[Taxacom] Saxifraga tischii a good species?

[Ken Kinman]

Dear All,
      The Electronic Atlas of the Plants of British Columbia shows Saxifraga 
tischii as a synonym of Saxifraga rufidula (link below).  However, most 
databases still show S. tischii as a good species based on morphological 
differences (unfortunately NCBI shows no molecular sequences for S. 
tischii).  Anyone have any opinions on whether they are conspecific or not?  
Perhaps S. tischii is a good species, but only occurs in Washington State 
(not also in British Columbia as was once thought)?
    -----Ken

http://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Saxifraga+rufidula

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