West Mill Lane, Small Dole, Henfield, W Sussex (footpath by stream leading to waterworks). This plant is highly variable and can be sprawling close to the ground with small leaves, or fairly erect with larger leaves like this specimen.

Knotgrass (Polygonum aviculare) (20/08/2023) West Mill Lane, Small Dole, Henfield, W Sussex (footpath by stream leading to waterworks). This plant is highly variable and can be sprawling close to the ground with small leaves, or fairly erect with larger leaves like this specimen.

Tottington Wood, Small Dole, Henfield. Another specimem, more representative of the photos/illustrations in books than the larger leaved specimen in the previous image.

Knotgrass (Polygonum aviculare) (24/08/2021) Tottington Wood, Small Dole, Henfield. Another specimem, more representative of the photos/illustrations in books than the larger leaved specimen in the previous image.

West Mill Lane, Small Dole, Henfield, W Sussex (footpath by stream leading to waterworks). The flower with its yellow anthers - the brown thing next to it is the developing fruit.

Knotgrass (Polygonum aviculare) (20/08/2023) West Mill Lane, Small Dole, Henfield, W Sussex (footpath by stream leading to waterworks). The flower with its yellow anthers - the brown thing next to it is the developing fruit.

Southbank Barn, New Hall Lane, Small Dole, Henfield (garden). My little finger showing just how tiny are these flowers.

Knotgrass (Polygonum aviculare) (09/06/2021) Southbank Barn, New Hall Lane, Small Dole, Henfield (garden). My little finger showing just how tiny are these flowers.

West Mill Lane, Small Dole, Henfield, W Sussex (footpath by stream leading to waterworks). This is quite a large specimen.

Knotgrass (Polygonum aviculare) (20/08/2023) West Mill Lane, Small Dole, Henfield, W Sussex (footpath by stream leading to waterworks). This is quite a large specimen.

Southbank Equestrian, Henfield (bunny field). See the weeny flowers along the stem - the photo doesn't do justice to quite how small they are!

Knotgrass (Polygonum aviculare) (29/06/2020) Southbank Equestrian, Henfield (bunny field). See the weeny flowers along the stem - the photo doesn't do justice to quite how small they are!

Southbank Equestrian, Henfield (bunny field). This specimen is more typical-looking of P. aviculare and match the books!

Knotgrass (Polygonum aviculare) (10/07/2020) Southbank Equestrian, Henfield (bunny field). This specimen is more typical-looking of P. aviculare and match the books!

Southbank Barn, New Hall Lane, Small Dole, Henfield (garden). This one is more branching with less robust stems and is leafier than you'd expect. But there are many sub-species of Knotgrass so this might be one of them.

Knotgrass (Polygonum aviculare) (09/06/2021) Southbank Barn, New Hall Lane, Small Dole, Henfield (garden). This one is more branching with less robust stems and is leafier than you'd expect. But there are many sub-species of Knotgrass so this might be one of them.

Knotgrass (Polygonum aviculare) (10/07/2020) Southbank Equestrian, Henfield (car park field). Another larger specimen.

Tottington Wood, Small Dole, Henfield (near car park). More typical of P. aviculare than some of the other images here.

Knotgrass (Polygonum aviculare) (24/08/2021) Tottington Wood, Small Dole, Henfield (near car park). More typical of P. aviculare than some of the other images here.

Tottington Wood, Small Dole, Henfield. This one has larger flowers than some of the other specimens in these photographs. Still Knotgrass though..

Knotgrass (Polygonum aviculare) (24/08/2021) Tottington Wood, Small Dole, Henfield. This one has larger flowers than some of the other specimens in these photographs. Still Knotgrass though..

Knotgrass (Polygonum aviculare) (05/08/2021) Southbank Equestrian, Henfield (fittleworth stone track to car park field).

Knotgrass (Polygonum aviculare) (29/06/2020) Southbank Equestrian, Henfield (bunny field).Not yet in flower. Buds will form

Southbank Equestrian, Henfield (car park). Another different leaf type. This species is truly variable. This one is quite tall and leafy (although not yet in flower).

Knotgrass (Polygonum aviculare) (17/06/2021) Southbank Equestrian, Henfield (car park). Another different leaf type. This species is truly variable. This one is quite tall and leafy (although not yet in flower).

Knotgrass (Polygonum aviculare) (17/06/2021) Southbank Equestrian, Henfield (car park). A young plant not yet even with buds.

Southbank Equestrian, Henfield (car park). This is a baby plant and I think probably badly sun-stressed and perhaps not in the right soil (this is Fittleworth Stone which is very sandy and acidic).

Knotgrass (Polygonum aviculare) (24/08/2021) Southbank Equestrian, Henfield (car park). This is a baby plant and I think probably badly sun-stressed and perhaps not in the right soil (this is Fittleworth Stone which is very sandy and acidic).