Poa attenuata var. dahurica (Trin.) Griseb. = Poa attenuata Trin.
English:
attenuatus,-a,-um;

https://archive.org/stream/florarossicasive04lede#page/375/mode/2up
homotypic synonyms:
Poa attenuata var. desertorum (Trin.) Griseb.; Poa attenuata subsp. dahurica (Trin.) Gubanov; Poa attenuata var. dahurica (Trin.) Krilov; Poa attenuata subsp. dahurica (Trin.) Olon.; Poa attenuata Trin.;

protologue: Fl. Ross. 4: 375 (1852)

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