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Rnamentation is similar to that observed in H. samuelsii, while in H. rosellus the ascospores are covered with fine low warts (Fig. 2). Moreover, ascospore length covers the variety observed within the type specimens of H. odoratus and H. virescens, teleomorphs of which have been observed only in culture. On the other hand, these two species differ in the described specimens at NY and BPI in smaller mean width of ascospores (Fig. three), less prominent ascospore ornamentation and larger perithecia. 4 specimens at NY differ from the remaining collections in obtaining ivory to buff, dense cottony subiculum with contrasting deep purplish red perithecia. These have been collected in the West Indies (Dominica), Guyana, and Puerto Rico, all growing on Rigidoporus sp. Their ascospore morphology and measurements, (19.0)1.95.6(9.0) (five.0).three.0(.0) m, Q = (two.83.four.four(.0), present no distinction from H. samuelsii. However, the conidia (seen only in Setliff 1249), remind those of C. cubitense. In contrast, another specimen collected on Datronia mollis in Panama (Dumont-PA 2018) comprises ascospores that deviate from all other red perithecial Hypomyces. These resemble ascospores of H. rosellus but are even larger, measuring (31.0)34.five(eight.0) (5.56.1.five m. Whether these collections BET-IN-1 represent two undescribed species or teleomorphs of recognized anamorphic species has to await furher collecting in conjunction with isolation of pure cultures. None of the old specimens have been inoculated into pure culture but anamorph structures were in some cases observed in close proximity to the teleomorphs. Apart from the collection on Rigidoporus sp., described above, the fusiform 3-septate conidia permitted their identification as H. samuelsii. Cylindrical-ellipsoidal 3-septate conidia and conidiogenous cells with a sympodial rachis at their apex, characteristic of H. rosellus, had been not observed in any on the collections. Neither could the long chains of 1-septate cylindrical conidia made from retrogressively proliferating conidiogenous cells be found, recognized only in H. odoratus. In conclusion, the collections without the need of and those with cultures deliver no evidence on the occurrence of H. odoratus or H. rosellus in PubMed ID:http://www.ncbi.nlm.nih.gov/pubmed/21258973 the tropics. Among the five teleomorphs described within this paper, those of H. samuelsii and H. virescens originate from tropical America. Along with these two quite comparable teleomorphs, anamorphic Cladobotryum cubitense, C. heterosporum and C. semicirculare, happen to be located in Cuba. An immature teleomorph of C. cubitense was discovered accompanying the anamorph inside a collection from Louisiana, USA, and it really is most likely that teleomorphs of the other two also develop within this area. As in other groups of fungi with limited variation in teleomorphs, old collections lacking anamorph data can not normally be unambiguously identified to species. Even so, contemplating the frequency from the recent samples of morphologically similar H. samuelsii and also the truth that the teleomorphs of H. virescens and the three Cladoboryum species have in no way been found in nature, it is most likely that large part of the historical collections from tropical America represent H. samuelsii. colony reverse turning yellow in a couple of days. Usually in two wk, based on the mediumbrand and conditions, the colonies turn intensely red. The pigment, presumably aurofusarin in all these species, is most abundantly formed in submerged hyphae. Under the microscope, the colouration appears crimson to reddish or yellowish ochraceous, usually turning purple in.

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