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FNA | Family List | FNA Vol. 20 | Asteraceae | Herrickia

1b. Herrickia kingii (D. C. Eaton) Brouillet, Urbatsch & R. P. Roberts var. barnebyana (S. L. Welsh & Goodrich) Brouillet, Urbatsch & R. P. Roberts, Sida. 21: 898. 2004.

Barneby’s aster

Machaeranthera kingii (D. C. Eaton) Cronquist & D. D. Keck var. barnebyana S. L. Welsh & Goodrich, Brittonia 33: 299, fig. 5. 1981; Aster kingii D. C. Eaton var. barnebyana (S. L. Welsh & Goodrich) S. L. Welsh; Tonestus kingii (D. C. Eaton) G. L. Nesom var. barnebyana (S. L. Welsh & Goodrich) G. L. Nesom

Leaves (at least some basal and proximal) irregularly serrate. Ray florets white. 2n = 18.

Flowering summer–early fall. Rocky slopes and cliff crevices in mountains, in Quercus-Cercocarpus and other forest communities, on Precambrian quartzite substrate; of conservation concern; 2200–2700 m; Utah.

Variety barnebyana is known from the Canyon Mountains and Mt. Nebo in the Wasatch Mountains (Millard and Juab counties). It is of conservation concern in Utah (R. Spahr et al. 1991).


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