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Grimmia muehlenbeckii, hitherto unrecorded in the bryoflora of New York State, is documented from eight counties in a large part of eastern New York. In this region G. muehlenbeckii grows at low to middle altitude on calcareous, weakly calcareous, and acidic rock, usually on bedrock outcrops that are weathered. The earliest collection from this area dates to 1955.
Fifty moss species are reported for the Guajataca Commonwealth forest in Puerto Rico; of these 25 are new for this forest. New species reported were collected from sinkholes in old forest fragments. As it stands this forest ranks fourth in total moss diversity and it shares species with Luquillo, Maricao and Río Abajo forests.
Polytrichum formosum var. densifolium is reported for Warren County, Missouri. Warren County is immediately north of the Missouri River and lies within the Border County Region, Interior Highlands of North America. This mostly northern taxon also occurs near Missouri in Tennessee. Unpublished molecular data indicate the taxon may be better placed in Polytrichum rather than Polytrichastrum.
Bryophytes are increasingly used in “green roofs” (especially in Europe), usually mixed with Sedum in prevegetated mats rolled onto roofs. In this paper, we briefly review the roof moss literature and also report our preliminary findings on voluntarily established roof moss communities near Terra Alta, West Virginia. We found 11 bryophyte species (including one liverwort) on four partly shaded roofs (differing in material, aspect, and pitch) that had apparently been relatively undisturbed for over 40 years. Species richness and composition varied considerably among roofs. The most frequent and abundant taxa were Hedwigia ciliata, Plagiomnium cuspidatum, Brachythecium laetum, and Platygyrium repens, each of which dominated a different roof. We suggest that Hedwigia merits further investigation as a candidate for extensive green roofs, based on drought-tolerance and a growth-form similar to that of Racomitrium -- which is used for green roofs in Japan. We hope that our review and preliminary data will encourage others to study roof mosses, which could potentially play an important role in the worldwide greening of cities.
A list of 598 taxa of lichen-forming, lichenicolous, and allied fungi has been compiled exclusively from specimens examined and verified by the authors or associated specialists. This list contains 190 potential state records for Virginia, and three species that have not previously been reported from North America: Arthonia anglica Coppins, Calvitimela talayana (Haugan & Timdal) Andreev, and Sphaerellothecium coniodes (Nyl.) Cl. Roux & Diederich.