[2] This species has small, orange, foliose (leafy), loosely adnate thalli that form either compact colonies or spread extensively.

The type specimen was collected by Stephen and Sylvia Sharnoff in a sagebrush area south of Boise, Idaho, where it was found growing on Artemesia.

This species has thicker and more robust thalli compared to Gallowayella fulva, with lobes that vary more in width and do not branch dichotomously.

[3] Gallowayella galericulata thrives on both wood and bark, frequently encountered on dry twigs of Artemisia spp., Pseudoacacia spp., Populus angustifolia, Quercus douglasii, and Sarcobatus species.

Research in a controlled garden environment (the Ogden Nature Center) suggests that the genotype of Populus angustifolia plays a crucial role in the lichen's distribution, with specific factors like bark texture, levels of condensed tannins, and overall tree size being significant.