FLORA OF NORTH AMERICA
Potamogeton filyformis Pers. subsp. occidentalis
(J.W. Robbins) Hellquist & Haynes
C. B. Hellquist May 1994
  ff
11 v1.=w-vllnn ~__
E ri-,:;_JD.& _*H . ,_
"Q _ Y ;__, _ 1
?:- é'lU.1_`I
  ' i; §;f_:"2\ ?Q;1‘§;:';<1:~'-  
PET
:4
A .

