Peter Hadlund Davis

Principles of angiosperm taxonomy...

Principles of angiosperm taxonomy [by] P.H. Davis [and] V.H. Heywood

1967

The identification of flowering p...

The identification of flowering plant families, including a key to those native and cultivated in north temperate regions [by] P.H. Davis [and] J. Cullen

1965

Principles of angiosperm taxonomy

Principles of angiosperm taxonomy

1963

Principles of angiosperm taxonomy...

Principles of angiosperm taxonomy [by] P.H. Davis [and] V.H. Heywood

1963

Plant Life of South-West Asia

Plant Life of South-West Asia

Year unknown Peter Hadlund Davis, Peter C. Harper, and Ian C. Hedge

Principles of angiosperm taxonomy

Principles of angiosperm taxonomy

Year unknown

Principles of Angiosperm Taxonomy

Year unknown Peter Hadlund Davis and V. H. Heywood

The identification of flowering p...

The identification of flowering plant families, including a key to those native and cultivated in north temperate regions

Year unknown