U3A Temperate ultramafic inland cliff
Warmer south-facing cliffs of ultramafic rocks from the lowlands to the alpine belt of the temperate zone. They have an open cover of a distinctive crevice-rooting flora, mostly annuals, grasses and certain ferns, specialised for the mineral content of the shallow soils, and supports some endemics.
Chytrý M., Tichý L., Hennekens S.M., Knollová I., Janssen J.A.M., Rodwell J.S. … Schaminée J.H.J. (2020) EUNIS Habitat Classification: expert system, characteristic species combinations and distribution maps of European habitats. Applied Vegetation Science 23: 648–675. https://doi.org/10.1111/avsc.12519
Version 2021-06-01, https://doi.org/10.5281/zenodo.4812736.
For the official presentation of the EUNIS Habitat Classification from the European Environment Agency, please see: EUNIS Terrestrial Habitat Classification 2021. The FloraVeg.EU presentation may show modifications and partial updates to the habitat classification.