Irpex rosettiformis C.C. Chen & Sheng H. Wu, 2021

Zambrano-Forero, Cristian J, Davila-Giraldo, Lina R, Motato-Vasquez, Viviana, Villanueva, Paula X, Rondon-Barragan, Iang S & Murillo-Arango, Walter, 2023, Diversity and distribution of macrofungi (Ascomycota and Basidiomycota) in Tolima, a Department of the Colombian Andes: an annotated checklist, Biodiversity Data Journal 11, pp. 104307-104307 : 104307

Irpex rosettiformis C.C. Chen & Sheng H. Wu, 2021

Materials

Type status: Other material. Occurrence: catalogNumber: ZF40 ; occurrenceID: D7565C6B-44E9-54B2-B6FF-52938A0B1E71; Location: higherGeography: Colombia; Tolima; Municipality of Ibague ; JBSJ; verbatimElevation: 1200 m; verbatimCoordinates: 4°27'06.7"N 75°13'19.8"W; Event: eventDate: 22 Sep 2019; Record Level: collectionCode: FUT Type status: Other material. Occurrence: catalogNumber: LRD145 ; occurrenceID: A317F480-433B-5DC4-B221-DE91DDFA20D6; Location: higherGeography: Colombia; Tolima; Municipality of Líbano; main park; verbatimElevation: 1580 m; verbatimCoordinates: 4°55'21.9"N 75°03'53.6"W; Event: eventDate: 29 Sep 2019; Record Level: collectionCode: FUT

Notes

This species is recognised for having irregular and incised basidiomes, in addition to having generative hyphae with simple septa, subglobose basidiospores and the absence of cystidia. This is the first record of the species for Tolima.

Diagnosis

Basidiome pileate, yellowish-white, irregular, as rosettes, upper surface velutinate, with small stipe (Fig. 1 H). Pore surface papillate. Hyphal structure monomitic, with generative hyphae with simple septa. Basidiospores ellipsoid to subglobose, hyaline, thin-walled, 4.1-4.7 × 3.0-3.6 μm.

Figures

Figure 1. Fresh basidiomata of species as new records for the Department of Tolima. A Basidiomata of Nigelia martialis (ZF 27); B Basidiomata of Macrocybe titans (LRD 150); C Basidiomata of Auricularia fuscosuccinea (LRD 36); D Basidiomata of Protomerulius caryae (LRD 117); E Basidiomata of Dacryopinax spathularia (PXVB 10); F Basidiomata of Cotylidia aurantiaca (LRD 138); G Basidiomata of Gloeoporus thelephoroides (LRD 130); H Basidiomata of Irpex rossettiformis (LRD 145); I Basidiomata of Physisporinus lineatus (ZF 35). Scale bars B, C, G = 5 cm; Scale bars A, D, E, F, H, I = 1 cm. Photos by: Cristian Zambrano (A, D, F, G); Lina Davila (B, C); Paula Villanueva (E, H, I).