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Title: Sphagnum diabolicum sp. nov. and S. magniae sp. nov.; morphological variation and taxonomy of the “S. magellanicum complex”

Journal Article · · The Bryologist
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  1. Duke Univ., Durham, NC (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. State Univ. of New York (SUNY), Oneonta, NY (United States)
  4. Norwegian Univ. of Science and Technology, Trondheim (Norway)
  5. Western Pennsylvania Conservancy, Pittsburgh, PA (United States)
  6. Kenyon College, Gambier, OH (United States)
+ Show Author Affiliations

Until a few years ago, Sphagnum magellanicum was understood to be a single widespread species with an intercontinental range. Recent work by Norwegian sphagnologists showed that S. magellanicum s.str. is restricted to southern South America and plants known as S. magellanicum in Europe should be referred to S. divinum and S. medium. In a separate publication, we showed that there are two additional major clades in eastern North America, and we describe them herein as S. diabolicum and S. magniae. These species are very hard to distinguish morphologically (and also from S. divinum and S. medium) but are distinct phylogenetically, ecologically and geographically, and are important units of biodiversity. Here, morphological variation within and between species is photographically documented.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1960677
Journal Information:
The Bryologist, Journal Name: The Bryologist Journal Issue: 1 Vol. 126; ISSN 0007-2745
Publisher:
The American Bryological and Lichenological SocietyCopyright Statement
Country of Publication:
United States
Language:
English

References (10)

(New) Species concepts, species delimitation and the inherent limitations of taxonomy journal July 2018
Defining ‘Evolutionarily Significant Units’ for conservation journal October 1994
Cryptic species as a window on diversity and conservation journal March 2007
Sphagnum divinum ( sp. nov .) and S. medium Limpr. and their relationship to S. magellanicum Brid. journal May 2018
Species Concepts and Species Delimitation journal December 2007
The Impact of Species Concept on Biodiversity Studies
  • Agapow, Paul‐Michael; Bininda‐Emonds, Olaf R. P.; Crandall, Keith A.
  • The Quarterly Review of Biology, Vol. 79, Issue 2 https://doi.org/10.1086/383542
journal June 2004
Organellar phylogenomics of an emerging model system: Sphagnum (peatmoss) journal June 2016
Model-Based Species Delimitation: Are Coalescent Species Reproductively Isolated? journal December 2019
Spatial Genetic Structure of the Abundant and Widespread Peatmoss Sphagnum magellanicum Brid. journal February 2016
Divergent evolution and niche differentiation within the common peatmoss Sphagnum magellanicum journal July 2017

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59 BASIC BIOLOGICAL SCIENCES
Cryptic speciation
DNA barcodes
Peatmoss
Sphagnum magellanicum
Sphagnum divinum
Sphagnum medium