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	Polygonum arenastrum  BOREAU

Fam.: Polygonaceae / Knotweed Fam.

Synon.:  Polygonum aequale  LINDM.

Genus:  Polygonum  L.

Authors:
	BOREAU:		Alexandre Boreau (1803 - 1875), French pharmacist and botanist in the region Maine-et-Loire
	LINDM.:		Carl Axel Magnus Lindman (1856 - 1928), Swedish botanist
	L.:		Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals

Etymology:
	Polygonum:		polys = many, gone = offspring
	arenastrum:		growing in sand
	aequale:		evenly

Fig. 1:  Polygonum arenastrum / Equal-Leaved Knotgrass D Heidelberg 21.7.2012

Fig. 2:  Polygonum arenastrum / Equal-Leaved Knotgrass D Heidelberg 21.7.2012

Fig. 3:  Polygonum arenastrum / Equal-Leaved Knotgrass D Heidelberg 21.7.2012

Fig. 4:  Polygonum arenastrum / Equal-Leaved Knotgrass D Heidelberg 21.7.2012

Fig. 5:  Polygonum arenastrum / Equal-Leaved Knotgrass D Heidelberg 23.7.2012

Fig. 6:  Polygonum arenastrum / Equal-Leaved Knotgrass D Heidelberg 23.7.2012

Fig. 7:  Polygonum arenastrum / Equal-Leaved Knotgrass D Heidelberg 2.8.2012

Fig. 8:  Polygonum arenastrum / Equal-Leaved Knotgrass D Heidelberg 2.8.2012

Fig. 9:  Polygonum arenastrum / Equal-Leaved Knotgrass D Mannheim 16.9.2014

Fig. 10:  Polygonum arenastrum / Equal-Leaved Knotgrass D Mannheim 16.9.2014

Fig. 11:  Polygonum arenastrum / Equal-Leaved Knotgrass D Odenwald, Nieder-Beerbach 16.10.2015

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Copyright: Use of the images and texts only with the author's written permission.