Synonyms: Aster asteroides (heterotypic); Aster bangii; Aster barcinonensis; Aster divaricatus; Aster divaricatus var. sandwicensis (pro parte); Aster exilis var. australis; Aster linifolius; Aster moelleri; Aster pseudobarcincnensis; Aster pseudobarcinonensis; Aster sandwicensis; Aster squamatus (homotypic); Aster squamatus var. squamatus; Aster squamatus var. tripolioides; Aster subtropicus; Aster subulatus var. australis; Aster subulatus var. sandwicensis; Baccharis asteroides; Carphephorus junceus; Conyza berteroana; Conyza squamata (homotypic); Conyzanthus squamatus (homotypic); Erigeron depilis; Erigeron semiamplexicaule; Erigeron semiamplexicaule var. semiamplexicaule; Erigeron semiamplexicaulis; Erigeron semiamplexicaulis var. semiamplexicaulis; Erigeron tripolioides; Symphyotrichum subulatum var. squamatum; Tripolium conspicuum; Tripolium imbricatum; Tripolium moelleri; Tripolium oliganthum; Tripolium subulatum var. brasilianum