Asteraceae Bercht. & J.Presl

Carduus nutans subsp. acrocephalus N.C.W.Beadle

, orth. var.

, scientific

Beadle, N.C.W. (1980), Student's Flora of North Eastern New South Wales 4

:

675

[primary reference]

Council of Heads of Australasian Herbaria (2011), Australian Plant Census

:

-

[orthographic variant]

orthographic variant of:

Carduus nutans var. macrocephalus (Desf.) B.Boivin

legitimate

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census

:

-

[orthographic variant]

orthographic variant of:

Carduus nutans subsp. macrocephalus (Desf.) Nyman

nom. illeg.

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census

:

-

[doubtful taxonomic synonym]

doubtful taxonomic synonym of:

Carduus nutans L.

legitimate