| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
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| Ranunculaceae | Ficaria verna ssp. calthifolia | Lesser Celandine, Fig Buttercup | Disturbed rich forests and bottomlands, mesic suburban forests, lawns, ditches, stream- and river-banks, naturalized from horticultural plantings. | Native of ec. and se. Europe. Naturalized in the US in CT, DE, DC, IL, KY, MD, MA, MI, MO, NJ, NY, OH, OR, PA, TN, VA, WA, WV, WI (Post et al. 2009), and beyond in the years since. | 
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| Ranunculaceae | Ficaria verna ssp. chrysocephala | Lesser Celandine, Fig Buttercup | Disturbed areas. | Native of e. Mediterranean Europe. Naturalized in the US in MD, NY, OR, WA (Post et al. 2009). | 
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| Ranunculaceae | Ficaria verna ssp. fertilis | Lesser Celandine, Fig Buttercup | Disturbed areas. | Native of w. Europe. Naturalized in the US in DC, IL, MD, MA, NY, PA, WA, WV (Post et al. 2009). | 
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| Ranunculaceae | Ficaria verna ssp. ficariiformis | Lesser Celandine, Fig Buttercup | Disturbed rich forests and bottomlands, mesic suburban forests, lawns, naturalized locally from horticultural plantings. | Native of c. and w. Mediterranean Europe. First reported for NC by Krings et al. (2005). Naturalized in the US in MO, NY, NC, OH, PA, TX (Post et al. 2009). | 
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| Ranunculaceae | Ficaria verna ssp. verna | Lesser Celandine, Fig Buttercup | Disturbed rich forests and bottomlands, mesic suburban forests, lawns, naturalized locally from horticultural plantings. | Native of Europe. Naturalized in the US in CT, DC, DE, MA, MD, MI, MO, NH, NJ, NY, OH, OR, PA, VA, WA, WV (Post et al. 2009). | 
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