Rand and Redfield (1894) conducted a complete floristic inventory on Mount Desert Island, a culmination of 15 seasons of field work involving many botanists. Davis (1961) studied the spruce-fir forests of the coast of Maine from 1958-1960, including 6 stands in Acadia National Park. He included a description, synthesis of data collected, and qualitative observations for each stand as well as quantitative tree data. Wise (1970) conducted a 2-year (1968-1969) field inventory of Isle au Haut’s flora and notes 724 plant species on the island.
Rand, E.L., and J.H. Redfield. 1894. Flora of Mount Desert Island, Maine : a preliminary catalogue of the plants growing on Mount Desert and the adjacent islands. Cambridge University Press, John Wilson and Son, Cambridge, Massachusetts. https://irma.nps.gov/DataStore/Reference/Profile/2178902