Poa secunda subsp. secunda var. gracillima (Vasey) Soreng, comb. et stat nov. Fig. 4D

Basionym .

Poa gracillima Vasey, Contr. U.S. Natl. Herb. 1(8): 272, 1893.

Synonyms.

Poa gracillima var. gracillima, P. gracillima Vasey, P. invaginata Scribn. & T.A. Williams.

Habitat and range.

Open forests, moist cliffs and rocks and subalpine to alpine meadows, in well-drained acid soils that are consistently moist through the growing season of the variety. Pacific Northwest and northern California.

Chromosome numbers.

Numbers reported as P. gracillima: 2 n = 81, ≈ 81, ≈ 84, 86, ≈ 91.