Spirodela punctata (G.Mey.) C.H.Thomps.

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family


  • Scientific Name

    Spirodela punctata (G.Mey.) C.H.Thomps.

  • Description

    Species Description - Like a small version of no. 1 [Spirodela polyrhiza (L.) Schleid.]; thallus 2.5–5 mm, half to 3/4 as wide, obscurely 3–5-nerved; roots 2–5; seed solitary; 2n=40, 50. Quiet water; widely scattered in warm regions, rare and irregular with us. (S. oligorhiza)