Erigeron pusillus Nutt.
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Detail
- Family
- Asteraceae
- Botanical Name
- Erigeron pusillus Nutt.
- Common Name
- Southern Horseweed
- Synonym(s)
- Conyza canadensis (L.) Cronq. var. pusilla (Nutt.) Cronq.; Erigeron canadensis L. var. pusillus (Nutt.) Boiv.
- Flora of Virginia Name/Status
- Erigeron pusillus Nutt.
- Comments
- See Comments under Erigeron canadensis L. This species is incompletely mapped, as it has not often been recognized in older Virginia floristic studies, being subsumed under a broad concept of Erigeron canadensis. More recently it has been overlooked and under-documented. It resembles small, slender forms of E. canadensis but can be distinguished by its glabrous stem and purple-tipped phyllaries. Its frequent co-occurrence with E. canadensis in weedy habitats may account for it being ignored or passed over by botanical collectors. Although often treated as a var., its morphological characters are very consistent and it appears to merit species rank.
- Habitat
- Fields, roadsides, clearings, dunes, and other open, weedy habitats. The distribution and status of Erigeron pusillus are incompletely known; recent field and herbarium studies suggest that this taxon is widely overlooked and under-documented; it is probably frequent across the southern two-thirds of the Coastal Plain and Piedmont, less so in the southern mountains. However, additional work is needed to fully delineate its distribution in the state.
- Native Status
- Native
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