Asplenium adiantum-nigrum

Common name

Black spleenwort

Asplenium adiantum-nigrum Black spleenwort

Black spleenwort

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Natural History Museum

Latin names

Class	Pteridopsida
Order	Polypodiales
Family	Aspleniaceae
Genus	Asplenium
Species	adiantum-nigrum
Alternative Genus name	Asplenium

Geographic details

Habitat	rocks and walls
Soil type	alkaline
Distribution	Throughout British Isles
Native	Yes

General

Plant height	small
Branched	No
Plant colour	mid-green
Stipe description	glabrous; black -> red-brown
Habit	loose tuft
Conservation status	not threatened

Leaf details

Separate fertile leaves	No
Leaf shape	ovate-triangular
Pinnae	2-3-pinnate
Wintergreen	Yes

Spore details

homospore

Yes

Rhizome details

Rhizome description	short
Rhizome scales	triangular-lanceolate
Rhizome position	creeping

Sori details

Sori shape	linear-oblong
Sori placement	on lateral veins closer to midrib

Indusium details

indusium present	Yes
indus_shape	linear-oblong
indusium description	entire