Verbatim text: Rahn, K. 1974. Plantago section Virginica: A taxonomic revision of a group of American plantains using experimental, taximetric and classical methods. Dansk Bot. Ark. 30: 1–180.
Author: Rahn, K.
Year: 1974
Title: Plantago section Virginica: A taxonomic revision of a group of American plantains using experimental, taximetric and classical methods
Journal: Dansk Bot. Ark
Volume: 30
Pages: 1–180