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Xylorhiza tortifolia var. tortifolia
(Torr. & A. Gray) Greene
Family:
Asteraceae
[
Aster abatus
S.F. Blake,
more
Aster goodingii
Onno,
Aster mohavensis
Coville, non Kuntze,
Aster tortifolius
(Torr. & A. Gray) A. Gray, non Michx.,
Machaeranthera tortifolia
(Torr. & A. Gray) Cronquist & D.D. Keck,
Machaeranthera tortifolia var. imberbis
Cronquist,
Xylorhiza lanceolata
Rydb.,
Xylorhiza scopulorum
A. Nelson
]
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