Aster glossophyllus Machaeranthera linearis Machaeranthera pulverulenta Machaeranthera shastensis var. latifolia Machaeranthera paniculata Aster shastensis var. latifolius Machaeranthera montana Aster shastensis var. glossophyllus Machaeranthera shastensis var. montana Machaeranthera shastensis var. glossophylla Machaeranthera pulverulenta var. pulverulenta Aster canescens var. viscosus Machaeranthera viscosa Machaeranthera subalpina Dieteria divaricata Machaeranthera selbyi Machaeranthera latifolia Machaeranthera angustifolia Aster leiodes Machaeranthera ramosa Machaeranthera superba Machaeranthera pinosa Dieteria pulverulenta Dieteria viscosa Machaeranthera glabella Machaeranthera divaricata Machaeranthera leptophylla Machaeranthera laetevirens Machaeranthera spinulosa
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024