Diplolepis arefacta (Gill.).
Rosa sp.
Dense corky enlargements of small shoots, the shoot usually dead beyond gall. Irregular, 12–22 mm. in dia. and many-celled. Surface rusty, finely wrinkled, free from spines. From Ft. Collins, Colorado.
- LH Weld: (1960) Cynipid galls of the southwest©
Reference: https://babel.hathitrust.org/cgi/pt?id=coo.31924018354765&view=1up&seq=30