David Mann
Royal Botanic Garden Edinburgh
June 2012
Original drawings
Surirella angusta
drawings made in January 1995 from material from Threipmuir
Reservoir, near Edinburgh, Scotland, and published in
Mann, D.G. (2000). Auxospore formation and neoteny in Surirella angusta (Bacillariophyta)
and a modified terminology for cells of Surirellaceae. Nova Hedwigia 71: 165-183.
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