[Bentgrasses and Redtops: The Genera Agrostis and Podagrostis in Mt. Adams Country]

Alpine Bent, Mountain Bentgrass, Variant Bentgrass

Agrostis variabilis

Synonym: Agrostis rossiae

Alpine Bent, Mountain Bentgrass, Variant Bentgrass: Agrostis variabilis (Synonym: Agrostis rossiae)

Mountain bentgrass along the Killen Creek Trail #113 about one-quarter mile downhill from the junction with the Pacific Crest Trail #2000, Mt. Adams Wilderness.........August 29, 2012.

Close-up of an inflorescence of Alpine Bent, Mountain Bentgrass, Variant Bentgrass: Agrostis variabilis (Synonym: Agrostis rossiae)

Close-up of the inflorescence of mountain bentgrass as seen along the Killen Creek Trail #113 about one-quarter mile downhill from the junction with the Pacific Crest Trail #2000, Mt. Adams Wilderness.........August 29, 2012.

Alpine Bent, Mountain Bentgrass, Variant Bentgrass: Agrostis variabilis (Synonym: Agrostis rossiae) - Alpine Bent, Mountain Bentgrass, Variant Bentgrass: Agrostis variabilis (Synonym: Agrostis rossiae)

Mountain bentgrass on open slopes between the Pacific Crest Tail and terminal moraine of the Adams Glacier, Mt. Adams Wilderness..........August 20, 2013.

Alpine Bent, Mountain Bentgrass, Variant Bentgrass: Agrostis variabilis (Synonym: Agrostis rossiae)

What might be mountain bentgrass as seen at the southwest head of Hellroaring Valley, Mount Adams.........August 13, 2013. Because there are no close-ups of this plant, there is a chance this could be Podagrostis humilis instead.

Alpine Bent, Mountain Bentgrass, Variant Bentgrass: Agrostis variabilis (Synonym: Agrostis rossiae)

What might be mountain bentgrass as seen on sandy flats along upper Killen Creek about one-quarter mile downhill from its headwaters, north corner of Mount Adams.........August 13, 2016.
Paul Slichter