Xanthium orientale subsp. californicum

Taxonavigation

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

Xanthium orientale subsp. californicum (Greene) Greuter, Willdenowia 33(2): 249. 2003.

Basionym
- Xanthium californicum Greene, Pittonia 4(21): 62. 7 Jul 1899.
Heterotypic
- Xanthium californicum var. rotundifolium Widder, Repert. Spec. Nov. Regni Veg. Beih. 20: 113. 1923.

Native distribution areas:

Continental: Northern America
- Regional: Northwestern U.S.A.
  - Idaho, Montana, Oregon, Washington.
- Regional: Southwestern U.S.A.
  - Arizona, California, Nevada.
Continental: Pacific
- Regional: North-Central Pacific
  - Hawaii (Hawaiian Islands (Oahu), doubtfully native)

Source(s) of checklist:
Widder 1923: 111–113

Greuter, W. 2003. The Euro+Med treatment of Senecioneae and the minor Compositae tribes – generic concepts and required new names, with an addendum to Cardueae. Willdenowia 33(2): 245–250. DOI: 10.3372/wi.33.33203 Reference page.

Widder, F.J. 1923. Die Arten der Gattung Xanthium. Beiträge zu einer Monographie. Repert. Spec. Nov. Regni Veg. Beih. 20: 1–222 + 4 plates and 4 maps. Reference page.

Hassler, M. 2018. Xanthium orientale subsp. californicum. 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. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Mar. 31. Reference page.

International Plant Names Index. 2018. Xanthium orientale subsp. californicum. Published online. Accessed: Mar. 31 2018.

The Plant List 2013. Xanthium orientale subsp. californicum in The Plant List Version 1.1. Published online. Accessed: 2018 Mar. 31.

Tropicos.org 2018. Xanthium orientale subsp. californicum. Missouri Botanical Garden. Published online. Accessed: 31 Mar. 2018.

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