Haematomma

Not to be confused with Hematoma.

Haematomma is a genus of crustose lichens established by Abramo Bartolommeo Massalongo in 1852.^[2] It is the sole genus in the Haematommataceae,^[3] a family circumscribed by Josef Hafellner in 1984.^[4] Commonly called bloodstain lichens,^[5] the species assigned to this genus are widely distributed in tropical and temperate areas.^[6]

Haematomma
Haematomma ochroleucum
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Lecanorales
Family:	Haematommataceae Hafellner (1984)
Genus:	Haematomma A.Massal. (1852)
Type species
Haematomma vulgare A.Massal. (1852)
Synonyms[1]
Lepadolemma Trevis. (1852)

The genus name Haematomma means "bloody eye", a reference to the color of the lichen's apothecia.^[7]

Species

As of September 2021^[update], Species Fungorum accepts 22 species in the genus Haematomma:^[8]

• Haematomma accolens (Stirt.) Hillmann (1940)
• Haematomma africanum (J.Steiner) C.W.Dodge (1971)
• Haematomma alborussulum (Nyl.) S.Ekman & J.Gerasimova (2017)
• Haematomma caperaticum Brodo, W.L.Culb. & C.F.Culb. (2008)
• Haematomma collatum (Stirt.) C.W.Dodge (1971)
• Haematomma eremaeum R.W.Rogers (1982)
• Haematomma fenzlianum A.Massal. (1861)
• Haematomma flexuosum Hillmann (1938)
• Haematomma fluorescens Kalb & Staiger (1995)
• Haematomma gallowayi Brodo (2007)
• Haematomma infuscum (Stirt.) R.W.Rogers (1982)
• Haematomma nicoyense Nelsen, Lücking & Chaves (2006)
• Haematomma nothofagi Kalb & Staiger (1995)
• Haematomma ochroleucum (Neck.) J.R.Laundon (1970)
• Haematomma parda Aptroot (2007)
• Haematomma persoonii (Fée) A.Massal. (1860)
• Haematomma pluriseptatum R.Tang (2020)
• Haematomma puniceum (Ach.) A.Massal. (1860)
• Haematomma rubidum R.Tang & Z.T.Zhao (2020)
• Haematomma rufidulum (Fée) A.Massal. (1860)
• Haematomma similis Bagl. (1875)
• Haematomma sorediatum R.W.Rogers (1982)
• Haematomma staigeriae Nelsen, Lücking & L.Umaña (2006)
• Haematomma stevensiae R.W.Rogers (1982)