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Disjunctions in Bryophytes

W. B. Schofield and H. A. Crum
Annals of the Missouri Botanical Garden
Vol. 59, No. 2 (1972), pp. 174-202
DOI: 10.2307/2394752
Stable URL: http://www.jstor.org/stable/2394752
Page Count: 29
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Disjunctions in Bryophytes
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Abstract

In spite of the more general distribution of many bryophytes, dramatic disjunctions exist, many of them similar to those shown by vascular plants. Various explanations have been offered to explain these disjunctions including continental drift, long-distance dispersal, and the fragmentation of a once more continuous distribution. No single hypothesis is sufficient to accommodate all species within any disjunctive pattern. The most serious difficulty is the inadequacy of exploration of considerable areas of the globe. Various bryophyte disjunctions are mapped in 51 distribution maps, and details of sexual patterns and dispersal mechanisms are assessed.

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