Pterocaulon pycnostachyum

Taxonavigation

Taxonavigation: Asterales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Cladus: Campanulids Ordo: Asterales

Pterocaulon pycnostachyum Elliott, 1823

Heterotypic
- Chlaenobolus pycnostachyus Cass. in G.-F.Cuvier, Dict. Sci. Nat., ed. 2. 49: 338 (1827)
- Chlaenobolus undulatus Small in Fl. S.E. U.S.: 1236, 1340 (1903)
- Conyza pycnostachya Michx. in Fl. Bor.-Amer. 2: 126 (1803)
- Gnaphalium undulatum Walter in Fl. Carol.: 203 (1788)
- Pluchea pycnostachya Less. in Syn. Gen. Compos.: 207 (1832)
- Pterocaulon undulatum C.Mohr in Contr. U.S. Natl. Herb. 6: 790 (1901)

Native distribution areas:
Continental: Northern America 'Regional: Southeastern USA Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

International Plant Names Index. 2023. Pterocaulon pycnostachyum. Published online. Accessed: June 13 2023.
Govaerts, R. et al. 2023. Pterocaulon pycnostachyum in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2023 June 13. Reference page.
Tropicos.org 2023. Pterocaulon pycnostachyum. Missouri Botanical Garden. Published online. Accessed: 13 June 2023.
Hassler, M. 2023. Pterocaulon pycnostachyum. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2023. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2023 June 13. Reference page.

English: dense-spike blackroot