Excerpt:
The Yale Peabody Museum's paleobotanical collection is world wide in scope with about 75% of the collection derived from North America and the other 25% from South America, China, West Indies, Israel, Lebanon, Pakistan, Central America, Australia, Antarctica, Europe and the Arctic. The approximate geological distribution of the collection is 30% Mesozoic, 32% Cenozoic, 33% Paleozoic and 5% Proterozoic. The taxonomic distribution is estimated as follows: 1% Cyanobacteria, 5% "Algae", 2% Bryophyta, 5% Lower Vascular Plants, 10% Progymnosperms, 10% Gymnosperms, and 67% Angiosperms.