Erigeron bellidiastrum var. robustus
Brittonia 6: 256. 1947.
Treatment appears in FNA Volume 20. Treatment on page 339.
Revision as of 15:26, 18 September 2019 by FNA>Volume Importer
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
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.