Wild Quinine blooming among native grasses at Railroad Prairie Natural Area, Prairie County, Arkansas. Photo: Eric Hunt, Wikimedia Commons (CC BY-SA 4.0) Parthenium integrifolium, known
A wild Guayule shrub growing in rocky Chihuahuan Desert ground near Fort Stockton, Texas. Photo: Clarence A. Rechenthin, USDA NRCS (public domain) Parthenium argentatum, commonly
A mature Mexican palo verde in bloom at Bentsen-Rio Grande Valley State Park, Hidalgo County, Texas. Photo: sonnia hill / Wikimedia Commons (CC BY 2.0)
A mature foothill palo verde on a rocky bajada in the Sonoran Desert, Arizona. Photo: Krzysztof Ziarnek, Kenraiz / Wikimedia Commons (CC BY-SA 4.0) Parkinsonia
American ginseng growing in rich Appalachian hardwood forest, with its ring of ripe red berries. Photo: Dan J. Pittillo / USFWS (Public domain) Panax quinquefolius,
Oregon wood sorrel carpeting a mossy spot on the shaded floor of a coast redwood forest. Photo: Missvain, Wikimedia Commons (CC0) Oxalis oregana, commonly called
A flowering clump of Maydell’s oxytrope rooted in rocky Alaska tundra. Photo: Mathew, Wikimedia Commons (CC BY 4.0) Oxytropis maydelliana, known as Maydell’s Oxytrope (also
A mature coastal prickly pear clump on the bluffs at Torrey Pines State Natural Reserve, San Diego County. Photo: Krzysztof Ziarnek, Kenraiz, Wikimedia Commons (CC
Tanoak forming a dense understory beneath coast redwoods. Photo: Awinch1001, Wikimedia Commons (CC0) Notholithocarpus densiflorus, commonly known as Tan Oak or Tanoak, is a broadleaf
A clump of scarlet beeblossom showing its wiry, narrow-leaved growth habit. Photo: JerryFriedman, Wikimedia Commons (CC BY-SA 3.0) Oenothera suffrutescens, best known as Scarlet Beeblossom
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