 In his landmark "Flora Australiensis" (1869), George Bentham argued that several previously described species were in fact a single species – "E. impressa", uniting "E. variabilis", a short red-flowered "E. campanulata", "E. ruscifolia", which had narrow leaves and long flowers, the white-flowered "E. nivalis", and short white-flowered "E. ceraeflora".He re-classified as a separate species – "E. reclinata" – several plants that Allan Cunningham had collected in the Blue Mountains and classified as "E. impressa".In the same work, Bentham named and described two naturally occurring varieties, "Epacris impressa" var.