*Scleranthus annuus Linnaeus ssp. annuus. Common name: Knawel, Annual Knawel, Knotgrass. Phenology: Mar-Oct. Habitat: Fields, ditches, roadsides, other disturbed areas. Distribution: Native of Mediterranean Europe, n. Africa, and w. Asia.
Origin/Endemic status: Europe
Taxonomy Comments: There are seven other subspecies recognized outside our region (Thieret & Rabeler in FNA 2005).
Synonymy ⓘ: = Ar, Can, FNA5, NY; < Scleranthus annuus L. — C, F, Fl4, G, GrPl, Il, K4, Mi, NE, Pa, RAB, S, S13, Tat, Tn, Va, W, WH3, WV. Basionym: Scleranthus annuus L. 1753
Links to other floras: = Scleranthus annuus ssp. annuus - FNA5
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU (name change)
- Eastern Mountains and Piedmont: FACU (name change)
- Great Plains: FACU (name change)
- Midwest: FACU (name change)
- Northcentral & Northeast: FACU (name change)
Heliophily ⓘ: 9
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Horticultural Information
No horticultural data found for this taxon.