Proteaceae Juss.

Petrophila rigida R.Br.

, orth. var.

, scientific

Brown, R. (8 March 1810), On the Proteaceae of Jussieu.

Transactions of the Linnean Society of London

10(1)

:

69

[primary reference]

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

:

-

[orthographic variant]

orthographic variant of:

Petrophile rigida R.Br.

legitimate