The genus Ptyssiglottis (Acanthaceae)
Subtitle: a taxonomic monograph
By: Bertel Hansen.
Series: Opera botanica -- 116
Publisher: Council for Nordic Publications in Botany
Published: 1992
Place of publication: Copenhagen
Language: eng
Number of pages: 58
Subjects: Acanthaceae -- Classification.
Notes: Includes bibliographical references (p. 55-56) and index.