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By: Seiler, Hallie - Küry, Daniel - Billeter, Regula - Dengler, JürgenType: ArticleIn: Vegetation classification and surveyVolume: 2Series:Issue:Date: 2021-12-13Page Range: 257--274Publication Info: Sofia Pensoft Publishers 2020-Subjects: bryophyte helocrene montane Montio-Cardaminetea Parc Ela Phytosociology regional typology rheocrene spring vegetation subalpine Switzerland unsupervised classification