There are 2 verified occurrences, 17 historical occurrences.
In New York, Potamogeton strictifolius is known from shallow water habitats of both natural and artificial lakes (New York Natural Heritage Program 2011). Alkaline waters (Crow and Hellquist 2001). Alkaline waters of lakes and slow-moving streams (FNA 2000).
Central and eastern New York. New York is near the eastern edge of its range.
It is best to survey for Northern Pondweed from late July through September, when it is in fruit.
The time of year you would expect to find Straight-leaved Pondweed vegetative and fruiting in New York.
Potamogeton strictifolius Benn.
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York. 910 pp.
Hellquist, C.B. and G.E. Crow 1980. Aquatic Vascular Plants of New England: Part 1. Zosteraceae, Potamogetonaceae, Zannichelliaceae, Najadaceae. New Hampshire Agricultural Experiment Station University of New Hampshire. Station Bull. 515.
Holmgren, Noel. 1998. The Illustrated Companion to Gleason and Cronquist's Manual. Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York.
Mitchell, Richard S. and Gordon C. Tucker. 1997. Revised Checklist of New York State Plants. Contributions to a Flora of New York State. Checklist IV. Bulletin No. 490. New York State Museum. Albany, NY. 400 pp.
New York Natural Heritage Program. 2019. New York Natural Heritage Program Databases. Albany, NY.
Ogden, E.C. 1974. Anatomical patterns of some aquatic vascular plants of New York. New York State Museum Bull. 424.
Seymour, F.C. 1982. The flora of New England. A manual for the identification of all vascular plants including ferns and fern allies growing without cultivation in New England. Moldenka, Plainfield, New Jersey.
Weldy, T. and D. Werier. 2010. New York flora atlas. [S.M. Landry, K.N. Campbell, and L.D. Mabe (original application development), Florida Center for Community Design and Research http://www.fccdr.usf.edu/. University of South Florida http://www.usf.edu/]. New York Flora Association http://newyork.plantatlas.usf.edu/, Albany, New York
Information for this guide was last updated on: August 9, 2011
Please cite this page as:
New York Natural Heritage Program. 2019. Online Conservation Guide for Potamogeton strictifolius. Available from: https://guides.nynhp.org/straight-leaved-pondweed/. Accessed September 23, 2019.