W. A. Wojtas

Pollen grains of Canadian honey plants.

C. W. CROMPTON, W. A. Wojtas · 1993 · 46 citations

Entomology, Plant Reproduction, Pollen Grains +1

Chromosome numbers of some North American species of <i>Artemisia</i> (Asteraceae)

A. E. Stahevitch, W. A. Wojtas · Canadian Journal of Botany · 1988 · 24 citations

Botany, Genetics, Genetic Diversity +17

Morphometric studies of the <i>Euphorbia esula</i> group (Euphorbiaceae) in North America

C. W. CROMPTON, A. E. Stahevitch, W. A. Wojtas · Canadian Journal of Botany · 1990 · 22 citations

Biology, Leafy Spurge, Biodiversity +15

The waterweeds (<i>Elodea</i> and <i>Egeria</i>, Hydrocharitaceae) in Canada

Paul M. Catling, W. A. Wojtas · Canadian Journal of Botany · 1986 · 13 citations

Biology, Biodiversity, Plant Diversity +11

Cytogenetic studies of leafy spurge, <i>Euphorbia esula</i>, and its allies (Euphorbiaceae)

A. E. Stahevitch, C. W. CROMPTON, W. A. Wojtas · Canadian Journal of Botany · 1988 · 11 citations

Botany, Genetics, Reproductive Genetics +18