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The taxonomic status of Mimulus glabratus var. michiganensis (Pennell) Fassett.

dc.contributor.authorBliss, Peggyen_US
dc.coverage.spatialReese's Swampen_US
dc.coverage.spatialDamsiteen_US
dc.coverage.spatialBeaver Islanden_US
dc.date.accessioned2007-06-14T19:46:48Z
dc.date.available2007-06-14T19:46:48Z
dc.date.issued1982en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/53483
dc.description.abstractThere are two purported varieties of Mimulus glabratus in Michigan. Both commonly grow in groups of fifty to several hundred individuals in shallow water along streams and lake shores. One is the widespread M. glabratus var. fremontii which ranges from Ontario to Manitoba and south to Mexico. The other is M. glabratus var. michiganensis, a Michigan endemic found only in the Mackinac Straits region in Cheboygan, Mackinac, Charlevoix and Emmet Counties. Pennel (1935) and Fassett (1939) accorded the later varietal recognition due to its larger flower, more sinuate-dentate leaves, unspotted corolla, and a more upright habit than M. glabratus var. fremontii. However, an examination of herbarium specimens by Crispin (personal communication) and myself suggests that a continuum of morphological diversity between the two varieties may exist. There are specimens annotated by Pennell as M. glabratus var. fremontii whose leaf margins are as sinuate-dentate as those of M. glabratus var. michiganensis. Other specimens labelled as M. glabratus var. michiganensis are noted to have had slightly spotted corollas and McArthur et. al. (1972) reports the same chromosome number for both varieties (n=15). At present, M. glabratus var. michiganensis is listed as threatened by the state of Michigan, however, it is not considered threatened by the Federal Endangered Species Office because of its uncertain taxonomic status. The purpose of this investigation was to determine whether M. glabratus var. michiganensis is indeed a distinct variety, or simply a morphological extreme of the widespread M. glabratus var. fremontii.en_US
dc.format.extent1189694 bytes
dc.format.extent3144 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.relation.haspartDiagram or Illustrationen_US
dc.relation.haspartGraphen_US
dc.relation.haspartPhotographen_US
dc.relation.haspartTable of Numbersen_US
dc.subjectNETPen_US
dc.subject.otherMIMULUSen_US
dc.subject.otherVARIATIONen_US
dc.subject.otherTAXONOMYen_US
dc.subject.otherMORPHOLOGYen_US
dc.subject.otherWATERen_US
dc.subject.otherCHEMISTRYen_US
dc.subject.otherHABITATen_US
dc.subject.otherANALYSISen_US
dc.subject.otherTRANSPLANTSen_US
dc.titleThe taxonomic status of Mimulus glabratus var. michiganensis (Pennell) Fassett.en_US
dc.typeWorking Paperen_US
dc.subject.hlbsecondlevelNatural Resource and Environmenten_US
dc.subject.hlbtoplevelScienceen_US
dc.contributor.affiliationumBiological Station, University of Michiganen_US
dc.contributor.affiliationumcampusAnn Arboren_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/53483/1/1918.pdfen_US
dc.description.filedescriptionDescription of 1918.pdf : Access restricted to on-site users at the U-M Biological Station.en_US
dc.owningcollnameBiological Station, University of Michigan (UMBS)


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