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Summary Dendrobium bigibbum Lindl. has a long confused history, with taxa variously described as separate species, subspecies, varieties and forms. This paper records morphological variation in 160 representative plants in north Queensland and Torres Strait. The distribution range is delineated. ITS -DNA results did not show significant differences between populations...
North American green sturgeon, Acipenser medirostris, was petitioned for listing under the Endangered Species Act (ESA). The two questions that need to be answered when considering an ESA listing are; (1) Is the entity a species under the ESA and if so (2) is the “species” in danger of extinction or likely to become an endangered species in the foreseeable future throughout all or a significant portion...
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