Verbatim text: Calder, J. A. and D. B. O. Savile. 1959b. Studies in Saxifragaceae—II. Saxifraga sect. Trachyphyllum in North America. Brittonia 11: 228–249.
Author: Calder, J.A., Savile, D.B.O.
Year: 1959b
Title: Studies in Saxifragaceae—II. Saxifraga sect. Trachyphyllum in North America
Journal: Brittonia
Volume: 11
Pages: 228–249