The effect of experimental defoliation on the growth and reproduction of a woodland orchid - Tipularia discolor (Orchidaceae)
(1990).
The effect of experimental defoliation on the growth and reproduction of a woodland orchid - Tipularia discolor (Orchidaceae)
.
Canadian Journal of Botany,
68
, 1812-1816.
http://dx.doi.org/10.1139/b90-234