Dibble, A.C., Miller, N.G., Hinds, J.W., Fryday, A.M., 2009. Lichens and Bryophytes of the Alpine and Subalpine Zones of  Katahdin, Maine, I: Overview, Ecology, Climate and Conservation Aspects. Bryologist 112, 651-672. doi:10.1639/0007-2745-112.4.651

Miller, N.G., 2009. Lichens and Bryophytes of the Alpine and Subalpine Zones of Katahdin, Maine, III: Bryophytes.. Bryologist 112, 704-748. doi:10.1639/0007-2745-112.4.704

Miller, N.G., Fryday, A.M., Hinds, J.W., 2005. Bryophytes and Lichens of a Calcium-Rich Spring Seep Isolated on the Granitic Terrain of Mt. Katahdin, Maine, U.S.A. Rhodora 107, 339-358. doi:10.3119/05-7.1

Miller, N.G., Miller, A.D., 1998. Occurrence of the Leafy Liverwort, Frullania bolanderi, in Old-growth Forests of Northeastern North America. Journal of the Torrey Botanical Society 125, 109-116. doi:10.2307/2997298