Galium palustre · pelkinis lipikas

EN · common marsh bedstraw
DE · Sumpf-Labkraut
LV · purva madara
PL · przytulia błotna

https://en.wikipedia.org/wiki/Galium_palustre
It is a perennial plant up to about 50 cm. Hairless with square stems. Leaves in whorls of 4 to 6 with a rough margin, one veined. Flowers white, occasionally greenish with red anthers, usually four parted in a lax pyramidal panicle. Moist or wet habitats such as wet ditches. Sometimes growing in water.