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Search for "HELICOMA": 9 articles found in Index.

HOLUBOVÁ-JECHOVÁ V. (1987): Studies on Hyphomycetes from Cuba V. Six new species of dematiaceous Hyphomycetes from Havana Province.  Česká Mykologie 41(1): 29-36   (published: 16th February, 1987)
  abstract   Six variants of Cercospora beticola were isolated from the territory of Slovakia. According to the cultural properties on potato glucose agar medium they could be characterized as: dark grey, dark grayish-green, ash-grey, deep grayish-green, light grayish-green and white grayish-green. Inoculation of susceptible and resistant sugar beet cultivars showed a correlation between pigmentation intensity and aggressiveness, with darker variants being more virulent and sporulating more heavily.

HOLUBOVÁ-JECHOVÁ V., MERCADO SIERRA A. (1986): Studies on Hyphomycetes from Cuba IV. Dematiaceous Hyphomycetes from the Province Pinar del Rio.  Česká Mykologie 40(3): 142-164   (published: 29th August, 1986)
  abstract   Seventy taxa of dematiaceous Hyphomycetes belonging to 44 genera were collected in the Province Pinar del Rio, in the western part of Cuba. An attention was mainly given to the saprophytic microfungi colonizing dead wood and bark of different broad-leaved trees, palms and decaying herbaceous material. Twenty-three hyphomycetes are recorded here for the first time from the Cuban territory, seven taxa of them are described and illustrated as new for science: Corynesporopsis rionensis Hol.-Jech., Monodictys sessilis Hol.-Jech., Pithomyces sumiderensis Hol.-Jech., Pseudospiropes cubensis Hol.-Jech., Sporidesmium dissolvens Hol.-Jech., Mercado et Mena, Virgariella caribensis Hol.-Jech., as new species and Sporidesmium tropicale M. B. Ellis var. cubensis Hol.-Jech. as a new variety. Codinaea lunulospora Hewings et Crane is transferred to Dictyochaeta and Sporidesmium pseudolmediae Castañeda to Corynespora. One typical lignicolous ascomycete Nitschkia acanthostroma (Mont.) Nannfeldt is also added.

HOLUBOVÁ-JECHOVÁ V., MERCADO SIERRA A. (1984): Studies on Hyphomycetes from Cuba II. Hyphomycetes from the Isla de la Juventud.  Česká Mykologie 38(2): 96-120   (published: 1984)
  abstract   Sixty-eight species or varieties of lignicolous and other saprophytic Hyphomycetes belonging to 47 genera are recorded from the Isla de la Juventud (formerly Isla de Pinos). The majority of them are probably common species in subtropic or tropic regions, however, previously unreported from Cuba or adjacent islands in Caribbean area. Some infrequent or rare Hyphomycetes were also collected and 11 new species are described here.

HOLEC J., KŘÍŽ M., POUZAR Z., ŠANDOVÁ M. (2015): Boubínský prales virgin forest, a Central European refugium of boreal-montane and old-growth forest fungi.   [Mt. Boubín, Bohemian Forest, Czech Republic, Basidiomycota, Ascomycota, diversity, ecology, distribution]  Czech Mycology 67(2): 157-226   (published: 10th September, 2015)
  abstract   Boubínský prales virgin forest is the best-preserved montane Picea-Fagus-Abies forest in the Czech Republic. Its core area (46.67 ha), grown with original montane forest never cut nor managed by foresters, has been protected since 1858. It represents the centre of the present-day nature reserve (685.87 ha). A detailed inventory of its fungal diversity was carried out in 2013–2014. Ten segments differing in habitat and naturalness were studied (235 ha). The total number of species was 659, with the centre of diversity in the core area (503 species) followed by the neighbouring segments grown by natural forests minimally influenced by man. When literature and herbarium data are added, the total diversity reaches a total of 792 taxa. The locality represents a unique refugium for some borealmontane fungi (e.g. Amylocystis lapponica, Laurilia sulcata, Pholiota subochracea), a high number of rare species preferring old-growth forests (Antrodia crassa, A. sitchensis, Baeospora myriadophylla, Chrysomphalina chrysophylla, Fomitopsis rosea, Ionomidotis irregularis, Junghuhnia collabens, Skeletocutis odora, S. stellae, Tatraea dumbirensis), wood-inhabiting and mycorrhizal fungi confined to Abies (Panellus violaceofulvus, Phellinus pouzarii, Pseudoplectania melaena, Lactarius albocarneus), and a high number of indicators of well-preserved Fagus forests (e.g.Climacodon septentrionalis, Flammulaster limulatus, Pholiota squarrosoides). Several very rare fungi are present, e.g. Chromosera cyanophylla, Cystoderma subvinaceum and Pseudorhizina sphaerospora. The value of the local mycobiota is further emphasised by the high number of protected and Red List species. Comparison with other Central European old-growth forests has confirmed that Boubínský prales is a mycological hotspot of European importance.

