African Lovegrass or Thick Grass * Bosluisgras of Krummelgras * Eragrostis Echinochloidea

https://www.inaturalist.org/taxa/162385-Eragrostis-echinochloidea/browse_photos

By Heering, W. (Wilhelm), 1876-1916;Grimme, C. (Clemens) -  https://commons.wikimedia.org/w/index.php?curid=42687685

Sources:

(*) https://www.inaturalist.org/taxa/162385-Eragrostis-echinochloidea

(*) https://en.wikipedia.org/wiki/Eragrostis_echinochloidea