Aaron Volkening:
The spadix of sweet flag (Acorus americanus)
Aaron Volkening:
Sweet flag (Acorus americanus), West Allis, Wisconsin
Aaron Volkening:
Sweet flag and cattail comparison
Aaron Volkening:
Lotus pond in Milwaukee's Humboldt Park
Aaron Volkening:
Cattail and sweet flag - cross section comparison
Aaron Volkening:
Sweet flag at Milwaukee's Humboldt Park
Aaron Volkening:
Cattail and sweet flag, together in wetland
Aaron Volkening:
Constructed wetland in Menomonee Valley Community Park, Milwaukee
Aaron Volkening:
Lotus pond in Milwaukee's Humboldt Park