GHATE S.D., SRIDHAR K.R. (2015): Rain-borne fungi in stemflow and throughfall of six tropical palm species.   [Canopy, hyphomycetes, conidia, species richness, diversity, abiotic factors]  Czech Mycology 67(1): 45-58   (published: 29th May, 2015)
  abstract   The present survey documents rain-borne hyphomycetes in stemflow and throughfall of six palm species on the west coast of India during the monsoon season. A total of 61 species were recovered.Irrespective of the palms, throughfall was represented by a higher number of species than stemflow.Pearson correlation was significant and positive between richness of species and conidia with air humidity, air temperature, water temperature and water conductivity. Except for Areca, Shannon diversity was higher in throughfall compared to stemflow. Jaccard’s percent similarity of species in stemflow was lowest between Cocos vs. Roystonea (16%) and highest between Borassus vs. Caryota (55.5%), while in throughfall it was lowest between Areca vs. Livistona (16.7%) and highest between Caryota vs. Cocos and Livistona vs. Cocos (50%).Two-way ANOVA revealed that the richness of species and that of conidia were significantly more dependent on palm species than stemflow or throughfall. The number of rain-borne fungi in palm species exceeded that in the nearby coastal stream with an overlap of about 40%.

LIZOŇ P. (1994): Type specimens of fungi held in the Herbarium of the Slovak National Museum (BRA), Bratislava, Slovakia.   [Fungi, type specimens, BRA]  Czech Mycology 47(3): 193-198   (published: 17th June, 1994)
  abstract   The fungus type collection held in the Slovak National Museum in Bratislava, Slovak Republic, contains 78 designated specimens.

POUZAR Z. (1987): Taxonomic studies in resupinate fungi III.  Česká Mykologie 41(1): 26-28   (published: 16th February, 1987)
  abstract   Six new, interesting species of dematiaceous Hyphomycetes were collected in the Province of Havana in the area of the small hill Loma de la Coca. New species Berkleasmium inflatum, Dischloridium tenuisporum, Eversia parvula, Helicoma divaricata, Pseudobeltrania havanensis and Sporidesmiella angustobasilaris are described and illustrated; they were found to colonize rotten branches of different undetermined broad-leaved trees, decaying petioles of Roystonea regia and dead leaves of Clusia rosea.

HOLUBOVÁ-JECHOVÁ V. (1979): Lignicolous and some other saprophytic Hyphomycetes from Hungary.  Česká Mykologie 33(3): 138-149   (published: 1979)
  abstract   Fifty nine species or varieties of lignicolous and other saprophytic Hyphomycetes belonging to 41 genera are recorded from Hungary. The majority of them are common species, occurring in Europe, however, previously unreported from Hungary. Some of rare and infrequent lignicolous Hyphomycetes were also collected.

HOLUBOVÁ-JECHOVÁ V. (1971): Polyphenoloxidase enzymes from wood-inhabiting Hyphomycetes.  Česká Mykologie 25(1): 23-32   (published: 28th January, 1971)
  abstract   Oxidase tests were applied to 35 wood-inhabiting saprophytic Hyphomycetes to determine their ability to produce polyphenoloxidase enzymes. Most produced laccase, some tyrosinase, and a few peroxidase. The presence of these enzymes, especially tyrosinase, has taxonomic significance. This is the first report of such enzymes in Hyphomycetes.

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