''Brainea'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of
fern
A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes except ...
s in the family
Blechnaceae
Blechnaceae is a family of ferns in the order Polypodiales, with a cosmopolitan distribution. Its status as a family and the number of genera included have both varied considerably. In the Pteridophyte Phylogeny Group classification of 2016 ...
, subfamily Blechnoideae, with a single species ''Brainea insignis'', according to the
Pteridophyte Phylogeny Group
The Pteridophyte Phylogeny Group, or PPG, is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes (lycophytes and ferns) that reflects knowledge about plant relatio ...
classification of 2016 (PPG I).
[ The genus is accepted in a 2016 classification of the family Blechnaceae,][ but other sources sink it into a very broadly defined ''Blechnum'', equivalent to the whole of the PPG I subfamily.][
]
References
Blechnaceae
Monotypic fern genera
{{Polypodiales-stub