Bill Bouton: Tennessee Coneflower, Echinacea tennesseensis
Bill Bouton: Tennessee Coneflower, Echinacea tennesseensis
Bill Bouton: Wavy-leaf/Pale Purple Coneflower, Echinacea simulata
Bill Bouton: Gray-headed Coneflower, Ratibida pinnata
Bill Bouton: Cobwebby Thistle, Cirsium occidentale
Bill Bouton: Cobwebby Thistle, Cirsium occidentale
Bill Bouton: Red Thistle, Cirsium occidentale venustum
Bill Bouton: Cobwebby Thistle, Cirsium occidentale var. compactum
Bill Bouton: Surf Thistle, Cirsium rhothophilum
Bill Bouton: Surf Thistle, Cirsium rhothophilum
Bill Bouton: La Graciosa Thistle, Cirsium loncholepis
Bill Bouton: Chorro Creek Bog Thistle, Cirsium fontinale var. obispoense
Bill Bouton: Peregrine Thistle, Cirsium cymosum
Bill Bouton: Red/Purple Starthistle, Centaurea calcitrapa
Bill Bouton: Coastal Tidytips, Layia platyglossa
Bill Bouton: Tidy-tips, Layia platyglossa, and frost
Bill Bouton: Coastal Tidytips, Layia platyglossa
Bill Bouton: Tidy Tips, Laya platyglossa Carrizo Plain NM
Bill Bouton: Tidy Tips, Layia platyglossa
Bill Bouton: Coastal Tidytips, Layia platyglossa
Bill Bouton: Bigelow's Sneezweed, Helenium bigelovii
Bill Bouton: Bigelow's Sneezeweed, Helenium bigelovii
Bill Bouton: Gumplant, Grindelia hirsutula
Bill Bouton: Gumplant, Grindelia hirsutula
Bill Bouton: California Desert Dandelion, Malacothrix californica
Bill Bouton: Coast Tarweed, Madia sativa
Bill Bouton: Coast Tarweed, Madia sativa
Bill Bouton: Western Bog Aster, Symphyotrichum spathulatum var. yosemitanum
Bill Bouton: Subalpine/Wandering Fleabane, Erigeron peregrinus
Bill Bouton: Seaside Daisy/Beach Aster, Erigeron glaucus