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Phenotypic and isozyme variation in Cystopteris fragilis (Pteridophyta) along an altitudinal gradient in Switzerland |
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| Authors: | Erich G mperle,Johann Jakob Schneller |
| Affiliation: | Erich Gämperle,Johann Jakob Schneller |
| Abstract: | |
| Keywords: | Altitudinal gradient chromosome number Cystopteris fragilis fertility isozyme variability phenotypic variability plant size vitality |
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