''Petalonema'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
cyanobacteria
Cyanobacteria (), also known as Cyanophyta, are a phylum of gram-negative bacteria that obtain energy via photosynthesis. The name ''cyanobacteria'' refers to their color (), which similarly forms the basis of cyanobacteria's common name, blu ...
. These species occur in freshwater habitats, on rocks, in soil, and as
epiphyte
An epiphyte is an organism that grows on the surface of a plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it. The plants on which epiphytes grow are called phoroph ...
s.
[''Petalonema''.]
CyanoDB.cz. A Database of Cyanobacterial Genera.
Species include:
[Guiry, W. In: Guiry, M. D. & G. M. Guiry. 2013]
''Petalonema''.
AlgaeBase. National University of Ireland, Galway.[Uher, B. (2010)]
Cyanobacterium ''Petalonema alatum'' Berk. ex Kirchn. – Species variability and diversity.
''Fottea'' 10(1) 83-92.
*'' Petalonema alatum''
*'' Petalonema crassum''
*'' Petalonema crustaceum''
*'' Petalonema densum''
*'' Petalonema fluminalis''
*'' Petalonema incrustans''
*'' Petalonema involvens''
*'' Petalonema pulchrum''
*'' Petalonema velutinum''
References
Nostocales
Cyanobacteria genera
{{cyanobacteria-stub