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Discovered and photographed by Michael Terry. Rock outcrop under dense canopy of sugar maple, fir, cedar, and other mixed woods. A few clumps within 20 feet of each other. Rachies appear slightly glandular, long-triangular shape like C. bulbifera but without bulblets on frond underside, occasional vestiges in axes. A sample was collected (Terry #5085) and sent to the University of Michigan Herbarium; Dr. Anton Reznicek confirmed it is Cystopteris laurentiana on 3/6/2023.

After much searching over several years, by myself and many others, I was finally able to relocate this known population of a very rare beak sedge. We only have two populations of this state-endangered species in Massachusetts and this one had been missing for more than a decade. This find is primarily the result of years of work by our staff at the Division of Fisheries and Wildlife, especially Chris Buelow @cbuelow45 and the Western District staff to improve the conditions of this fen after years of beaver flooding. After I made the initial find, I had help from @karro_frost, @Doug_McGrady, and staff from The Nature Conservancy locating several more small populations. Together we were able to find about 300 stems in five spots, showing excellent recovery of this species. This appears to be the first iNat obs in New England for this species.