British knapweeds
Subtitle: a study in synthetic taxonomy
By: by E. M. Marsden-Jones and W. B. Turrill.
Contributors: Turrill, William Bertram, 1890-1961, joint author.
Publisher: Printed for the Ray Society; sold by B. Quaritch
Published: 1954
Place of publication: London
Language: eng
Number of pages: 201
Subjects: Centaurea.; Plants -- Variation.