Angiospermae - Saxifragales - Grossulariaceae
Parent taxon: Saxifragales according to The Angiosperm Phylogeny Group 2016
See also Knowlton 1919 and Mabberley 2000
Sister taxa: Altingiaceae, Ambaroxylon, Aphanopetalaceae, Cercidiphyllaceae, Crassulaceae, Cynomoriaceae, Daphniphyllaceae, Escalloniiphyllum, Haloragaceae, Haloragis, Hamamelidaceae, Iteaceae, Paeoniaceae, Penthoraceae, Peridiscaceae, Saxifragaceae, Tetracarpaeaceae
Subtaxa: Grossularia Ribes
Ecology: "photoautotroph"
Distribution:
• Quaternary of India (1 collection), United States (1: Washington)
• Pliocene of China (1), Germany (2), United States (2: Nevada)
• Miocene of China (2), United States (4: Nebraska, Nevada)
• Oligocene of Argentina (1), United States (2: Oregon)
• Eocene of Canada (2: British Columbia), United States (2: Colorado, Idaho)
• Triassic of Iran (1)
Total: 21 collections including 24 occurrences