Verbatim text: Warwick, S.I., B.K. Thompson, and L.D. Black. 1987. Genetic variation in Canadian and European populations of the colonizing weed species Apera spica-venti. New Phytol. 106:301-317.
Author: Warwick, S.I., Thompson, B.K., Black, L.D.
Year: 1987
Title: Genetic variation in Canadian and European populations of the colonizing weed species Apera spica-venti
Journal: New Phytol
Volume: 106
Pages: 301–317