Equisetum ×jesupii (A.A. Eaton) Christenhusz & Husby. Jesup's Horsetail. Hab: Wet thickets, bogs, shores. Dist: NL west to AK, south to n. NJ, s. OH, c. IL, WY, ID, and OR.

ID notes:Generally 3-5 dm tall, the stems 4-5 mm in diameter and firm when compressed.

Origin/Endemic status: Native

Synonymy: = Christenhusz et al (2019); = Equisteum praealtum × variegatum; >< Equisetum ×mackaii (Newman) Brichan – FNA2, K3, NE, misapplied and orthographic variant; >< Equisetum ×mackayi (Newman) Brichan – AqW, K4, misapplied; >< Equisetum ×trachyodon A.Braun – C, misapplied; >< Equisteum hyemale × variegatum – NY, misapplied

Show in key(s)

Show parent genus

Wetland Indicator Status:

• Eastern Mountains and Piedmont: FACW (name change)
• Great Plains: OBL (name change)
• Midwest: FACW (name change)
• Northcentral & Northeast: FACW (name change)