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New Records and a Taxonomic Review of Calamagrostis perplexa (Poaceae: Poeae: Agrostidinae), a New York State Endemic Grass

Calamagrostis perplexa is a New York State endemic grass species, hypothesized to be of hybrid origin, that previously was known only from a single locality. We provide a summary of its taxonomic history, report new New York records and ecological information for the taxon, and include a principal c...

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Published in:	Rhodora 2009-04, Vol.111 (946), p.155-170
Main Authors:	Howard, Timothy G, Saarela, Jeffery M, Paszko, Beata, Peterson, Paul M, Werier, David
Format:	Article
Language:	English
Subjects:	Awns Calamagrostis Callus endemic Glumes grass hybrid Hybridity Lakes Mountain peaks National parks New York Poaceae Principal components analysis principal components analysis (PCA) Research s Ridges Taxa
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description	Calamagrostis perplexa is a New York State endemic grass species, hypothesized to be of hybrid origin, that previously was known only from a single locality. We provide a summary of its taxonomic history, report new New York records and ecological information for the taxon, and include a principal components analysis and key characterizing morphological variation in C. perplexa and its putative close relatives C. canadensis, C. porteri, C. rubescens, and C. scribneri. Calamagrostis perplexa is now known from two extant populations and a third population of unknown status; it remains a New York state endemic.
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source	JSTOR Archival Journals and Primary Sources Collection
subjects	Awns Calamagrostis Callus endemic Glumes grass hybrid Hybridity Lakes Mountain peaks National parks New York Poaceae Principal components analysis principal components analysis (PCA) Research s Ridges Taxa
title	New Records and a Taxonomic Review of Calamagrostis perplexa (Poaceae: Poeae: Agrostidinae), a New York State Endemic Grass
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