Cystopteris montana

Common name

Mountain Bladder Fern

Cystopteris montana Mountain Bladder Fern

Mountain Bladder Fern

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Natural History Museum

Latin names

Class	Pteridopsida
Order	Polypodiales
Family	Athyriaceae
Genus	Cystopteris
Species	montana
Alternative Family name	Cystopteridaceae

Geographic details

Habitat	wet alpine N-facing
Soil type	alkaline
Distribution	W Scotland
Native	Yes

General

Plant height	medium
Branched	No
Habit	lvs single
Conservation status	vulnerable

Leaf details

Separate fertile leaves	No
Leaf shape	ovate-triangular
Pinnae	2-4-pinnate-pinnatisect
Wintergreen	No

Spore details

Spore description	rounded protuberances
homospore	Yes

Rhizome details

Rhizome description	slender branching
Rhizome scales	fringed with glands
Rhizome position	creeping

Sori details

Sori shape	ovoid
Sori placement	on lateral veins closer to midrib

Indusium details

indusium present	Yes
indus_shape	ovoid
indusium description	acute or lacerate at apex