Notes on Liverwort Specimens from the Philippine Cordilleras in the Botanical Herbarium of the UPLB Museum of Natural History (CAHUP)

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Eugene L. R. Logatoc Annalee S. Hadsall Pastor L. Malabrigo Jr. William Sm. Gruezo


An account of liverwort specimens collected from the Philippine Cordilleras, particularly from the Cordillera Administrative Region (CAR), deposited and accessioned in the Botanical Herbarium of the University of the Philippines Los Baños Museum of Natural History (CAHUP) is provided. A total of 539 accessions from the region were recorded, comprising 23.89% of the overall liverwort and hornwort collection of CAHUP. This represents a total of 76 species distributed in 41 genera and 26 families. The families Lepidoziaceae with 179 accessions, Plagiochilaceae with 100 accessions, and Herbertaceae with 48 accessions make up the majority of the collections from the region. The oldest dated specimen from the CAR deposited in the herbarium was collected by H.H. Bartlett in 1935 and the bulk of accessioned specimens from the region were collected in the 1970s by M. Alvarez with A. Tandang and Saprid from Mt. Data (Mountain Province) and Mt. Pulag (Benguet Province), respectively. The geographic extent of liverwort collection in the CAR, as reflected by the accessioned specimens, is restricted to few localities in the provinces of Benguet, Ifugao, and Mountain Province. Locality information and distribution records for noteworthy species are reported, with 20 species new to the CAR; new localities are reported for another 18 species. With the current state of liverwort collection and research in the CAR, the processing and accessioning of approximately 15,000 bryophyte specimens from different parts of the country, conducting inventories and examination of herbarium specimens in other herbaria, and carrying out extensive and systematic collection work in areas of high conservation value are expected to contribute more information on the ecology, richness and diversity, and distribution of liverworts in the region.

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