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Inter-generic hybrid (Aster Linnaeus, 1753 × Erigeron Linnaeus, 1753). Junior homonym of Asterigeron P.A. Rydberg, ... [details]
Inter-generic hybrid (Aster Linnaeus, 1753 × Erigeron Linnaeus, 1753). Nomen novum for × Asterigeron Tzvelev, ... [details]