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Range DescriptionHemignathus ellisianus forms a complex of three subspecies, all of which are now considered extinct. The nominate was endemic the mountains of O'ahu, Hawaii, USA (Stattersfield et al. 1998). It is known from only two specimens collected in 1837 (Olson and James 1995), although there were undocumented reports in 1937 and 1940 (Greenway 1967). H. e. lanaiensis was found on Lana'i, Hawaii (Stattersfield et al. 1998). It is known from only three specimens, collected in 1892. In addition, fossil material allied to this taxon has been found on Moloka'i and Maui. H. e. stejnegeri was found on Kaua'i, Hawaii(Olson and James 1995, Stattersfield et al. 1998). It survived for the longest of any of the three subspecies, in Kaua'i's Alaka'i Wilderness Preserve, but has not been recorded since 1969 despite intensive surveys in the region and is presumed extinct (Olson and James 1995, Gorresen et al. 2009).