František Kotlaba

Albatrellus ovinus is a terrestrial fungus found in Europe and North America. Although commonly known as sheep polypore, this fungus is not phylogenetically related to Polyporales (shelf fungi). It similar to A. subrubescens, from which it may be distinguished microscopically.

The Entolomataceae are a family of fungi in the order Agaricales. The family contains eight genera and 2250 species, the majority of which are in Entoloma. Basidiocarps (fruit bodies) are typically agaricoid (mushrooms with gills), but a minority are cyphelloid, secotioid, or gasteroid. All produce pink basidiospores that are variously angular (polyhedral), ridged, or nodulose. Species are mostly saprotrophic, though a few are parasitic on other fungi. The family occurs worldwide.

The Pluteaceae are a family of small to medium-sized mushrooms which have free gill attachment and pink spores. Members of Pluteaceae can be mistaken for members of Entolomataceae, but can be distinguished by the angled spores and attached gills of the Entolomataceae. The four genera in the Pluteaceae comprise the widely distributed Volvariella and Pluteus, the rare Chamaeota, and Volvopluteus, which was newly described in 2011 as a result of molecular analysis. The Dictionary of the Fungi (10th edition, 2008) estimates there are 364 species in the family.

Laricifomes officinalis, also known as agarikon, eburiko, or the quinine conk, is a wood-decay fungus that grows in large conks on the trunks of trees. It causes brown heart rot on conifers in Eurasia, Morocco, and North America. This fungus is the only member of the genus Laricifomes. There has been a history of human use of the fungus, from textiles, to ritualistic masks, and medicinal use; the name "quinine conk" refers to its bitter taste. There is recent scientific evidence of it having potency against several viruses.

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The Bondarzewiaceae are a family of fungi in the order Russulales. The type species for both its genus and the family as a whole, Bondarzewia montana, closely resembles members of Polyporales (and was formerly placed there), but has ornamented spores like those of Lactarius or Russula. This characteristic suggested the relationship between physically dissimilar species that eventually led to the restructuring of Russulales (and other taxa) using molecular phylogeny. According to the Dictionary of the Fungi (10th edition, 2008), the family contains 8 genera and 48 species. The taxon is named

Climacocystis borealis is a species of poroid fungus in the family Climacocystaceae.

Megacollybia is a genus of fungus in the family Marasmiaceae. Previously thought to be monotypic, the genus was split into several species based on genetic data in 2007 . The type species, M. platyphylla, is restricted in distribution to Europe, Scandinavia, and western and central Russia. M. rimosa was described as new to science from Brazil in 2013.

Skeletocutis amorpha is a species of poroid fungus in the family Polyporaceae, and the type species of the genus Skeletocutis.

Skeletocutis is a genus of about 40 species of poroid fungi in the family Polyporaceae. The genus has a cosmopolitan distribution, although most species are found in the Northern Hemisphere. It causes a white rot in a diverse array of woody substrates, and the fruit bodies grow as a crust on the surface of the decaying wood. Sometimes the edges of the crust are turned outward to form rudimentary bracket-like caps. Skeletocutis is primarily distinguished from similar genera of wood-rotting fungi by microscopic features, especially by the sausage-shaped to ellipsoid spores, and spiny crystals

Pycnoporellus alboluteus, commonly known as the orange sponge polypore, is a species of polypore fungus in the family Fomitopsidaceae. The soft, spongy orange fruit bodies grow spread out on the surface of fallen logs. Mature specimens have tooth-like or jagged pore edges. Distributed throughout the boreal conifer zone, the fungus is found in mountainous regions of western North America and in Europe. It causes a brown cubical rot of conifer wood, especially spruce, but also fir and poplar. A snowbank mushroom, it can often be found growing on logs or stumps protruding through melting snow.

