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Xanthium L.

Sappiruohot Cocklebur Clotbur
Xanthium, Biota of North America Program (query database) [BONAP]
Xanthium (Asteraceae) ; [GNSP]

Foodplants for Ostrinia obumbratalis

1400x933 (~288Kb) USA: Stop at Colorado River on rd. 128 (38°40'56"N, 109°28'42"W), Grand Co., Utah, 15.8.2005, Photo © Markku Savela

1000x1441 (~218Kb) USA: Stop at Colorado River on rd. 128 (38°40'56"N, 109°28'42"W), Grand Co., Utah, 15.8.2005, Photo © Markku Savela

1200x788 (~143Kb) USA: Stop at Colorado River on rd. 128 (38°40'56"N, 109°28'42"W), Grand Co., Utah, 15.8.2005, Photo © Markku Savela

The exact identification of these species is still unknown, but tentatively assumed to belong into this group.

Xanthium strumarium L.

Common Cocklebur
Xanthium strumarium, Aquatic and Wetland Vascular Plants of the Northern Great Plains [USGS]
Xanthium strumarium ; [FPN, 557]

X. s. italicum (Moretti) D. Löve

Karheasappiruoho Piikitön sappiruoho Gullfrö
Xanthium italicum Moretti
Xanthium strumarium italicum ; [RK, 421]
Xanthium strumarium ; [SK, 582]

X. s. var. canadense (Mill.) T. & G.

Xanthium strumarium var. canadense ; [FPN, 557]

X. s. var. glabratum (DC.) Cronq.

Xanthium strumarium var. glabratum ; [FPN, 557]

Xanthium spinosum L.

Piikkisappiruoho Piikkinen sappiruoho Spiny Cocklebur Titselgullfrö
Xanthium spinosum ; [RK, 421]; [SK, 582]; [GMBOT, 829]; [FPN, 557]

28.4.2007 (7)

References:

[BONAP]

A Synonymized Checklist of the Vascular Flora of the United States, Puerto Rico, and the Virgin Islands; A data base interface; BONAP U.S. Checklist - 1998; Provided by TAMU-BWG; Texas A & M Bioinformatics Working Group; Based on; Biota of North America Program

[FPN]

Hitchcock & Cronquist, 1998; Flora of the Pacific Northwest (11th ed.); ISBN 0-295-95273-3

[GMBOT]

Robinson, Benjamin, Fernald, Lyndon, 1908; Gray's New Manual of Botany (7th edition); A Handbook of the Flowering Plants and Ferns of the Central and Northeastern United States and adjacent Canada; American Book Company

[GNSP]

Wielgorskaya, 1995; Dictionary of generic names of seed plants

[RK]

Hämet-Ahti, L., Suominen, J., Ulvinen, T. & Uotila, P. (eds), 1998; Retkeilykasvio (Field Flora of Finland); Ed. 4. 656 pp.; Finnish Museum of Natural History, Botanical Museum. Helsinki

[SK]

Mela & Cajander, 1906; Suomen Kasvio; Viides painos

[USGS]

Northern Prairie Wildlife Research Center; http://www.npwrc.usgs.gov/index.htm

If you have corrections, comments or information to add into these pages, just send mail to Markku Savela
Keep in mind that the taxonomic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.