Taxon:Ceratophyllum demersum L. Family: Ceratophyllaceae
Determiner: Freckmann, Robert W.
Collector:
R.G. Koch 9105
Date: 1974-09-07
Verbatim Date: 1974-9-7
Locality:
United States, Wisconsin, Ashland, Long Island, a sand formed island in Lake Superior, S. of Madeline Island in (but not part of ) the Apostle Island Group.