From EYH@WPO.NERC.AC.UKTue Apr 29 15:30:14 1997
Date: Mon, 21 Apr 1997 16:23:01 +0000
From: Elizabeth Haworth <EYH@WPO.NERC.AC.UK>
To: DIATOM-L@IUBVM.UCS.INDIANA.EDU
Subject: Current names

I received several responses to my query about valid
recombinations for Fragilaria spp. and requests for the
replies.  So far:-

For Fragilaria construens var. binodis (Ehr.) Grun.,
PSEUDOSTAUROSIRA
CONSTRUENS var. BINODIS (Ehrenberg) Edlund.  In
EDLUND, M. B.  1994.
Additions and confirmations to the algal flora of Itasca State
Park II.
Diatoms from Chambers Creek.  Journal of the Minnesota
Academy of Science,
59(1):10-21. [comb. made on p. 12]
according to David Czarnecki

and
>Fragilaria construens var. binodis (Ehr.) Grun.
Staurosira construens var. binodis (Ehr.) Hamilton 1992
Diatom Research 7 (1): 29
>F. pinnata var. genuina fo subsolitaris (Grun.) Mayer
No change according to the genera of Round,....until now
>F. contruens var. venter (Ehr.) Grun.
Staurosira construens var. venter (Ehr.) Hamilton 1992
Diatom Research 7 (1): 29
>F. virescens var. subsalina Grun. / F. subsalina (Grun.)
>Lange-Bert.
No change according to the genera of Round,....until now
 according to Luc Ector
and Michael Hein

My thanks for the responses

Liz Haworth
Institute of Freshwater Ecology,
Ambleside, Cumbria , UK

eyh@wpo.nerc.ac.uk