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An inventory of the corticolous lichen flora of the Edward J. Meeman Biological Station of the University of Memphis was conducted to determine the biodiversity of this protected site. In total, 43 species representing 28 genera and 15 families were identified. This preliminary list provides baseline data for future studies of the lichen flora of the area.
Sphagnum cycophyllum Sull. & Lesq., a peat moss in section Subsecunda, is rare across its contiguous range in North America. Apart from this range, it is disjunct in Nova Scotia, where it was, until now, known from only one location. Here we report a second population of S. cyclophylum in Nova Scotia, as well as recent confirmation of its continued presence at the original site.
The checklist of Pennsylvania mosses lists 443 taxa, with only 27 mosses listed for Juniata County. The most recent account of the liverworts and hornworts of Pennsylvania lists 147 liverwort and hornwort taxa from the Commonwealth, but only 4 liverworts from Juniata County. As a result of recent fieldwork, an additional 45 moss taxa and 1 liverwort species were found in the county. Bryophytes of interest include Amblystegium radicale, Brachythecium populeum, Climacium americanum, Hygroamblystegium tenax var. spinifolium, Orthotrichum pusillum, O. pumilum, and Schistidium viride. In addition, nine mosses from Juniata County previously known only from literature reports were collected, verified, and vouchers deposited in MO. Currently, 72 moss and five hepatic taxa are reported from Juniata County, Pennsylvania.
A recent survey of the liverworts of Mahogany Hammock, Everglades National Park, Florida, USA, complements the surveys in the 1950s, 1970s, and 1980s. Despite disturbances by hurricanes, changes in local ecology, and millions of park visitors, Mahogany Hammock still supports a rich hepatic flora with mostly tropical affinities. We collected 29 of ca. 47 taxa that have been recorded from the hammock, including six new records. Most taxa were found growing on the bark of trees and shrubs, but some were epiphyllous on the leaves of trees, ferns, and epiphytic Tillandsia (Bromeliaceae). The boardwalk in the hammock also served as a substrate for liverworts.
Three checklist tables are presented from collections made during a study of corticolous lichen community response to highway pollution in western Wake County, North Carolina, USA. A total of 103 species of lichens and three species of allied fungi were found, representing 64 genera in 36 families. Two allied fungi, Amphisphaeria bufonia and Rebentischia massalongoi, are recommended to be added to the North American lichen checklist.