Machaeranthera canescens ssp. canescens
Pursh A Gray
Machaeranthera laetevirens
Greene non Aster laetevirens Greene Greene
Machaeranthera linearis
Rydb non Greene
Machaeranthera spinulosa
Greene Cory non Amellus spinulosa Pursh
Machaeranthera subalpina
Greene
Aster glossophyllus
Piper
Dieteria pulverulenta
Nutt
Machaeranthera angustifolia
Rydb non Woot & Standl
Machaeranthera divaricata
Nutt Greene
Machaeranthera glabella
Greene ex Rydb
Machaeranthera latifolia
A Nelson
Machaeranthera leptophylla
Rydb
Machaeranthera montana
Greene
Machaeranthera paniculata
A Nelson
Machaeranthera pinosa
Elmer
Machaeranthera pulverulenta
Nutt Greene
Machaeranthera ramosa
A Nelson
Machaeranthera selbyi
Rydb
Machaeranthera superba
A Nelson
Machaeranthera viscosa
Nutt Greene
Machaeranthera canescens ssp. canescens var. canescens
Pursh A Gray
Aster canescens var. viscosus
Nutt A Gray
Aster shastensis var. glossophyllus
Piper Cronquist
Aster shastensis var. latifolius
Cronquist
Machaeranthera canescens var. latifolia
A Nelson SL Welsh non A Gray
Machaeranthera canescens var. monticola
Dorn
Machaeranthera canescens var. viscosa
Nutt Piper
Machaeranthera shastensis var. glossophylla
Piper Cronquist & DD Keck
Machaeranthera shastensis var. latifolia
Cronquist Cronquist & DD Keck
Machaeranthera shastensis var. montana
Greene Cronquist & DD Keck
Machaeranthera canescens var. canescens
Pursh A Gray