''Montagnea arenaria'' is a species of

secotioid Secotioid fungi are an intermediate growth form between mushroom-like hymenomycetes and closed bag-shaped gasteromycetes, where an evolutionary process of gasteromycetation has started but not run to completion. Secotioid fungi may or may not ...

fungus in the family

Agaricaceae The Agaricaceae are a family of basidiomycete fungi and include the genus ''Agaricus'', as well as basidiomycetes previously classified in the families Tulostomataceae, Lepiotaceae, and Lycoperdaceae. Taxonomy The family Agaricaceae was publishe ...

. Originally named ''Agaricus arenarius'' by

Augustin Pyramus de Candolle Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple of years de Candol ...

in 1815, it was transferred to the genus ''

Montagnea ''Montagnea'' is a genus of fungi in the family Agaricaceae. The genus has a widespread distribution in subtropical dry areas, and contains six species. ''Montagnea'' was circumscribed by Swedish mycologist Elias Magnus Fries in 1836. The gen ...

'' by

Sanford Myron Zeller Sanford Myron Zeller (19 October 1885 – 4 November 1948) was an American mycologist. Born in Coldwater, Michigan, Zeller was educated at Lawrence College in Wisconsin, then Greenville College in Illinois, from which he received a Bachelor of S ...

in 1943. The species is characterized by a

cap A cap is a flat headgear, usually with a visor. Caps have crowns that fit very close to the head. They made their first appearance as early as 3200 BC. Caps typically have a visor, or no brim at all. They are popular in casual and informal se ...

that has an apical disc, radial

gills A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

, a

hymenophore A hymenophore refers to the hymenium-bearing structure of a fungal fruiting body. Hymenophores can be smooth surfaces, lamellae, folds, tubes, or teeth. The term was coined by Robert Hooke Robert Hooke FRS (; 18 July 16353 March 1703) was ...

, and

spore In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, f ...

s with a prominent

germ pore A germ pore is a small pore in the outer wall of a fungal spore through which the germ tube exits upon germination. It can be apical or eccentric in its location, and, on light microscopy, may be visualized as a lighter coloured area on the cell ...

. It is inedible.

References

External links

* Agaricaceae Fungi described in 1815 Fungi of Europe Fungi of North America Inedible fungi Secotioid fungi {{Agaricaceae-stub