Materials to the Zygnemaceae of Poland. II. Observations on the development cycle of Zygnema biforme Jao. 1947, a species new for the European flora

Joanna Z. Kadłubowska, Katarzyna Floryanowicz-Czekalska

Abstract


In the water sample taken on June 27, 1983 from the pond in Młogoszyn (Płock District) vegetative filaments and initial stages of conjugation of Zygnema biforme Jao were detected. In culture mature zygotes and their germination were observed. It is the second site of occurrence of this species in the world.

Keywords


development; Zygnema; species new for European flora

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DOI: https://doi.org/10.5586/asbp.1987.016

Journal ISSN:
  • 2083-9480 (online)
  • 0001-6977 (print; ceased since 2016)
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Publisher
Polish Botanical Society