An encyclopaedia to the plant species present in Britain and Ireland, arranged by family, genus and species, alongside sub-species and hybrids.
Search or explore and view descriptions, maps, status, biogeography, trends and links to external information.
This is one of the largest plant families. In Britain and Ireland the Asteraceae become more prominent as the summer progresses and many continue to flower well into the autumn.
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This is a large but very distinctive family. The great majority of species are annual or perennial herbs. The old name ‘Cruciferae’ refers to the cross shape of the petals and members of the family are still commonly known as crucifers.
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A large family with more than 2,000 species in about 90 genera distributed throughout the world and a large number of them in our own flora.
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The third largest plant family (after the Orchidaceae and Asteraceae), it includes trees and shrubs as well as herbs, and water plants as well as species that are adapted to dry conditions. Many of our species are climbers, using either tendrils (peas and vetches) or twining stems.
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An extraordinary family; very large, with more than 25,000 species worldwide. In Britain and Ireland, they have long been prized as specimens, well studied and recorded.
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A large family encompassing many herbaceous perennials, alongside aquatics, annuals and some woody climbers.
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