The genetic structure of sporophytic and gametophytic populations of the moss, Funaria hygrometrica Hedw.
Patterns of phenotypic and genotypic variability in two populations of Funaria hygrometrica were investigated using measurements of gametophytic and sporophytic morphology, sporophytic reproductive output, spore germination, gametophytic growth rates and tolerances of Cu, Cd, and low nutrient conditions, and electrophoretically detectable enzyme variation. Somatic mutation and/or nongenetic effects appear to contribute significantly to phenotypic variability in natural populations. -from Author
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