ដែលជាកន្លែង ស្មៅចង្រៃ
អាមេរិកខាងជើង | Weed Science Society of America (2010) - Composite List of Weeds |
ទ្វីបអឺរ៉ុប | NOBANIS - European Network on Invasive Alien Species |
ចក្រភពអង់គ្លេសនិងអៀរឡង់ | Garden Organic |
អាស៊ីខាងកើត | T. Mito & T. Uesugi (2004) - Invasive Alien Species in Japan |
រុស្ស៊ី | AgroAtlas - Interactive Agricultural Atlas of Russia & Neighboring Countries |
នូវែលហ្សេឡង់ | C. Howell (2008) - Consolidated List of Environmental Weeds in NZ |