Dryopteris expansa

Common name

Northern Buckler Fern

Dryopteris expansa

© Natural History Museum

Latin names

Class

Pteridopsida

Order

Polypodiales

Family

Aspidiaceae

Genus

Dryopteris

Species

expansa

Alternative Family name

Dryopteridaceae

Alternative Species name

assimilis

Geographic details

Habitat

damp upland woods and scree

Soil type

tolerant

Distribution

scattered in uplands

Native

Yes

General

Plant height

large

Branched

No

Plant colour

mid-green

Stipe description

scaly

Habit

lvs shuttlecock

Conservation status

Rare

Leaf details

Separate fertile leaves

No

Leaf shape

ovate-triangular

Pinnae

2-pinnate-pinnatifid

Wintergreen

No

Spore details

Homospore

Yes

Rhizome details

Rhizome description

short

Rhizome scales

ovate-deltate, acuminate apex

Rhizome position

erect

Sori details

Sori shape

kidney

Sori place

singly along lateral veins

Indusium details

Indusium present

Yes

Indusium shape

kidney

Indusium description

dentate