Leucopaxillus gentianeus is a bitter-tasting, inedible mushroom commonly known as the bitter false funnelcap, or the bitter brown leucopaxillus. A common synonym is Leucopaxillus amarus. The species was first described in 1873 as Clitocybe gentianea by French mycologist Lucien Quélet. František Kotlaba transferred it to Leucopaxillus in 1966. The pileus ranges from 4–12 centimetres (1.6–4.7 in) wide and the stipe from 4–6 cm (1.6–2.4 in) long. It has a mild to pungent smell and a bitter taste, rendering it inedible. The bitter taste is caused by a triterpene called cucurbitacin B. The spore

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Donkioporia is a genus of fungi in the family Fomitopsidaceae. The genus consists of two resupinate (crust-like) species: the type Donkioporia expansa, and D. albidofusca (formerly Poria albidofusca), which was transferred to the genus in 2010. The genus name of Donkioporia is in honour of Marinus Anton Donk (1908–1972), who was a Dutch mycologist. He specialized in the taxonomy and nomenclature of mushrooms. The genus was circumscribed by František Kotlaba and Zdeněk Pouzar in Persoonia Vol.7 on page 214 in 1973.

Parmastomyces is a genus of fungi in the family Fomitopsidaceae. The genus was circumscribed by Czech mycologists František Kotlaba and Zdenek Pouzar in 1964, with Tyromyces kravtzevianus Bondartzev & Parm. as the type species. Parmastomyces species cause a brown rot. The genus has a monomitic hyphal system. The genus name of Parmastomyces is in honour of Erast Parmasto (1928–2012), who was an Estonian mycologist, bio-scientist and botanist and onetime director of the Estonian Institute of Zoology and Botany. The genus was circumscribed by Paul Claude Silva in Taxon vol.8 on page 63 in 1959.

Pachykytospora tuberculosa is a species of poroid fungus in the family Polyporaceae, and the type species of genus Pachykytospora.

Haasiella is a fungal genus in the family Hygrophoraceae. It is a monotypic genus that contains only the species Haasiella venustissima. Haasiella splendidissima, formerly considered to be a distinct species based on its 4-spored basidia, was found by a DNA study to be synonymous with Haasiella venustissima. Haasiella venustissima is only known from Europe and is saprotrophic on wood. Haasiella was described as a new genus in 1966 by Czech mycologists František Kotlaba and Zdeněk Pouzar. It is most closely related to the genus Hygrophorus. The genus name is in honour of Hans Haas, a German

Climacocystis is a genus of poroid fungi in the family Climacocystaceae. Until recently, it was monotypic genus, containing the single widespread species Climacocystis borealis. In 2014, Chinese mycologists added the newly described species Climacocystis montana. The generic name combines the name Climacodon with the Ancient Greek word χύστιζ ("bladder").

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Buglossoporus is a genus of fungi in the family Fomitopsidaceae. The genus was circumscribed in 1966 by Czech mycologists František Kotlába and Zdeněk Pouzar, with Buglossoporus quercinus as the type species. In some works, Buglossoporus has been treated as a synonym of Piptoporus. Buglossoporus magnus, known from only three locations in old growth lowland rainforest of Peninsular Malaysia, is considered a vulnerable species by the IUCN, and appears on their Red List.

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Pachykytospora is a small genus of poroid fungi in the family Polyporaceae. Species in the cosmopolitan genus cause white rot. There are about 10 species in the genus, with newest member described from European Russia in 2007. Pachykytospora species have fruit bodies that are resupinate (growing flat on the substrate surface), with light brown tubes. They are characterized by their uneven, ellipsoid spores, and the Polyporus-like skeletal-binding hyphae.

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Irpiciporus pachyodon is a species of fungus belonging to the family Polyporaceae. It has cosmopolitan distribution. Synonym: Spongipellis pachyodon

Pyrofomes is a genus of fungi in the family Polyporaceae. The genus was circumscribed by Czech mycologists František Kotlaba and Zdenek Pouzar in 1964. The type species, Pyrofomes demidoffii, was once considered a widespread species with a distribution that included East Africa, Middle Asia, Europe, and North America. DNA evidence demonstrated that North American collections represented a lineage that was different than European collections. The North American sibling was reinstated as P. juniperinus in 2017.

Pilatoporus is a genus of fungi in the family Fomitopsidaceae.

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Rhodofomes roseus is a species of pink polypore found in western North America and Europe. This is a close relative of another species of pink conk, the rosy conk (Rhodofomes cajanderi). While R. cajanderi is a plant pathogen, R. rosea is a detritivore.

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