]> [author note: Herbarium and types: MTJB; additional material at NY, NYS, U] Education: BA (1932; University of Montreal); D.Sc. (1939; Geneva, Switzerland) Botany Dansereau, Pierre Mackay Dansereau, Pierre Mackay P. M. Dansereau Dans. Dansereau Pierre Mackay Dansereau Dansereau, Pierre 1911 2011