Zygnema C.A. Agardh

Hilgert-Moreira, Suzane Both & Lorscheitter, Maria Luisa, 2025, Identification of palynomorphs sampled from a sedimentary profile of the last 5000 years in Lagoa dos Patos, Rio Grande do Sul, southern Brazil., Acta Botanica Brasilica (e 20240187) 39, pp. 1-15 : 7

publication ID	https://doi.org/10.1590/1677-941X-ABB-2024-0187
DOI	https://doi.org/10.5281/zenodo.16913713
persistent identifier	https://treatment.plazi.org/id/63578918-FFE0-FFA5-FF2D-2564901AFE77
treatment provided by	Felipe
scientific name	Zygnema C.A. Agardh
status

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14. Zygnema C.A. Agardh View in CoL

( Fig. 4H View Figure 4 )

Zygospore approximately elliptical, hyaline, cell wall showing circular recesses across the surface. Long axis ca. 43–50 µm (x 48 µm), short axis ca. 30–35 µm (x 33 µm). Ecological data: Zygnema is found in small, shallow freshwater mesotrophic lakes that warm rapidly in spring ( Van Geel, 1978; Bold et al., 1987). Better development observed at temperatures between 15 ºC–20 ºC ( Van Geel & Van der Hammen,1978). Cosmopolitan distribution ( Bicudo & Menezes, 2006).

References

Figures

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No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.

Taxonomy

Kingdom	Plantae
Phylum	Charophyta
Class	Conjugatophyceae
Order	Zygnematales
Family	Zygnemataceae

Specimens

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