A Grammatical Dictionary of Botanical Latin

Betula,-ae (s.f.I), abl. sg. betula: the birch-tree [> L. betula,-ae (s.f.I), also betulla,-ae (s.f.I), the birch (Lewis & Short); see carpinus,-i (s.f.I);

- ad truncos decorticatos et cortices Coniferarum in sylvis majoribus totius fere Europae, rarius ad quercus et betulas (Nyl.), on the decorticated trunks and bark of Conifers in the larger forests of nearly the all Europe, more rarely on oaks and betulas (birches).

- in foliis Betulae, Fagi, Platani etc. etiam Quercus, copiose passim obviam (S&A), everywhere encountered copiously on the leaves of Betula, Fagus, Platanus, etc., even of Quercus.

- [lichen] in terris Scandinavicis rupestribus granitosis frequens. Quoque ad betulas (tune saepe minus) (Nyl.), frequent in Scandinavian countries, on granite rocks. Also on Betulas [i.e. birch-trees] (then often smaller).

- [lichen] Raro hanc speciem in Gallia ad betulas vetustas inveni (Nyl.), I have rarely encountered this species in France on old birch-trees.

- [moss] ad arborum praesertim Pinuum [sic] et Betularum truncos per totam Europam satis vulgare, rarissime tamen fructiferum (C. Mueller), on the trunks of trees, especially of Pine and Betula quite common throughout the whole of Europe, however, very rarely fruit-bearing.

- sylvarum est incola, imos truncos, Carpini Betuli praeprimis, totos quantos septentrionem versus densa lataque grege contegens (Hedwig), a denizen of forests, covering over as much as the whole bottom-most trunks, toward the north, primarily of Carpinus Betulus [i.e. the European Hornbeam] with a dense and broad swarm [i.e. colony].

NOTE: the fungus epithets in ‘betuli’ perhaps refer originally to the habitat as on Carpinus betulus L., the European Hornbeam: Peziza betuli (Albertini & Schweiniz) = Ocellaria betuli, Stictis betuli; cf. Sphaeria betuli Pers. =Sphaeria carpini Fr.

- [Sphaeria betuli; fungus] utraque var. in ligno arido carpineo vulgaris (S&A), both varieties common on the dry wood of carpinus.