Summary ²

Crataegus monogyna, known as common hawthorn or single-seeded hawthorn, is a species of hawthorn native to Europe, northwest Africa and western Asia. It has been introduced in many other parts of the world where it can be an invasive weed.

Sources and Credits

1. (c) Salomé, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/79667341@N00/373140591
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Crataegus_monogyna

More Info

• iNat taxon page
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• Calflora
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• eFloras.org
• Flora Digital de Portugal
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• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
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• OregonFlora.org
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online

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