Glaucous (from the Latin glaucus, meaning "bluish-grey or green", from the Greek glaukós) is used to describe the pale grey or bluish-green appearance of the surfaces of some plants, as well as in the names of birds, such as the Glaucous Gull (Larus hyperboreus), Glaucous-winged Gull (Larus glaucescens), Glaucous Macaw (Anodorhynchus glaucus), and Glaucous Tanager (Thraupis glaucocolpa).
Abarema glauca, the glaucous abarema, a tree species found only in Cuba
Some populations closer to the Bonny Doon region are highly glaucous (the leaves produce a white, powdery substance on the surface) whereas others are not.
Predators on gooseneck barnacles include the glaucous-winged gull (Larus glaucescens), the black oystercatcher (Haematopus bachmani), the ochre sea star (Pisaster ochraceus) and the six-rayed star, Leptasterias hexactis.
Sheep’s bit (Jasione montana) is a southern species that can be seen on the Vaarunjyrkkä cliff, along with plants native to the fell area: glaucous bluegrass (Poa glauca) and alpine saxifrage (Micranthes nivalis).