Almbornia
Encyclopedia
Almbornia is a genus
of lichen
ised ascomycetes in the large family Parmeliaceae
. It is a genus of only two currently accepted species
. Both Almbornia lichens have a subfruticose growth form, and are characterised by a densely agglutinated, proso–plectenchymatous medulla
.
The genus is so far only known from South Africa
.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of lichen
Lichen
Lichens are composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner , usually either a green alga or cyanobacterium...
ised ascomycetes in the large family Parmeliaceae
Parmeliaceae
The Parmeliaceae is a large and diverse family of Lecanoromycetes. With over 2000 species in roughly 87 genera, it is currently regarded as the largest family of lichen forming fungi...
. It is a genus of only two currently accepted species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
. Both Almbornia lichens have a subfruticose growth form, and are characterised by a densely agglutinated, proso–plectenchymatous medulla
Medulla (lichenology)
The medulla is a horizontal layer within a lichen thallus. It is a loosely arranged layer of interlaced hyphae below the upper cortex and photobiont zone, but above the lower cortex. The medulla generally has a cottony appearance. It is the widest layer of a heteromerous lichen thallus....
.
The genus is so far only known from South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...
.