Potamogeton pusillus subsp. pusillus 
  • Potamot nain

Cite taxon page as 'WFO (2023): Potamogeton pusillus subsp. pusillus . Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001234943. Accessed on: 06 Feb 2023'

General Information

Leaves: stipules connate; blade 1.4--6.5 cm ´ 0.5--1.9 mm, apex acute or rarely apiculate, rarely with bristle, lacunae present or absent, 0--2 rows each side of midrib; veins 1--3. Inflorescences: peduncles 1--3 per plant, filiform to cylindric; spikes cylindric, interrupted. Fruits obovoid, sides centrally concave; beak toward adaxial edge, rarely median. 2n = 26 (Eurasia).

  • Provided by: [A].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Leaves 1-3-veined, 1.4-6.5 cm x 0.5-1.9 mm, the apex acute or rarely apiculate, rarely with a bristle, lacunae absent or to 2 rows each side of midrib; ligules usually connate. Peduncles filiform to cylindrical, 1-3 per plant; spikes cylindric, usually interrupted. Fruits obovate, the sides usually centrally depressed; beak forward, rarely central.

  • Provided by: [B].Flora Neotropica
    • Source: [
    • 2
    • ]. 


    Nearly cosmopolitan. In the Neotropics, it is fairly common from Mexico south to Argentina and Chile at elevations from sea level to 2500 m, although it is not known in the Guayana area. The taxon occurs in lakes, ponds, streams, and marshes, especially those that are slightly calcareous.

  • Provided by: [B].Flora Neotropica
    • Source: [
    • 2
    • ]. 

    Other Local Names

    Potamot nain

     Information From

    Flora of North America @ efloras.org
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    Flora Neotropica
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online Data. 2021.
    • C CC0 1.0 Universal (CC0 1.0).