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Perhaps, when I began these Fern Friday blogs, I should have started with the fern with the most basic shape, the one with the long simple leaf shaped, apparently, like the tongue of a deer (commonly called a hart in former days), the Hart’s-tongue fern (Asplenium scolopendrium). As it grows everywhere in Britain except in the colder far northern regions, and can be found draping stone walls, in woodland, under hedgerows, in roadside ditches, I’m sure this fern will be familiar to most of you.

230127 hart's-tongue fern

Hart’s-tongue has featured on this blog before, in particular because its glossy leaves provide a home to several species of leafminers, including these two Leafmines: Psychoides filicivora 3 January 2022 and Leafmines: Chromatomyia scolopendri 1 March 2021.