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Willdenowia 35
Willdenowia – Annals of the Botanic Garden
and
Botanical Museum Berlin-Dahlem
ISSN 0511-9618
© 2005 BGBM Berlin-Dahlem.
Cocquyt, C. & Jahn, R. 2005: Rare Surirella
taxa (Bacillariophyta) from East Africa described
by Otto Müller: typifications, recombinations, new names,
annotations and distributions.
Willdenowia 35: 359-371.
doi:10.3372/wi.35.35218
Abstract
East African original material from which Otto Müller had
described more than 100 new diatom taxa at the beginning of the 20th
century was re-evaluated. In this paper nine of his names of
Surirella taxa have been assigned lectotypes. For three taxa
specimens were chosen from the original samples, for six taxa
Müller’s drawings have to serve as type, for three
of these also an epitype is designated. Three taxa are elevated to
species rank (S. tumida, S. likomensis, S.
africani-orientalis), for the latter two species substitute
names are validated. One taxon is synonymized. The distribution of the
eight accepted taxa in East Africa is summarized from literature.
Although rare, all but one have been recorded after
Müller’s first description. In addition to the above
mentioned, these are S. brevicostata, S. linearis
var. elliptica, S. margaritacea, S. turbo; only
S. panganensis seems to be so rare that it has never been
recorded since its first description.
