Levenhookia sect. Estipitatae (sometimes spelled as Exstipitatae) is a section of two to three recognized species in the family Stylidiaceae

Stylidiaceae

The family Stylidiaceae is a taxon of dicotyledonous flowering plants. It consists of five genera with over 240 species, most of which are endemic to Australia and New Zealand. Members of Stylidiaceae are typically grass-like herbs or small shrubs and can be perennials or annuals...

. It was established and described by Johannes Mildbraed

Johannes Mildbraed

Gottfried Wilhelm Johannes Mildbraed was a German botanist that specialized in mosses, ferns, and various spermatophytes. He is well-known for authoring the most current monograph and taxonomic treatment of the family Stylidiaceae in 1908 as part of the unfinished Das Pflanzenreich series. The...

 in 1908 to separate the subgeneric taxonomy in the genus Levenhookia

Levenhookia

Levenhookia, also known as the styleworts, is a genus of ten recognized species in the family Stylidiaceae and is endemic to Australia. The genus is restricted to Western Australia almost exclusively with a few exceptions: L. pusillas range extends into South Australia, L. dubias range extends...

. Mildbraed originally placed L. dubia

Levenhookia dubia

Levenhookia dubia, the hairy stylewort, is a dicotyledonous plant that belongs to the genus Levenhookia . It is an ephemeral annual that grows from 2 to 6 cm tall with obovate leaves that are generally 2–5 mm long. Flowers are white and bloom from September to October in its native range....

and L. leptantha

Levenhookia leptantha

Levenhookia leptantha, the trumpet stylewort, is a dicotyledonous plant that belongs to the genus Levenhookia . It is an ephemeral annual that grows from 2 to 6 cm tall with ovate to lanceolate leaves that are generally 2–5 mm long. Flowers are pink and bloom from September to October in...

in this section. L. sonderi

Levenhookia sonderi

Levenhookia sonderi, the slender stylewort, is a dicotyledonous plant that belongs to the genus Levenhookia . It is an ephemeral annual that grows only in Victoria, Australia. L. sonderi is most closely related to L. dubia and it has even been described as a variety of L. dubia in the past...

was described by Mildbraed as a variety of L. dubia, though other resources treat it as a distinct species.