[Wild-rye Grasses: The Genus Elymus in Mt. Adams Country]

Bottlebrush Squirreltail, Squirrel-tail Grass

Elymus elymoides ssp. elymoides

Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix

Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix)

Bottlebrush Squirreltail as seen along the Round the Mountain Trail #9 about half a mile east of the junction with the South Climb Trail #183, Mt. Adams Wilderness......August 30, 2018.

Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix)

The photo above shows bottlebrush squirreltail as seen at 6800' atop an old moraine at the base of the Adams Glacier, Mt. Adams.......September 18, 2008.

Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix)

The photo above shows a close-up of a spikelet of bottlebrush squirreltail as seen at 6800' atop an old moraine at the base of the Adams Glacier, Mt. Adams........September 18, 2008.

Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix) - Inflorescence ofBottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix)

The photo at left shows a side-view of the head of bottlebrush squirreltail. Note the long, sharply spreading awns so distinctive of this species. Photographed along the Hellroaring Creek Trail #10, about one-half mile downstream from its junction with the Island Springs Trail #66, Mt. Adams........July 17, 2005. The photo at right shows a close-up of the inflorescence of bottlebrush squirreltail as seen on the terminal moraine of the Adams Glacier above the head of the Lewis River, Mt. Adams Wilderness......July 19, 2018.

Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix)

The photo above shows a view down the axis of the head of bottlebrush squirreltail to give a 3-dimensional view of the plant. Photographed along the Hellroaring Creek Trail #10, about one-half mile downstream from its junction with the Island Springs Trail #66, Mt. Adams.......July 17, 2005.

Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix)

A tattered field crescent on bottlebrush squirreltail as seen at Crooked Falls in Bird Creek Meadows........August 13, 2006.

Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix)

The photo above shows the "green" heads of bottlebrush squirreltail as seen on the south-facing slopes of the Ridge of Wonders at the southeatern corner of Mt. Adams........July 30, 2005.

Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix)

Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix) - Bottlebrush Squirreltail, Squirreltail: Elymus elymoides ssp. elymoides (Synonyms: Elymus sitanion, Sitanion elymoides, Sitanion hystrix var. hystrix)

The 3 photos directly above show what may be bottlebrush squirreltail from about 6700' on the Ridge of Wonders........August 12, 2006.

Paul Slichter