*Cardamine flexuosa Withering. Common name: Woodland Bittercress. Phenology: Feb-May. Habitat: Disturbed sites. Distribution: Native of Europe.
ID notes: Whether this species is actually present in our region is uncertain, because of taxonomic confusion between it and C. occulta, and past reports confounded by that confusion.
Origin/Endemic status: Eurasia
Taxonomy Comments: Lihová et al. (2006) show that Asiatic "C. flexuosa" is a distinct taxon from European C. flexuosa and will need a new name; at least some of our material is the Asiatic species, whose proper name is unclear (Lihová et al. 2006).
Other Comments: Both the European and Asiatic taxa are allotetraploids of unclear parentage.
Synonymy ⓘ: = Can, NS, POWO, Marhold et al (2016), Šlenker et al (2018); > Cardamine debilis DC. — K1, Rollins (1993); < Cardamine flexuosa With. — Ar, Bah, F, FNA7, Il, K4, Mi, NE, Pa, RAB, Va, Al-Shehbaz (1988a); > Cardamine flexuosa With. — K1, Rollins (1993). Basionym: Cardamine flexuosa With. 1796
Links to other floras: < Cardamine flexuosa - FNA7
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Wetland Indicator Status:
- Great Plains: FACW (taxonomic split from wetland indicator species)
- Midwest: FACU (taxonomic split from wetland indicator species)
- Northcentral & Northeast: FAC (taxonomic split from wetland indicator species)
Heliophily ⓘ: 7
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