Summary
Place of publication:
Sp. pl. 1:362. 1753
Verified:
03/09/2004
ARS Systematic Botanists.
Autonyms (not in current use), synonyms and invalid designations
Reference(s)
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Common names
English
doorweed – English knotgrass – knotgrass – knotweed – prostrate knotweed – wireweed – French
renouée des oiseaux – Portuguese (Brazil)
erva-de-bicho-dos-passarinhos – sempre-noiva-dos-passarinhos – Transcribed Chinese
bian xu – Transliterated Russian
gorlec – gusjatnica – sporyš ptičij –
Distribution
| order_code | Status | Continent | Subcontinent | Country | State | Note |
| 4 | Naturalized | | | | | |
| 6 | Other | | | | | |
Naturalized
()
Other
()
Economic Uses
| Usage | Type | Note | Reference |
| Medicines | folklore | | McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. Herbs of commerce, ed. 2. 2000 |
| Vertebrate poisons | mammals | | Cooper, M. R. & A. W. Johnson. Poisonous plants and fungi in Britain: animal and human poisoning. 1998 |
| Weed | potential seed contaminant | | CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988) |
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System.
2026. Germplasm Resources Information Network
(GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://apg.pir.sa.gov.au/gringlobal/taxon/taxonomydetail?id=29238.
Accessed 9 June 2026.