Journal
SYSTEMATIC BOTANY
Volume 34, Issue 3, Pages 443-454Publisher
AMER SOC PLANT TAXONOMISTS
DOI: 10.1600/036364409789271128
Keywords
Neckeraceae; Orthostichella; peristome; phylogenetics; Pilotrichella; pleurocarpous mosses
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Funding
- DFG [QU 153/3-1]
- Academy of Finland
- University of Helsinki
- Finnish Cultural Foundation
- Natural History Museum of London
- German Academic Exchange Service (DAAD)
- Finnish Academy
- British Council
- Swedish Foundation for International Cooperation in Research and Higher Education (STINT)
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Although the Lembophyllaceae has undergone considerable revision during the last century, the generic and familial level relationships of this pleurocarpous moss family are still poorly understood. To address this problem, a generic revision of the Lembophyllaceae based oil molecular data was undertaken. We analyzed two plastid markers, the trnL-trnF and the psbT-psbH region in combination with the ITS2 of nuclear ribosomal DNA. The molecular data reveal that the Current circumscription of the family is too narrow and that several genera previously placed in the Lembophyllaceae Should be reincluded. The family includes: Beslia, Camptochaete, Dolichomitra, Dolichomitriopsis, Fallaciella, Fifea, Isothecium, Lembophyllum, Looseria stat. nox, Pilotrichella, Rigodium, Tripterocladium, and Weymouthia. Looseria contains a single species: Looseria orbiculata comb. nov. Acrocladium is excluded and provisionally accommodated in the Lepyrodontaceae. Generic limits supported by the molecular data Support a return to the early twentieth century family concept of Brotherus. The analyses indicate that the segregate genus Orthostichella is distinct from its parent genus Pilotrichella, probably at the family level. Whereas Pilotrichella is resolved within the Lembophyllaceae, Orthostichella clusters with porotrichum and Porothanmium forming a clade (OPP-clade) sister to the remaining Neckeraceae and Lembophyllaceae. Hence, the Neckeraceae
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