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RUBROBOLETUS|satanas":
3 articles found in Index.
JANDA V., KŘÍŽ M. (2016): Rubroboletus satanas f. crataegi, validly published name for xanthoid form of Rubroboletus satanas. [Boletus satanas, nomenclature, taxonomy] Czech Mycology 68(1): 109-110 (published: 6th June, 2016)
abstract
The name Rubroboletus is a validly published generic name for the group of boletes including Boletus satanas. Its xanthoid form, Boletus satanas f. crataegi, is validly transferred to the genus Rubroboletus with the aim of correcting two invalid earlier attempts.
JANDA V., KŘÍŽ M., KOLAŘÍK M. (2019): Butyriboletus regius and Butyriboletus fechtneri: typification of two well-known species [lectotype, epitype, nomenclature, taxonomy, Czech Republic] Czech Mycology 71(1): 1-32 (published: 2nd January, 2019)
abstract
The paper deals with type material of two species of the genus Butyriboletus, which were described from the Czech Republic, originally as Boletus regius (Krombholz 1983) and Boletus fechtneri (Velenovský 1922). For both species lectotypes are designated, for B. fechtneri also an epitype. The authors present macro- and microscopic descriptions of these species based on the study of rich material including collections from the area of the type localities. Characters distinguishing both species from similar taxa are discussed.
JANDA V., KŘÍŽ M., KONVALINKOVÁ T., BOROVIČKA J. (2017): Macroscopic variability of Rubroboletus legaliae with special regard to Boletus spinarii. [Boletus legaliae f. spinarii, ITS sequence data, neotype, epitype, Czech Republic] Czech Mycology 69(1): 31-50 (published: 12th May, 2017)
abstract
The paper deals with the macroscopic variability of Rubroboletus legaliae. A detailed macroscopic description of this species is presented, based on collections from the region of the type locality in Central Bohemia. An epitype is selected because of the age and insufficient representativeness of the holotype. The authors point out that Boletus spinarii, a species described by Hlaváček from South Bohemia as a member of the B. regius complex (genus Butyriboletus at present), is conspecific with the previously described Boletus legaliae (genus Rubroboletus at present); therefore the name B. spinarii is a synonymous name. The alleged distinguishing character of B. spinarii – orange, cinnabar to brick-red pores when young, soon changing colour to orange-yellow or yellow – is occasional according to our long-term field observations, caused possibly by external factors and not fixed within individual mycelia of R. legaliae. The taxonomic value of this deviation is not important enough to consider a separate taxon. Comparison of ITS rDNA sequences supports the conspecifity of both species. Although the name B. spinarii was validly published, the holotype was not deposited in the herbarium designated in the protologue. Therefore, a neotype is designated here.
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