Dieteria bigelovii var. commixta

(Greene) D. R. Morgan & R. L. Hartman

Sida 20: 1394. 2003.

Endemic
Basionym: Machaeranthera commixta Greene Pittonia 4: 71. 1899
Synonyms: Machaeranthera bigelovii var. commixta (Greene) B. L. Turner Machaeranthera canescens var. commixta (Greene) S. L. Welsh
Treatment appears in FNA Volume 20. Treatment on page 398. Mentioned on page 396, 397.

Leaf blades lanceolate to oblanceolate, mid 20–60 × 5–12 mm, margins usually entire, sometimes dentate or serrate, faces glabrous or sparsely puberulent, often sparsely stipitate-glandular. Involucres broadly turbinate, 7–13 mm, widths 1–1.5 times heights. Phyllaries 25–50, 1–2 mm wide (at midpoint), apices acute to acuminate, 2–4 mm. Ray florets 12–30. 2n = 8.


Phenology: Flowering Jun–Sep.
Habitat: Grasslands, meadows, in subalpine coniferous forests
Elevation: 2400–3400 m

Discussion

Variety commixta is found in and near the southern Wasatch Mountains.

Selected References

None.

Lower Taxa

None.
David R. Morgan +
(Greene) D. R. Morgan & R. L. Hartman +
Machaeranthera commixta +
2400–3400 m +
Grasslands, meadows, in subalpine coniferous forests +
Flowering Jun–Sep. +
Machaeranthera bigelovii var. commixta +  and Machaeranthera canescens var. commixta +
Dieteria bigelovii var. commixta +
Dieteria bigelovii +
variety +