Knot-grass of the birds
The joined again birds ( Polygonum aviculare ), also called Hogweed , Trailed , Herbe with the 100 nodes , is an annual herbaceous plant of the family of the Polygonacée S. Adventitious often invading, it owes its name has its seeds particularly appreciated by the birds.
It is a plant mellifere.
Subspecies
- Polygonum aviculare subsp. aviculare : Knot-grass of the birds
- Polygonum aviculare subsp. depressum (Meisn.) Arcang. : Knot-grass of the gravels
- Polygonum aviculare subsp. rurivagum (Jord. ex Boreau) Berher in Louis: Knot-grass of the fields
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