Referring to those grasses with native and introduced populations within species in B.C.
composed of different parts or kinds
(1) (of a partnership) composed of one player of each sex;(2) (of a tournament) one in which every competing pair is mixed;(3) (of a call, usually a raise) having both preemptive and constructive aspects;(4) having varying (especially conflicting) properties or objectives.
(Tea - Liquors) Leaf particles of varying colour
(stock origin) -- a stock composed of commingled native and non-native parents and/or by mating between native and non-native fish or a previously native stock that has undergone substantial genetic alteration.