Micrasterias thomasiana var. notata (Nordstedt) Grönblad
Reference: Grönblad 1920
Compare with: Micrasterias thomasiana; Micrasterias denticulata
Remarks: Basionym: ?Micrasterias denticulata β notata Nordstedt 1887, ?Micrasterias denticulata β notata nov. var. Nordstedt 1888.
Specimen 2011017-032 shows a cell of which one semicell has the ornamentation of the nominate variety and the other semicell that of the variety notata (a so-called Janus cell).

Europe


C0167
2013011008
C0333
2013011008
2013011-008
Front view
Netherlands
2013011-008
Detail
Netherlands
C0500
2013011008
C0500
2013011008
2013011-008
Detail
Netherlands
2013011-008
Detail
Netherlands
C0167
2012026019
C0167
2014027011
2012026-019
Front view
Netherlands
2014027-011
Front view
Netherlands
C0167
2011017032
C0167
2011017032
2011017-032
Front view
Netherlands
Janus cell
2011017-032
Front view
Netherlands
Janus cell

North America


C0167
2017058012
C0500
2017058012
2017058-012
Front view
USA (WA)
Sample Robin Matthews
2017058-012
Detail
USA (WA)
Sample Robin Matthews
All photos copyright: © 2009-2023 Alfred van Geest - Send comments to asvg@xs4all.nl