crescent-cup liverwort
Lunularia cruciata (L.) Dumort. ex Lindb.

Lunularia cruciata, the crescent-cup liverwort, is the sole species in the genus Lunularia. It belongs to the family Lunulariaceae and is found in regions such as Québec, the Azores, and parts of Europe. The species was first described in 1868. The genus is either classified as the only one in the order Lunulariales or grouped within the order Marchantiales. The name derives from the Latin 'luna,' meaning moon, referring to the shape of the gemma cups.
Description
Lunularia cruciata is a liverwort species with a distribution that includes areas such as Corvo Island, Faial Island, and other islands in the Azores, as well as parts of Europe like Belgium, France, and Great Britain. The genus Lunularia contains only this species. The crescent-cup liverwort is characterized by its moon-shaped gemma cups, which inspired its scientific name. It is classified in the family Lunulariaceae and is either the sole genus in the order Lunulariales or placed within the order Marchantiales. The species was published in 1868 under the authorship of (L.) Dumort. ex Lindb.
Other common names
crescent-cup liverwort
Distribution
Québec · Corvo Island · Faial Island · Flores Island · Graciosa Island · Pico Island · Santa Maria Island · São Jorge Island · São Miguel Island · Terceira Island · Desertas · Madeira Island · Porto Santo island · TW · Belgium · France · The Netherlands · Great Britain · NO · DK · AT · Flanders · Russian Far East · Austria · Latvia · Czech Republic · Slovakia · Denmark · Finland · Germany
Synonyms
Marchantia cruciataSedgwickia hemisphericaDichominum cruciatumDichominum vulgareLunularia cruciata f. cruciataLunularia dilleniiLunularia micheliiLunularia vulgarisMarsilia cruciataStaurophora pulchellaCyathophora cucullataMarchantia laevisPreissia cucullataLunularia vulgaris f. gemmipara