Phytologia, Vol. 68

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Excerpt from Phytologia, Vol. 68: March, 1990In North America, the genus Haplopappus has encompassed a wide variety of species groups (hall increasingly recognized in modern literature as phylogenetically disparate (lane, et al. Although it is perhaps not uni versally agreed upon, we agree with Brown Clark (1982) that Haplopappus sensu stricto is restricted to several sections that are endemic to South Amer ica. Haplopappus sect. Polyphylla of South America and the genus Hazardia of North America are closely similar and they may be congeneric. Except for Hazardia, however, none of the North American sections of Haplopappus sensu Hall can be considered to be congeneric with true Haplopappus.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.