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Three species, Biatoridium monasteriense, Catillaria picila and Hymenelia cyanocarpa are reported as new to North America, the first two occurring in Oregon and the last in British Columbia. Northward range extensions from California are reported for Aspicilia knudsenii, Lecanora mellea, and Lecidea mannii. The range of Caloplaca nivalis is extended southward. Other range extensions are given for Acarospora sinopica, Anaptychia bryorum, Caloplaca nivalis, Gyalidea asteriscus, Gypsoplaca macrophylla, Heterodermia japonica, Pertusaria chiodectonoides, Pycnothelia papillaria, Rhizocarpon sulphurosum, and Rinodina oregana.
A survey of Taum Sauk Mountain State Park in Iron and Reynolds County, Missouri, was conducted from June 2011 to March 2012 to voucher the bryoflora. Several additional specimens previously collected in the park and deposited in the herbarium of the Missouri Botanical Garden (MO) were also re-examined. This checklist documents 123 taxa from within the park's boundaries (103 mosses, 18 hepatics and 2 hornworts), and includes 33 new county records including a confirmed Missouri station for Ulota hutchinsiae (Sm.) Hammar. Due to the park's large size and limited accessibility, this checklist, although preliminary, establishes a baseline for future surveys.
The presence of the foliose cyanolichen Sticta sylvatica in eastern North America has been called into question due to the absence of high-quality, verifiable material and the common misuse of its name. Recently, specimens collected in the Great Smoky Mountains have been verified as having the typical S. sylvatica morphology. Although molecular data remain inconclusive regarding the entity's genetic distinctiveness from the phenotypically dissimilar S. limbata, we argue that the decline in the abundance of this morphological entity worldwide along with the need for further genetic study make continued conservation efforts imperative.
Forty seven mosses and nine liverworts are reported new to Wayne County, Pennsylvania thereby increasing the number to 91 known bryophyte species from 71 genera and 45 families. Species of interest include Physcomitrium immersum, Weissia phascopsis, Pterigynandrum filiforme, and Lejeunea lamacerina subsp. geminata.
Whereas lichen-habitat relations have been well-documented globally, literature on lichens of vernal pools is scant. We surveyed six vernal pools at Acadia National Park on Mount Desert Island, Maine, USA for their lichen diversity. Sixty-seven species were identified, including seven species that are new reports for Acadia National Park: Fuscideaarboricola, Hypogymnia incurvoides, Lepraria finkii, Phaeographis inusta, Ropalospora viridis,Usnea flammea, and Violella fucata. Five species are considered uncommon or only locallycommon in New England: Everniastrum catawbiense, Hypogymnia krogiae, Pseudeverniacladonia, Usnea flammea, and Usnea merrillii. This work represents the first survey of lichensfrom vernal pools in Acadia National Park and strongly suggests that previous efforts atdocumenting species at the Park have underestimated its species diversity. More work shouldbe conducted to determine whether a unique assemblage of lichens occurs in association withthis unique habitat type.