''Lachnellula'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

fungi A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

in the family Lachnaceae. The genus contains 40 species. ''Lachnellula'' was

circumscribed In geometry, a circumscribed circle for a set of points is a circle passing through each of them. Such a circle is said to ''circumscribe'' the points or a polygon formed from them; such a polygon is said to be ''inscribed'' in the circle. * Circum ...

in 1884 by

Petter Karsten Petter Adolf Karsten (16 February 1834 – 22 March 1917) was a Finnish mycologist, the foremost expert on the fungi of Finland in his day, and known in consequence as the "father of Finnish mycology". Karsten was born in Merimasku near Turku ...

, with '' Lachnellula chrysophthalma'' assigned as the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

. Many species are associated with

canker A plant canker is a small area of dead tissue, which grows slowly, often over years. Some cankers are of only minor consequence, but others are ultimately lethal and therefore can have major economic implications for agriculture and horticultur ...

disease on various

conifers Conifers () are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All e ...

, including ''

Lachnellula willkommii ''Lachnellula willkommii'' is a species of fungus belonging to the family Lachnaceae. It is native to Eurasia and Northern America Northern America is the northernmost subregion of North America, as well as the northernmost region in the A ...

'', which causes the feared disease of larch canker to some

larch Larches are deciduous conifers in the genus ''Larix'', of the family Pinaceae (subfamily Laricoideae). Growing from tall, they are native to the cooler regions of the northern hemisphere, where they are found in lowland forests in the high la ...

trees.European larch canker
Natural Resources Canada

Species

*''

Lachnellula abietis ''Lachnellula'' is a genus of fungi in the family Lachnaceae. The genus contains 40 species. ''Lachnellula'' was circumscribed in 1884 by Petter Karsten, with '' Lachnellula chrysophthalma'' assigned as the type species. Many species are associ ...

'' *'' Lachnellula aeruginosa'' *'' Lachnellula agassizii'' *'' Lachnellula angustispora'' *'' Lachnellula arida'' *'' Lachnellula bruneiensis'' *''

Lachnellula calva ''Lachnellula'' is a genus of fungi in the family Lachnaceae. The genus contains 40 species. ''Lachnellula'' was circumscribed in 1884 by Petter Karsten, with '' Lachnellula chrysophthalma'' assigned as the type species. Many species are associ ...

'' *'' Lachnellula calyciformis'' *'' Lachnellula calycina'' *'' Lachnellula cervina'' *'' Lachnellula chrysophthalma'' *'' Lachnellula ciliata'' *'' Lachnellula cyphelloides'' *''

Lachnellula dabaensis ''Lachnellula'' is a genus of fungi in the family Lachnaceae. The genus contains 40 species. ''Lachnellula'' was circumscribed in 1884 by Petter Karsten, with '' Lachnellula chrysophthalma'' assigned as the type species. Many species are associ ...

'' *''

Lachnellula ellisiana ''Lachnellula'' is a genus of fungi in the family Lachnaceae. The genus contains 40 species. ''Lachnellula'' was circumscribed in 1884 by Petter Karsten, with '' Lachnellula chrysophthalma'' assigned as the type species. Many species are associ ...

'' *'' Lachnellula eucalypti'' *'' Lachnellula flavovirens'' *'' Lachnellula fuckelii'' *'' Lachnellula fuscosanguinea'' *'' Lachnellula himalayensis'' *'' Lachnellula hyalina'' *'' Lachnellula ikenoi'' *'' Lachnellula intricata'' *'' Lachnellula juniperina'' *'' Lachnellula kamtschatica'' *'' Lachnellula laricis'' *'' Lachnellula minuscula'' *'' Lachnellula minuta'' *'' Lachnellula occidentalis'' *''

Lachnellula pittospori ''Lachnellula'' is a genus of fungi in the family Lachnaceae. The genus contains 40 species. ''Lachnellula'' was circumscription (taxonomy), circumscribed in 1884 by Petter Karsten, with ''Lachnellula chrysophthalma'' assigned as the type species ...

'' *'' Lachnellula populina'' *'' Lachnellula pseudofarinacea'' *'' Lachnellula pseudotsugae'' *'' Lachnellula pulverulenta'' *'' Lachnellula rattanicola'' *'' Lachnellula rehmii'' *'' Lachnellula resinaria'' *'' Lachnellula rhopalostylidis'' *'' Lachnellula robusta Baral'' *'' Lachnellula schumannii'' *'' Lachnellula splendens'' *'' Lachnellula subtilissima'' *'' Lachnellula succina'' *'' Lachnellula suecica'' *'' Lachnellula tuberculata'' *'' Lachnellula viridiglauca'' *''

References

Helotiales Leotiomycetes genera Taxa named by Petter Adolf Karsten Taxa described in 1884 {{Leotiomycetes-stub