Cryptantha*
Oreocarya flava
Yellow Stonecrop
Sedum lanceolatum
An * indicates that the individual flower is less than ½" across