Poa serotina - Poa compressa

This image could have imperfections as it’s either historical or reportage.

Poa serotina - Poa compressa - old Names, Family Poaceae, 1. Poa palustris var. palustris, 2. Poa compressa L., 1. also fowl bluegrass, fowl meadow grass, swamp meadow grass, 2. Canada bluegrass, Canadian bluegrass, flattened meadow grass, 1. Poa serotina, other Syn., Poa fertilis Host, Poa serotina Ehrh., Poa triflora Gilib., nom. inval., Poa, genus of about 500 species of grasses, native to the temperate regions of both hemispheres. Common names include meadow-grass, mainly Europe and Asia, bluegrass, mainly North America, tussock, some New Zealand species, and speargrass. Poa is Greek for fodder. Poa are members of the Pooideae subfamily of the Poaceae family., 2. Poa compressa, Canada bluegrass or flattened meadowgrass, is a perennial flattened meadow grass, similar to Common Meadow-grass, Poa pratensis. It is native to Europe but it can be found nearly worldwide as an introduced species.