Cardamine parviflora Linnaeus var. arenicola (Britton) O.E. Schulz. Sand Bittercress. Phen: Mar-mid Jun. Hab: Various habitats, primarily seasonally wet areas with shallow soil or sand, also on mafic outcrop glades, as on greenstone, diabase, and nutrient-rich granites. Dist: The typic variety is Eurasian; our variety is widespread in e. North America, also occurring in the Pacific Northwest.

Origin/Endemic status: Native

Taxonomy Comments: Our plant may warrant specific status.

Synonymy: = Ar, C, F, GrPl, Il, K1, NcTx, NE, Pa, RAB, Tat, Tn, Tx, Va, Al-Shehbaz (1988a), Rollins (1993); > Cardamine arenicola Britton – S, S13; < Cardamine parviflora L. – Fl4, FNA7, G, GW2, K3, K4, Mi, NY, W, WH3; > Cardamine parviflora L. – S, S13

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU (name change)
• Eastern Mountains and Piedmont: FACU (name change)
• Great Plains: FACW (name change)
• Midwest: FAC (name change)
• Northcentral & Northeast: FAC (name change)

Heliophily: 7