Previously known as Preissia quadrata, or Narrow Mushroom-headed Liverwort. This image shows immature female receptacles, each of which can have up to 8 sporophytes which develop inside a protective involucre. This specimen was growing in crevices in a wall at Visegrád Castle near Budapest in Hungary.
You can see more images in our Species Finder page at https://www.britishbryologicalsociety.org.uk/learning/species-finder/marchantia-quadrata/.
Published: 1 June 2024
