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: Euasterids II Ordo: Asterales

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

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 (2019). In: Roskov 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 on the internet. Accessed: 2018 Mar. 31.

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 on the internet. Accessed: 2018 Mar. 31.

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

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