ISSN:
1615-6110
Keywords:
Diapensiaceae
;
Pyxidanthera barbulata
;
Pyxidanthera brevifolia
;
pyxiemoss
;
Allozymes
;
conservation
;
genetic diversity
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract TwoPyxidanthera morphs of questionable taxonomic rank are described in the eastern United States. We analyzed leaf samples from ninePyxidanthera populations (four of each morph and one with intermediate morphology) for 13 allozyme loci. Our results do not support differentiation of the two morphs at the species level. Mean genetic identity among populations was high (Ī = 0.97), and typical of that found for conspecific populations. The proportion of total genetic diversity found among populations was low (GST = 0.079). Several low frequency alleles were confined to each of the morphs, being found in some of the populations of each morph, but not all.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00989292
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