Clarence Frankton

A New Weed, Erysimum Hieraciifoli...

A New Weed, Erysimum Hieraciifolium L. in Canada

Year unknown

Cytotaxonomic studies in the trib...

Cytotaxonomic studies in the tribe Cynareae (Compositae)

Year unknown R. J. Moore and Clarence Frankton

Cytotaxonomy and Canadian distrib...

Cytotaxonomy and Canadian distribution of Cirsium edula and Cirsium brevistylum

Year unknown R. J. Moore and Clarence Frankton

Cytotaxonomy of three species of ...

Cytotaxonomy of three species of Centaurea Adventive in Canada

Year unknown R. J. Moore and Clarence Frankton

Hoary Cresses in Canada with part...

Hoary Cresses in Canada with particular reference to their distribution to Control in Alberta

Year unknown W. G. Corns and Clarence Frankton

Les mauvaises herbes du Canada

Les mauvaises herbes du Canada

Year unknown

Les mauvaises herbes du Canada

Les mauvaises herbes du Canada

Year unknown

Les plantes nuisibles du Canada

Year unknown

The Plumeless Thistles (Carduus S...

The Plumeless Thistles (Carduus SPP.) in Canada

Year unknown G. A. Mulligan and Clarence Frankton

Weeds of Canada

Year unknown

Weeds of Canada

Weeds of Canada

Year unknown

Weeds of Canada

Weeds of Canada

Year unknown