Monographs Details: Potamogeton diversifolius Raf. var. diversifolius
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Description:Variety Description - Middle cauline lvs 20–180 times as long as wide, mostly 0.3–1.5 (avg 0.5+) mm wide; floating lvs 3–17-veined, 2–20 mm wide; widespread, but in our range n. only to Mass., s. N.Y., n. O., and c. Minn. (P. capillaceus; P. hybridus, misapplied)