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Unusually white-wooly haired population basally but fading to green up flowering stems. Plants in semi-shaded Quercus oblongifolia understory on volcanic alluvial substrate at mid canyon below western rim of Barranca Sirupa with Zinnia peruviana, Priva mexicana, Melampodium perfoliatum.
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Plants along roadside drainage in gravels of reddish volcanic rhyolite of grassy mid-slope hillside with Bouteloua hirsuta, Dahilia scherffii, Salvia emaciata, Verbena pinetorum, Milla biflora
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Note rayless, discoid heads with conspicuous pectinate bracts and pustulate glands. Plants in semi-shaded Quercus oblongifolia understory on volcanic alluvial substrate at mid canyon below western rim of Barranca Sirupa with Zinnia peruviana, Priva mexicana, Melampodium perfoliatum.
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Note rayless, discoid heads, pectinate bracts and postulate glands. Plants in semi-shaded Quercus oblongifolia understory on volcanic alluvial substrate at mid canyon below western rim of Barranca Sirupa with Zinnia peruviana, Priva mexicana, Melampodium perfoliatum.
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Note rayless, discoid heads with conspicuous pectinate bracts and pustulate glands. Plants in semi-shaded Quercus oblongifolia understory on volcanic alluvial substrate at mid canyon below western rim of Barranca Sirupa with Zinnia peruviana, Priva mexicana, Melampodium perfoliatum.
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1999 California Academy of Sciences
CalPhotos
Dyssodia cooperi
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Note rayless, discoid heads with conspicuous pectinate bracts and pustulate glands. Plants in semi-shaded Quercus oblongifolia understory on volcanic alluvial substrate at mid canyon below western rim of Barranca Sirupa with Zinnia peruviana, Priva mexicana, Melampodium perfoliatum.
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Presence in Chihuahua generally overlooked in technical literature
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Presence in Chihuahua generally overlooked in technical literature
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