Sparganium americanum Nutt.
Knight, Susan; Sulman, Joshua D. 913
United States, Wisconsin, Vilas, Allequash Lake, W basin; 6 mi. S of Boulder Junction
46.03° N, 89.633° W; T41N R07E sec16
Unusual population, mixed S. emersum (#912) and S. americanum (#913), difficult to differentiate: floating, loose vegetation covering much of shallow basin, with no firm bottom: with Nuphar variegata, Zizania palustris, Sparganium natans, Brasenia. EC=110uS
Branched inflorescence, lowest female head on main axis supra-axillary, rest axillary; stigmas >2mm.
Record Id: 21f3df53-b9a6-4597-8de2-80bc8b7b27cd
Occurrence ID (GUID):