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Plant Systematics and Evolution

, Volume 199, Issue 1–2, pp 33–52 | Cite as

Phylogeny and habitat adaptations within a monophyletic group of wetland moss genera (Amblystegiaceae)

  • Lars Hedenäs
  • Annemieke Kooijman
Article

Abstract

Genus level phylogenetic patterns within a monophyletic group of wetland mosses consisting ofTomentypnum, Hamatocaulis, Scorpidium, Conardia, Calliergon, Warnstorfia, Straminergon, andLoeskypnum (Amblystegiaceae) are cladistically analysed, usingPalustriella and partlyCratoneuron as outgroups. The ingroup consists of two clades, one withTomentypnum, Hamatocaulis andScorpidium, the other with the other ingroup genera. The second clade gets completely resolved only with the inclusion of habitat data. The adaptation to relatively dry wetland habitats probably evolved in the ancestor ofStraminergon andLoeskypnum, the species ofCalliergon andWarnstorfia, which are more ancestral, growing in wetter habitats. The more “primitive” taxa of the ingroup, as well asPalustriella species, occur in relatively mineral-rich habitats and adaptations to poorer habitats occurred several times in the two clades.

Key words

Musci Amblystegiaceae Habitat adaptations phylogeny wetlands 

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Copyright information

© Springer-Verlag 1996

Authors and Affiliations

  • Lars Hedenäs
    • 1
  • Annemieke Kooijman
    • 2
  1. 1.Department of Cryptogamic BotanySwedish Museum of Natural HistoryStockholmSweden
  2. 2.Fysisch geografisch en bodemkundig laboratoriumUniversiteit van AmsterdamAmsterdamThe Netherlands

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