The Life-Forms of the Flora of Mount Yamaska, Rouville County, Quebec

The life-forms of the flowering plants and vascular cryptogams of the flora of Mount Yamaska, Quebec, are listed according to the system developed by C. Raunkiaer. Four life-form spectra have been established. Spectra including vascular cryptogams do not vary significantly from those without vascular cryptogams; spectra including both naturalized and native species vary somewhat from those including native species only. The life-form spectrum of native and naturalized phanerogams is compared with similar spectra from other localities in eastern North America.