Poa secunda J. Presl (Poaceae): a modern summary of infraspecific taxonomy, chromosome numbers, related species and infrageneric placement based on DNA Author Soreng, Robert John Author Gillespie, Lynn J. text PhytoKeys 2018 110 101 121 http://dx.doi.org/10.3897/phytokeys.110.27750 journal article http://dx.doi.org/10.3897/phytokeys.110.27750 1314-2003-110-101 FF95FFDAFFCCFFACFFAFFFAAFFA9FFF9 1484691 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.