Not an accepted name (status: unknown).
The accepted name is
Acaena echinata Nees, 1844.
Acaena echinata var. retrosumpilosa
(Bitter) Orchard, 1969
2% complete
No common name
Trans. Roy. Soc. South Australia 93: 101 (1969)
There is no corrections for Acaena echinata var. retrosumpilosa yet.