Ceratophyllaceae - hornwort family
Taxonomy: Worldwide there is 1 genus and 6 species in the Ceratophyllaceae. Two of those species are found in Maine.
Mount Desert Island is home to 1 species in 1 genus that grows without cultivation. Click on a link below or scroll down for more information.
Ceratophyllum (1 species)
Ceratophyllum echinatum - spineless hornwort (rare1)
[information to be added]
Ceratophyllum echinatum (spineless hornwort) - [information to be added]
1This frequency designation is from Mittelhauser, Glen H., Linda L. Gregory, Sally C. Rooney, and Jill E. Webber. 2010. The Plants of Acadia National Park. Orono, Maine: The University of Maine Press.