P. D. Sell

Flora of Great Britain, Ireland, Isle of Man, and the Channel Islands

1900 P. D. Sell, Peter Sell, and Gina Murrell

A revision of the North American ...

A revision of the North American species of Euphrasia L. (Scrophulariaceae)

Year unknown P. D. Sell, Peter F. Yeo, and Peter Yeo

Critical supplement to the Atlas ...

Critical supplement to the Atlas of the British flora

Year unknown P. D. Sell and Franklyn Perring

Flora of Great Britain and Ireland

Year unknown

Flora of Great Britain and Ireland

Year unknown

Nebenwirkungen einiger Pestizide ...

Nebenwirkungen einiger Pestizide auf Aphidoletes Aphidimyza (rond.) (Diptera : Cecidomyiidae) unter besonderer Berucksichtigung von Frassleistung und Fruchtbarkeit

Year unknown

Notes on the European species of ...

Notes on the European species of Scleranthus

Year unknown

Some British chromosome counts in...

Some British chromosome counts in the Compositae subfamily Cichorioideae

Year unknown Jennifer M. Edmonds, P. D. Sell, and S. M. Walters

Some North American Eyebrights (E...

Some North American Eyebrights (Euphrasia)

Year unknown P. D. Sell, Peter F. Yeo, and Peter Yeo

Taxonomic and nomenclatural notes...

Taxonomic and nomenclatural notes on European Fumaria species

Year unknown