New Zealand Journal of Botany abstract
A new record of a marine macroalga from New Zealand - Giraudyopsis
stellifera
J. E. BROOM
W. A. JONES
Department of Biochemistry
University of Otago
P.O. Box 56
Dunedin, New Zealand
W. A. NELSON*
T. J. FARR
Museum of New Zealand Te Papa Tongarewa
P.O. Box 467
Wellington, New Zealand
Abstract The presence of the small brown-gold alga
Giraudyopsis stellifera in New Zealand is recorded for the first time.
This alga was discovered in algal cultures initiated with material collected on
Stewart Island. The comparison of 18S rDNA sequences enabled the confirmation
of its identity. This species produces small basal discs from which erect
uniseriate filaments develop. These erect filaments become pluriseriate and
then produce many zoosporangia. Although this species is placed in the order
Chrysomeridales the phylogenetic affinities of this order are unclear.
Keywords Giraudyopsis stellifera; new record; New
Zealand; Chrysomeridales
*Author for correspondence
email: wendyn@tepapa.govt.nz
B99052
Received 18 October 1999; accepted 2 November 1999
Short communication
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