lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Peltigeraceae. It has nine species.
Taxonomy
The genus was
circumscribed
In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius.
Not every po ...
by lichenologists Bibiana Moncada and Robert Lücking in 2013, with ''
Yoshimuriella fendleri
''Yoshimuriella'' is a genus of foliose (leafy) lichens in the family Peltigeraceae. It has nine species.
Taxonomy
The genus was circumscribed by lichenologists Bibiana Moncada and Robert Lücking in 2013, with '' Yoshimuriella fendleri'' as ...
'' assigned as the type species. The genus contains species that were previously considered part of the ''Lobaria peltigera'' species group, a
clade
A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
of predominantly neotropical lichens. The genus name honours Japanese botanist and lichenologist Isao Yoshimura for his contributions to the understanding of the genus '' Lobaria'' and allied species. Seven species were included in the original circumscription of the genus.
Description
''Yoshimuriella'' consists of foliose lichens that typically grows as
epiphyte
An epiphyte is an organism that grows on the surface of a plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it. The plants on which epiphytes grow are called phoroph ...
s, and less frequently on logs or mossy rocks. They are green when wet, drying out to a pale greyish colour, and becoming pale yellowish after lengthy storage in a
herbarium
A herbarium (plural: herbaria) is a collection of preserved plant specimens and associated data used for scientific study.
The specimens may be whole plants or plant parts; these will usually be in dried form mounted on a sheet of paper (called ...
.
Pseudocyphella
Pseudocyphellae (singular ''pseudocyphella'') are structures in lichens that appear as tiny pores on the outer surface (the cortex of the lichen. They are caused when there is a break in the cortex of the lichen, and the medullary hyphae extend t ...
e (pores for air exchange) and soredia are absent; isidia or phyllidia and lobules are often present, and are usually found at the margins of the lobes. The apothecia are cup-shaped and
lecanorine
A lichen has lecanorine fruiting body parts if they are shaped like a plate with a ring around them, and that ring is made of tissue similar to the main non-fruiting body part of the lichen.Field Guide to California Lichens, Stephen Sharnoff, Yale ...
Dictyochloropsis
''Dictyochloropsis'' is a genus of unicellular green alga of the phylum Chlorophyta. This genus consists of free-living algae which have a reticulate (net-like) chloroplast that varies slightly in morphology between species, and that when mature a ...
''.
Secondary compounds
Secondary metabolites, also called specialised metabolites, toxins, secondary products, or natural products, are organic compounds produced by any lifeform, e.g. bacteria, fungi, animals, or plants, which are not directly involved in the norma ...
Yoshimuriella fendleri
''Yoshimuriella'' is a genus of foliose (leafy) lichens in the family Peltigeraceae. It has nine species.
Taxonomy
The genus was circumscribed by lichenologists Bibiana Moncada and Robert Lücking in 2013, with '' Yoshimuriella fendleri'' as ...