Smooth Stalked Meadow‑Grass (Poa Pratensis)
Smooth Stalked Meadow-Grass (Poa pratensis) is able to develop seed without pollination. Can be difficult to establish needing a higher ground temperature for germination in respect to other seeds. However, once established it is extremely hard wearing, winter hardy and drought tolerant.
More information about Poa pratensis can be found on Wikipedia.