Scyphose

Primary squamules and podetia glaucescent or greenish grey; never yellowish and rarely scyphose

Source: wiktionary

Primary squamules small to large; podetia either scyphose or not subclavate;

Source: wiktionary

Podetia 4-5 cm tall x 2 mm broad, with black bases, not scyphose.

Source: wiktionary

[…]1-4 cm tall, not scyphose, simple at base, branching above, each branch longitudinally grooved and becoming split, with open axils, rarely with scattered squamules along the poderia, esorediate, greyish white.

Source: wiktionary