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The ecology of lichens is understudied in Florida, especially the southern portion of the state. The goal of this study was to assess lichen cover on the trunks of oaks, Quercus, at Myakka River State Park. Lichen cover was measured vertically from the ground level 0.0 m to 7.4 meters along each cardinal direction. A pearson coefficient showed that total lichen cover did not increase nor decrease with tree height. Total cover on the tree trunk was greatest for the east side (33%) and lowest for the north side of the trees (17%). Crustose lichens accounted for 85% of the cover, and foliose only 15%. Foliose lichen cover increased significantly with height (ANOVA F(2,6)= 26.29, p= 0.0011) while crustose cover did not (ANOVA F(2,6)= 2.56, p= 0.16). Lastly, diversity of macrolichens between Myakka River State Park and Ocala National Forest was compared. Lichen diversity was very similar between sites, but two additional tropical species were found in Myakka.
Brothera leana (Sull.) Müll. Hal., recognized by its characteristic brood leaves, has been found in the Gila National Forest of southwest New Mexico and is a new state record. This location is over 800 kilometers (500 miles) west of those of previously reported specimens and represents a significant extension of the known range of this moss in North America.
Lophozia incisa (Schrad.) Dumort. is now known from the Interior Highlands in Missouri: a range extension of approximately 250 km southwest from the nearest documented locality in Illinois. The species was collected with other northern disjunct bryophytes in a sandstone gorge. Northern disjuncts in the Interior Highlands, such as L. incisa, have been considered southern relics of a widespread Arcto-Tertiary flora from the Pleistocene.
Seventy-seven mosses and two liverworts were found and identified during the field trips for the 2010 SO BE FREE foray in the Sacramento Mountains of southern New Mexico, at which 38 bryologists attended. A complete species list is presented, as well as locality data for eight records for the state of New Mexico.
Lophozia ciliata Damsh., L.Söderstr. & H.Weibull is one of a number of liverworts that grow on dead wood in boreal forests. The species is widely distributed in Scandinavia but until now has not been reported from Canada. This article documents the occurrence of the species from the boreal forest of northwestern Alberta, Canada.
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