Protologue Description: Agrostis BOREALIS Hartm., VAR. macrantha, n.v., spiculis abnormaliter elongatis; lemnatibus glumas valde superantibus 4-6 (-8) mm. longis; arista supra mediam partem varie saepissime apicem versus affixa interdum brevi obsoletave.-Spikelets abnormally elongated; lemnas much exceeding the glumes, 4-6, rarely 8, mm. long;awn variously inserted above the middle, usually near the apex, sometimes short or obsolete.- Shelves and crevices on dry cliff at about 175 m. alt., Blow-me-down Mts., 27 July, 1908: Eames & Godfrey