Not an accepted name (status: unknown).
The accepted name is
Acaena echinata Nees, 1844.
Acaena echinata var. tylacantha
Orchard, 1969
6% complete
No common name
Trans. Roy. Soc. South Australia 93: 101 (1969)
There is no corrections for Acaena echinata var. tylacantha yet.