Casual. (Copeland, A.I., Dawson, W. The introduced and invasive flora of Bermuda. Biol Invasions 27, 102 (2025). https://doi.org/10.1007/s10530-025-03559-8);
Native to Northern America. (Copeland, A.I., Dawson, W. The introduced and invasive flora of Bermuda. Biol Invasions 27, 102 (2025). https://doi.org/10.1007/s10530-025-03559-8);
[83, 84, 18, 6, 81, 55, 71, 2, 12, 102, 203] Copeland, A.I., Dawson, W. The introduced and invasive flora of Bermuda. Biol Invasions 27, 102 (2025). https://doi.org/10.1007/s10530-025-03559-8; Copeland A., Outerbridge M., Wong L. J., Pagad S. (2020). Global Register of Introduced and Invasive Species - Bermuda. Version 1.3. Invasive Species Specialist Group ISSG. Checklist dataset https://doi.org/10.15468/perwco;