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Genus Johansenia
Name: Johansenia Hašler et al. 2014
Etymology: Jo.han.se’ni.a. N.L. fem. n. Johansenia, The genus is named in honour of Jeffrey R. Johansen, Prof. of John Carroll University in Cleveland, USA and an internationally renowned cyanobacterial researcher.
Gender, pronunciation: feminine (stem: Johanseni-), jo-han-SE-ni-a
Type species: Johansenia constricta (Szafer 1910) Hašler et al. 2014
Valid publication: Hasler P, Dvorák P, Poulícková A. A new genus of filamentous epipelic cyanobacteria, Johansenia. Preslia (Prague) 2014; 86:81-94.
Nomenclatural status: validly published under the ICN (Botanical Code), illegitimate name
Correct name: Johanseninema Hašler et al. 2014
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Synonyms:
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Name Kind Johanseninema Hašler et al. 2014 homotypic synonym, validly published under the ICN (Botanical Code)
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Notes:
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🧕 Strunecky et al. (2023) assigned this genus to the family Chroococcaceae Rabenhorst 1863.
Publication:
Strunecky O, Ivanova AP, Mares J. An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis. J Phycol 2023; 59:12-51.
- 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Johanseninema Hašler et al. 2014. Publication: Hašler P, Dvořák P, Poulíčková A. Johanseninema, a corrected name for a recently described genus of filamentous epipelic cyanobacteria. Preslia 2014; 86:293-294.
- 🧍 Later homonym of Johansenia Johansenia K. Hind. et G. W. Saunders (Rhodophyta). Publication: Hašler P, Dvořák P, Poulíčková A. Johanseninema, a corrected name for a recently described genus of filamentous epipelic cyanobacteria. Preslia 2014; 86:293-294.
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🧕 Strunecky et al. (2023) assigned this genus to the family Chroococcaceae Rabenhorst 1863.
Publication:
Strunecky O, Ivanova AP, Mares J. An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis. J Phycol 2023; 59:12-51.
Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 1
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Child taxa:
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Name Nomenclatural status Taxonomic status Johansenia constricta (Szafer 1910) Hašler et al. 2014 validly published under the ICN (Botanical Code), illegitimate name synonym
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Parent taxon: Microcoleaceae (Hansgirg 1892) Strunecký et al. 2013
Assigned by: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
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Record number: 41885
This LPSN page was printed on 2025-12-04 21:30:02