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Penstemon ambiguus

Known as: Penstemon ambiguus Torr. 
National Institutes of Health

Papers overview

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Review
1983
Review
1983
Samples of 34 populations of theJuncus bufonius aggregate in Slovakia have been submitted to a numerical-taxonomic treatment… 
Review
1978
Review
1978
The history of the taxonomic treatment of the Juncus bufonius L. aggregate is surveyed. Five species within it are recognized in…