Dilleniaceae Salisb.
Hibbertia brownii subsp. angustissima Toelken , legitimate, scientific
Toelken, H.R. (17 August 2023), Notes on Hibbertia (Dilleniaceae: subgen. Hemistemma) — 12. The northern Australian species of the H. banksii group. Swainsona 37: 22 [tax. nov.]
  • Type: "Holoypus: Northern Territory, E of Havelock Falls, c. 79 km SSW Maningrida, 19 Mar. 2000, I.D. Cowie 8664 (DNA D144915). Isotypus: MEL, n.v."
  • Etymology: "The very narrow slender leaves is referred to in the epithet angustissima, Latin, “very narrow”."