Author:
Crane,P.R.;Stockey,R.A.
Year:
1985
Title:
An extinct species of Betula from the Middle Eocene of British Columbia.
Reference:
Crane,P.R. et al. (1985) An extinct species of Betula from the Middle Eocene of British Columbia. American Journal of Botany Vol. 72 # 6 P. 890- 890
Google Academy:
try to search by title in english
Genus Species Country(Region) From To
Alnus Alnus Canada(British Columbia) Middle Eocene
Betula Betula Canada(British Columbia) Middle Eocene
Triporate Triporate Canada(British Columbia) Middle Eocene