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semi-woody shrub in old burned area on steep slope of accumulated volcanic tuffaceous rhyolite rubble at mid-canyon. Showy flowers.
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Plants at roadside in coarse gravels of reddish volcanic rhyolite on grassy mid-slope hillside. This Mexican species seems to often occupy the same disturbed soil habitats at roadsides fence lines and fallow fields as the more northern 'Common Sunflower', Helianthus annuus, does in the US.
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Fruit body 5 mm long; photographed in Las Cruces, NM, Nov 8, 2016
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semi-woody shrub in old burned area on steep slope of accumulated volcanic tuffaceous rhyolite rubble at mid-canyon. Showy flowers.
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Plants at roadside in coarse gravels of reddish volcanic rhyolite on grassy mid-slope hillside. This Mexican species seems to often occupy the same disturbed soil habitats at roadsides fence lines and fallow fields as the more northern 'Common Sunflower', Helianthus annuus, does in the US.
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semi-woody shrub in old burned area on steep slope of accumulated volcanic tuffaceous rhyolite rubble at mid-canyon. Showy flowers.
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Plants at roadside in coarse gravels of reddish volcanic rhyolite on grassy mid-slope hillside. This Mexican species seems to often occupy the same disturbed soil habitats at roadsides fence lines and fallow fields as the more northern 'Common Sunflower', Helianthus annuus, does in the US.
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semi-woody shrub in old burned area on steep slope of accumulated volcanic tuffaceous rhyolite rubble at mid-canyon. Showy flowers.
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Plants at roadside in coarse gravels of reddish volcanic rhyolite on grassy mid-slope hillside. This Mexican species seems to often occupy the same disturbed soil habitats at roadsides fence lines and fallow fields as the more northern 'Common Sunflower', Helianthus annuus, does in the US.
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large shrub on volcanic tuff soil/gravel accumulation along river bank in canyon bottem
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semi-woody shrub in old burned area on steep slope of accumulated volcanic tuffaceous rhyolite rubble at mid-canyon. Showy flowers.
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Plants at roadside in coarse gravels of reddish volcanic rhyolite on grassy mid-slope hillside. This Mexican species seems to often occupy the same disturbed soil habitats at roadsides fence lines and fallow fields as the more northern 'Common Sunflower', Helianthus annuus, does in the US.
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semi-woody shrub in old burned area on steep slope of accumulated volcanic tuffaceous rhyolite rubble at mid-canyon. Showy flowers.
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Pine shaded understory in fallow, weedy pasture on low hillside in tuffaceous rhyolite gravels
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Plants at roadside in coarse gravels of reddish volcanic rhyolite on grassy mid-slope hillside. Head of disk flowers after rays have fallen
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semi-woody shrub in old burned area on steep slope of accumulated volcanic tuffaceous rhyolite rubble at mid-canyon. Showy flowers.
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along fence line between grassy road right-of-way and former lake bottom cultivated for agricultural use
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semi-woody shrub in old burned area on steep slope of accumulated volcanic tuffaceous rhyolite rubble at mid-canyon. Showy flowers.
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along fence line between grassy road right-of-way and former lake bottom cultivated for agricultural use
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semi-woody shrub in old burned area on steep slope of accumulated volcanic tuffaceous rhyolite rubble at mid-canyon. Showy flowers.