Hermsen, EJ; Gandolfo, MA; Nixon, KC; Crepet, WL (2003). Divisestylus gen. nov. (aff. Iteaceae), a fossil saxifrage from the Late Cretaceous of New Jersey, USA. American Journal of Botany. 90 (9): 1373—1388. doi:10.3732/ajb.90.9.1373. PMID21659237.
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pubmed.ncbi.nlm.nih.gov
Hermsen, EJ; Gandolfo, MA; Nixon, KC; Crepet, WL (2003). Divisestylus gen. nov. (aff. Iteaceae), a fossil saxifrage from the Late Cretaceous of New Jersey, USA. American Journal of Botany. 90 (9): 1373—1388. doi:10.3732/ajb.90.9.1373. PMID21659237.