Ophioglossum vulgatum

Common name

Adder's tongue

Ophioglossum vulgatum Adder

Adder

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Natural History Museum

Latin names

Class	Psilotopsida
Order	Ophioglossales
Family	Ophioglossaceae
Genus	Ophioglossum
Species	vulgatum

Geographic details

Habitat	Wide range
Soil type	alkaline
Distribution	Throughout British Isles
Native	Yes

General

Plant height	small
Branched	No
Plant colour	mid-green
Habit	colonial, lvs erect
Conservation status	not threatened

Leaf details

Separate fertile leaves	Yes
Fertile leaf shape	Spike
Sterile leaf shape	ovate to ovate-lanceolate
Pinnae	no pinnae
Wintergreen	No

Spore details

homospore

Yes

Rhizome details

Rhizome description	colonial creeping stolons
Rhizome position	upright

Indusium details

indusium present

No