The capercaillie also uses other microhabitat types such as broom, meadow and heath selectively throughout the year (Quevedo et al. 2006b, p. 271).
Busk was humorously referring to Genista as the Latin name of the Broom, a Mediterranean shrub, as a play of words with Brome.
The cave attracted scientific interest including George Busk from London who referring to the cave as "Genista" as a link to its discover as "Genisteae" is the Latin name of the shrub "Broom".
He was named after his great-grandfather Geoffrey II, Count of Gâtinais Geoffrey received his nickname from the yellow sprig of broom blossom (genêt is the French name for the planta genista, or broom shrub) he wore in his hat.
The larvae are well known for the self-generated foam nests, that can be observed in Spring in meadows (especially on Cuckoo Flowers, Cardamine pratensis and broom, Genista species).