With regard to the beech woodlands, the northern Apennines have their own identity due to the presence of species which are not to found in the rest of the Apennines such as Phyteuma scorzonerifoilium, Phyteuma ovatum Dryopteris carthusiana,
Phegopteris connectilis, Teucrium scorodonia, Trochiscanthes nodiflorus, Sesleria argentea, Anemone trifolia, in addition to a wide group of species of the Luzula genus such as Luzula luzuloides, Luzula nivea, Luzula luzulina, Luzula pilosa, Luzula pedemontana.
Crab Beaver Pond: Vaccinium ovalifolium, 19.4%; Lysichitum americanus, 17.2%; Oplopanax horridus, 7.2%; Carex laeviculmis, 6.4%; Pleuroziopsis ruthenica, 6.2%; Rhytidiadelphous loreus, 5.9%; Angelica genuflexa, 3.5%; Rubus spectabilis, 3.4%; Maianthemum dilatatum, 3.0%; Rhizomnium glabrescens, 2.4%; Torreyochloa pallida, 2.2%; Streptopus amplexifolius, 2.0%; Pogonatum contortum, 1.8%;
Phegopteris connectilis, 1.7%; Scirpus microcarpus, 1.6%; Paraleptodontium recurvii, 1.5%; Tsuga heterohylla, 1.5%; Sparganium angustifolium, 1.4%; Sphagnum squarrosum, 1.4%; Antitrichia curtipendula, 1.1%; Trisetum cernuum, 1.0%.
Phegopteris - beech ferns: genus is variously classified: considered alternative name for genus Dryopteris or included in genus Thelypteris