On a decaying tree stump in a Scot's Pine forest, Abernethy Forest, Moray.
Somewhat dessicated patches of Umbilicaria polyphylla on a stone on a wall at Drumelzier, Scottish Borders.
Note how the branch tips stick out in all directions. Monduie area of Abernethy Forest, Nethy Bridge, Moray.
A close look at this grey lichen with its contrasting crimson apothecia. On a stone making up a dry stane dyke at Drumelzier, Scottish Borders.
Emerging from amongst Polytrichum commune on a rotting tree stump in Little Drum Wood by Loch Venachar, Stirlingshire.
On a fragment of Birch tree bark on the woodland floor at Little Drum Wood by Loch Venachar, Stirlingshire.
Forming a neat disc-shaped colony on an igneous rock on the shore east of North Berwick, East Lothian.
Growing on an area of gravel at the edge of Toxside Moss, Midlothian.
On the surface of a rock at the base of low cliffs in Machar Glen, near Killearn, Stirlingshire.
On igneous rocks at the top of the shore, east of South Queensferry, Edinburgh.
The repeated scalloped-shaped parts of the thallus say "fractal geometry" to me. Growing on a large boulder in Yair Forest, near Selkirk, Scottish Borders.
Growing on the bark of a standing tree in Nant Glen, a wonderful fragment of old Oak and Birch woodland in Argyll.
The soredia are concentrated along zones where the lichen thallus margins abut. Growing on a sea stack at Pettico Wick, St Abb's Head, Scottish Borders.
On exposed rock in moorland east of Arnisdale and above Loch Hourn in the Scottish Highlands.
On a steep rock face in Birch woodland near Kilmahog, Stirlingshire.
Growing amongst moss on a boulder on the steep slopes below Meall Tarsuinn, Sma' Glen, Perthshire.
Growing amongst heather (Calluna vulgaris) in a Birch woodland near Whiteadder Reservoir in the Scottish Borders.
The fruticose lichen is an Usnea growing on Birch near Whiteadder Reservoir in the Scottish Borders.