Plants : OphioglossaceaeFerns and Flowering Plants

Botrychium lunaria (L.) Sw.

Moonwort

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Botrychium lunaria

Description: This is a curious-looking little fern with a leaf divided into fan-shaped leaflets and a spike of sporangia arising from its base. The size of the plant varies from about 4 - 20 cm in height.

It grows in dry ground in pastures, sand-dunes, on rocky slopes and in heathland. It has a reputation for being inconstant in its appearances from one year to the next.

All names: Botrychium lunaria (L.) Sw.

Distribution Map from NBN: Botrychium lunaria at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Botrychium lunaria at iNaturalist World Species Observations database.

 Hackney, P., 2026. Botrychium lunaria. (L.) Sw.. [In] Flora of Northern Ireland.
https://habitas.org/flora/species.php?item=2091. Accessed on 2026-11-02.