Blechnaceae
| Blechnoideae | |
|---|---|
 |
|
| Blechnum spicant | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Polypodiophyta |
| Subclass: | Polypodiidae |
| Order: | Polypodiales |
| Family: | Aspleniaceae |
| Subfamily: |
Blechnoideae Hook |
| Type genus | |
|
Blechnum |
|
| Genera | |
|
See text |
|
See text
Blechnoideae is a subfamily of between 240-260 species of ferns, with a cosmopolitan distribution.
Most are ground dwelling, some are climbers, such as Stenochlaena. A characteristic feature of many species is that the young opening fronds are usually tinged with red.
Previously treated as a separate family, Blechnaceae Newman, in 2014 Christenhusz and Chase submerged it as subfamily Blechnoideae within family Aspleniaceae.
Originally considered as a member of the Eupolypods II clade, in the order Polypodiales, in the class Polypodiopsida. the Blechnaceae was related to other families in the clade as in this cladogram:
Blechnoideae is placed within the Aspleniaceae as follows:
Cystopteridoideae (Acystopteris, Cystoathyrium, Cystopteris, Gymnocarpium)
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