Runga flora is a species of Physoglenidae spider endemic to New Zealand.
This species was described in 1990 by Ray Forster from male and female specimens. The holotype is stored in Te Papa Museum.
The male is recorded at 3.11mm in length whereas the female is 4.32mm.
This species is only known from Mount Arthur in New Zealand.
Under the New Zealand Threat Classification System, this species is listed as "Naturally Uncommon" with the qualifier of "Range Restricted".