Potamogetonaceae Berchtold & J. Presl. Pondweed Family.
A family of 6-7 genera and about 100 species (if circumscribed, as here, to include Zannichelliaceae), aquatic herbs, nearly cosmopolitan. Here circumscribed following recent molecular studies to include Zannichellia (Lindqvist et al. 2006; Angiosperm Phylogeny Group 2003, 2009).
Ref: Haynes (1978); Haynes & Hellquist (2000c) In Flora of North America Editorial Committee (2000); Haynes & Hellquist (2000d) In Flora of North America Editorial Committee (2000); Haynes, Les, & Holm-Nielsen In Kubitzki (1998b); Les & Haynes (1996); Lindqvist et al. (2006); Wiegleb & Kaplan (1998). Show full citations.
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© Keith Bradley | 
© Matt Berger, some rights reserved (CC BY), uploaded by Matt Berger | Potamogeton source | Original Image ⭷ Warning: was NOT research grade.
© Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang | Potamogeton vaseyi source | Original Image ⭷ Warning: was NOT research grade.
© Bruce A. Sorrie | Cite as...