Agrostis mertensii, the Arctic bent, a grass species in the genus Agrostis
O. viridulus feeds on grass from the genera Dactylis, Agrostis, Anthoxanthum, Lolium and Holcus.
The parish gives its name to the 'Orcheston long grass' (Agrostis stolonifera), also called 'Creeping Bent', the most commonly used species of Agrostis.
Agrostis | Agrostis stolonifera | Agrostis capillaris | Agrostis gigantea |
The larvae feed on various grasses including wild oats Avena, Agrostis, Poa, Cynodon dactylon and Chasmanthium latifolia.
It is a common grass on grassy balds in the southern Appalachians, where it occurs with redtop (Agrostis alba), timothy (Phleum pratense), Canada bluegrass (Poa compressa), Kentucky bluegrass (P. pratensis), red fescue (Festuca rubra), five-fingers (Potentilla canadensis), and sheep sorrel (Rumex acetosella).