Zamiaceae Horan.

Macrozamia paulli-guilielmi Regel

, orth. var.

, scientific

Regel, E.A. von (1876), Cycadearum generum specierumque revisio.

Acta Horti Petropolitani

4

:

319

[primary reference]

Johnson, L.A.S. (1961), Zamiaceae.

Contributions from the New South Wales National Herbarium, Flora Series

1

:

39

[orthographic variant]

orthographic variant of:

Macrozamia pauli-guilielmi W.Hill & F.Muell. subsp. pauli-guilielmi

legitimate