Tomnashia luteominia

Tomnashia luteominia, the red firedot lichen, is a species of saxicolous (rock-dwelling), crustose lichen in the family Teloschistaceae.^[2] It is widely distributed along the North American west coast. The lichen has two varieties: var. bolanderi has distinctive red apothecia (fruiting bodies), while var. luteominia has orange-brown apothecia.^[3]

Tomnashia luteominia
Tomnashia luteominia, Palos Verdes, Southern California
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Teloschistales
Family:	Teloschistaceae
Genus:	Tomnashia
Species:	T. luteominia
Binomial name
Tomnashia luteominia (Tuck.) S.Y.Kondr. & Hur (2017)
Synonyms[1]
List Blastenia ferruginea subsp. bolanderi (Tuck.) Hasse (1913) Blastenia ferruginea var. bolanderi (Tuck.) Hasse (1913) Blastenia luteominia (Tuck.) Hasse (1913) Caloplaca bolanderi (Tuck.) H.Magn. (1944) Caloplaca ferruginea f. bolanderi (Tuck.) Zahlbr. (1930) Caloplaca ferruginea var. bolanderi (Tuck.) Zahlbr. (1930) Caloplaca luteominia (Tuck.) Zahlbr. (1930) Caloplaca luteominia var. bolanderi (Tuck.) Arup (1993) Lecidea luteominia (Tuck.) Hue (1914) Placodium ferrugineum f. bolanderi Tuck. (1882) Placodium ferrugineum var. bolanderi (Tuck.) T.A.Williams (1893) Placodium luteominium Tuck. [as 'luteo-minium'] (1866) Polycauliona luteominia (Tuck.) Arup, Frödén & Søchting (2013) Polycauliona luteominia var. bolanderi (Tuck.) Arup, Frödén & Søchting (2013) Pyrenodesmia bolanderi (Tuck.) E.D.Rudolph (1955) Pyrenodesmia luteominia (Tuck.) E.D.Rudolph (1955)

Taxonomy

The lichen was first formally described as a new species in 1866 by the American lichenologist Edward Tuckerman, as Placodium luteominimum.^[4] Sergey Kondratyuk and Jae-Seoun Hur transferred it to the genus Tomnashia in 2017.^[5] It is commonly known as the "red firedot lichen".^[6]