Four new species of Arthropodium (Asparagaceae) from central and eastern Australia

Four species of Arthropodium R.Br. occurring in the Northern Territory, South Australia, Queensland, and New South Wales are newly described: Arthropodium boreale P.F.Horsfall & Jian Wang ter sp. nov., Arthropodium glareosorum P.F.Horsfall & Jian Wang ter sp. nov., Arthropodium morganiae P.F.Horsfall & Jian Wang ter sp. nov. and Arthropodium sejunctum P.F.Horsfall & Jian Wang ter sp. nov. The new species are illustrated and diagnosed against related species, their distributions mapped and a key to the new species provided.