PHYTOLOGIA BALCANICA 19 (1): 3 – 5, Sofia, 2013 3

Hyphoderma etruriae (, ): a rare corticioid collected in Macedonia

Mitko Karadelev1 & Lidija Koteska2

1 Institute of Biology, Faculty of Natural Science and Mathematics, Arhimedova 5, 1000 Skopje, Macedonia, e-mail: [email protected] 2 Macedonian Mycological Society, Arhimedova 5, 1000 Skopje, Macedonia, e-mail: [email protected] (corresponding author) Received: November 30, 2012 ▷ Accepted: March 15, 2013

Abstract. etruriae has been collected on rotten wood of Greek juniper (Juniperus excelsa) in the southeastern part of Macedonia. This very rare species belongs to the family Meruliaceae and is known only from Italy.

Key words: Basidiomycota, corticioid, Greek juniper, Hyphoderma etruriae, Macedonia

Introduction Material and methods

During field work focused on fungi occurring in The relevant morphological and ecological char- around the Chalakli village, a specimen of Hyphoder- acteristics of the sample have been recorded and ma etruriae Bernicchia has been collected. The spe- the specimen has been photographed in its natu- cies belongs to the family Meruliaceae (). ral habitat. The sample has been taken to the lab- The basidiocarp of the species is resupinate, adnate; oratory for further research. The required macro- hymenophore, whitish to cream coloured, grandin- scopic and microscopic measurements have been ioid, with small sparse granules; the hyphal system is obtained by use of a ruler, light microscope and mi- monomitic, hyphae are hyaline and without clamps. crometres. Microphotographs have been taken us- Cystidia are tubular and capitate, basidiospores cy- ing a LW Scientific microscope and MiniVID cam- lindrical-ellipsoid, not staining in Melzer’s reagent. era. The material has been examined under light Bernicchia (1993) described this corticioid spe- microscope in Melzer reagent and KOH 5 %. Thirty cies collected from the Burano Reserve in Southern spores have been measured, and the measurements Tuscany. The species was found for the first time in have been done in Melzer’s reagent or 5 % potas- the dune area of the reserve, from late autumn to late sium hydroxide (KOH). Identification has been spring, in a hollow caused by an old wound on dead conducted by referring to Bernicchia and Gorjon wood of a living Juniperus phoenicea L. According (2010). The material has been stored at the Mac- to the known distribution, Hyphoderma etruriae is edonian Mycological Collection (MCF) housed at a very rare species, recorded only a few times in Ita- the Faculty of Natural Sciences and Mathematics in ly from Tuscany, Apulia, Sicily, and Sardinia regions, Skopje, Macedonia. and growing on Juniperus macrocarpa Sibth. & Sm. or J. phoenicea (Bernicchia & Gorjon, 2010). 4 Karadelev, M. & Koteska, L. • Hyphoderma etruriae in Macedonia

Results in groups, capitate, thin-walled, considerably project- ing from hymenophore, lower part of cystidium tubu- The material has been collected on rotten wood of Juni- lar, 20–45 × 2 µm, apex globose, 4–6 µm in diam. Nu- perus excelsa (M. Bieb.) Ant. from Chalakli village, Va- merous encrusted hyphal ends in the and landovo municipality, situated in the southeastern part subhymenium, encrusted apical part approximately of the country (Fig. 1). The forest consists purely of J. 11–18 µm long and 3 µm wide. Basidia subcylindri- excelsa. The altitude of the locality where Hyphoderma cal-clavate 25–39 × 6–8 µm, filled with oily substance, etruriae has been collected is approximately 200 m. The with four sterigmata, without a basal clamp. Spores species was collected on 18th November 2003. cylindrical-ellipsoid, smooth, thin-walled, hyaline, The fruitbody is fully resupinate, tightly attached with oil drops or irregular oily bodies in the proto- to the substrate, effused, cream-coloured, forming plasm, not staining in Melzer’s reagent (Fig. 3). thin patches several centimetres large, surface grand- inioid with small sparse granules, margin thin, not es- pecially differentiated, effused, byssoid then continu- ous, cream-coloured (Fig. 2).

Fig. 1. Map of known distribution of Hyphoderma etruriae.

Fig. 2. Fruitbody of Hyphoderma etruriae.

The hyphal system is monomitic, the hyphae hy- aline, thin-walled, 1–3 µm wide, richly branched and irregularly interwoven, difficult to observe because of Fig. 3. Hyphoderma etruriae – microscopic features: B) Basidia, the abundant crystalline encrustation. Cystidia usually C) Cystidia, H) Hyphal ends, and S) Spore. Phytol. Balcan. 19(1) • Sofia • 2013 5

Spore dimensions of the studied specimen (µm): (1993), it is a well-distinguished species, microscopi- L L* W W* Q Q* cally similar only to Hyphoderma orphanellum (Bour- 8.8–14.7 11.8 4.9–6.9 5.9 1.8–2.1 2 dot & Galzin) Donk. L = length; W = width; Q = range of variation in L/W ratio; L* = mean length; W* = mean width; Q* = quotient of the mean spore length and mean spore width. References

Bernicchia, A. 1993. Hyphoderma etruriae sp. nov. (Corticiaceae, Hyphoderma etruriae differs from the other species Basidiomycetes) from the natural reserve of Burano, Italy. – of the same by its grandinioid hymenophore, Mycotaxon, 46: 37-40. capitate cystidia, encrusted cystidial hyphal ends and Bernicchia, A. & Gorjon S.P. 2010. Corticiaceae s.l. Fungi Europaei cylindrical ellipsoid spores. According to Bernicchia n° 12. Edizioni Candusso, Italia.