Erigeron bellidiastrum var. robustus

Cronquist

Brittonia 6: 256. 1947.

Endemic
Treatment appears in FNA Volume 20. Treatment on page 339.

Stems moderately branched, usually simple proximally; proximal mostly (2–)2.5–5 mm wide. Leaves: basal and proximal cauline blades oblanceolate, 20–40(–60) × 3–5(–15) mm, margins entire or rarely with a pair of shallow teeth. 2n = 18.


Phenology: Flowering May–Jul(–Sep).
Habitat: Open habitats in deep, loose sand
Elevation: 500–1100 m

Distribution

V20-780-distribution-map.gif

Colo., Kans., Nebr., N.Mex., Okla., Tex.

Discussion

Intergrades between var. robustus and var. bellidiastrum occur in their area of geographic overlap.

Selected References

None.

Lower Taxa

None.