Ambrosia psilostachya

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Noun1.Ambrosia psilostachya - coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and MexicoAmbrosia psilostachya - coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico
ambrosia, bitterweed, ragweed - any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
References in periodicals archive ?
Ambrosia psilostachya DC., Artemisia ludoviciana Nutt., Vernonia baldwinii Torr., and Solidago canadensis L.
The disturbed dry sand prairie was dominated by Eragrostis trichodes, Heterotheca camporum, and Ambrosia psilostachya; the mature dry sand prairie was dominated by Schizachyrium scoparium, Tephrosia virginiana, and Opuntia humifusa (McClain et al.
scoparium, Eragrostis lovegrass) and entire dicots (Acalypha radians cardinal's feather, Croton, Ambrosia psilostachya Cuman ragweed) representative of diets in summer, and monocots (roots and tops of Panicum oligosanthes Heller's rosette grass, S.
Ambrosia psilostachya aparece en medios ruderalizados como bordes de caminos, terrenos baldios, orillas pedregosas de rios y arroyos, etc.
pepperweed (Lepidium virginicum), and ragweed (Ambrosia psilostachya).
Como lo han mostrado del Amo Rodriguez y Gomez-Pompa **, las plantas del centro de Mexico que se han estado identificando como Ambrosia psilostachya y como A.
Common associated species of these dry sand prairies were Ambrosia psilostachya (western ragweed), Dichanthelium villosissimum (hairy panic grass), Opuntia humifusa (common prickly pear), and Tephrosia virginiana (goat's-rue).
Ambrosia psilostachya (western ragweed) was the most abundant species regardless of management regime.
The modern prairie vegetation is dominated by big bluestem (Andropogon gerardii), indiangrass (Sorghastrum nutans), switchgrass (Panicum virgatum) and little bluestem (Schizachyrium scoparium); subdominant species include tall dropseed (Sporobolus asper) and sedges (Carex spp.) along with western ragweed (Ambrosia psilostachya) and annual broomweed (Gutierrezia dracunculoides) (cf.
The Dogtown site was dominated by sheepweed (Croton texensis), the Friendship site by ragweed (Ambrosia psilostachya) and the Liberty Grove site by late flowering boneset.