Species (27)
- Ciborinia hirtella (Boud.) L.R. Batra & Korf 1959
- Sclerotinia hirtella Boud. 1907
- Hirtella racemosa Lam.
- Hirtella papillata Prance
- Hirtella americana L.
- Hirtella guatemalensis Standl.
- Hirtella lemsii L.O. Williams & Prance
- Hirtella trichotoma Prance
- Hirtella triandra Sw.
- Reaumuria hirtella var. palaestina
- Paralomis hirtella de Sain Laurent & Macpherson 1997
- Euphrasia hirtella Jord. ex Reut.
- Lachnea hirtella Sacc. 1889
- Peniophora hirtella Bourdot & Galzin 1912
- Inocybe hirtella Bres. 1884
- Meruliopsis hirtella (Burt) Ginns 1976
- Scutellinia hirtella (Rehm) Kuntze 1891
- Erophila hirtella Jord.
- Euphrasia hirtella Jord. form. subglabra
- Euphrasia hirtella Jord.
- Usnea filipendula Stirt. var. hirtella
- Tubulicrinis hirtellus (Bourdot & Galzin) J. Erikss. 1958
- Inocybe hirtella var. bispora Kuyper 1986
- Euphrasia pulchella Kern.
- Byssomerulius hirtellus (Burt) Parmasto 1967
- Merulius macedonicus Pilát & Lindtner 1938
- Scutellinia crinita (Bull. : Fr.) Lambotte 1887