References

For Plantago

Bassett, I.J. 1966. Taxonomy of North American Plantago L., section Micropsyllium Decne. Can J. Bot. 44: 467-479. Google Scholar

Bassett, I.J. 1967. Taxonomy of Plantago L. in North America: sections Holopsyllium Pilger, Palaeopsyllium Pilger, and Lamprosantha Decne. Can. J. Bot. 45: 565-577. Google Scholar

Hassemer, G., S. Bruun-Lunda, A.B. Shipunov, B.G. Briggs, H.M. Meudt, and N. Rønsted. 2019. The application of high-throughput sequencing for taxonomy: The case of Plantago subg. Plantago (Plantaginaceae). Molec. Phylogen. Evol. 138: 156-173. Google Scholar

Rosatti, T.J. 1984. The Plantaginaceae in the southeastern United States. J. Arnold Arb. 65: 533-562. Google Scholar

Schwarzbach. 2004. In Kadereit, J.W. 2004. The families and genera of vascular plants. VII. Flowering plants – Dicotyledons – Lamiales (except Acanthaceae including Avicenniaceae). Springer, Berlin. 478 pp. Google Scholar

Shipunov, A. 2019b. Plantago. In Flora of North America Editorial Committee. 2019. Flora of North America north of Mexico. Volume 17, Magnoliophyta: Tetrachondraceae to Orobanchaceae. Oxford Univ. Press, New York, NY. 737 pp. Google Scholar