The Canadian entomologist.

v. 31 (1899)

The Canadian entomologist.

v. 48 (1916)

The Canadian entomologist.

v. 23 (1891)

The Canadian entomologist.

v. 24 (1892)

The Canadian entomologist.

v. 34 (1902)

The planktonic freshwater species of Microcystis, by Francis Drouet ... and William A. Daily.

v.20:no.3(1939)

Flora of West Virginia, by Charles Frederick Millspaugh and Lawrence William Nuttall.

v.1:no.2(1896)

Flora Costaricensis / William Burger, editor.

v.40(1977)

Notes on the flora of Costa Rica, I / [by] William C. Burger.

v.31:no.11(1968)

Flora Costaricensis / William Burger, editor.

n.s. no.36(1995)

Flora Costaricensis / William Burger, editor.

n.s. no.33(1993)

Flora Costaricensis / William Burger, editor.

n.s. no.23(1990)

Flora Costaricensis. William Burger, editor. Family #40, Casuarinaceae, Family #41, PIperaceae [by] William Burger.

v.35(1971)