Herpothallon capilliferum P.F.Chen & L.L.Zhang
- Dataset
- GBIF Backbone Taxonomy
- Rank
- SPECIES
- Published in
- (2022). In Chen, Liu, Xie & Zhang, Phytotaxa 536(1): 84.
Classification
- kingdom
- Fungi
- phylum
- Ascomycota
- class
- Arthoniomycetes
- order
- Arthoniales
- family
- Arthoniaceae
- genus
- Herpothallon
- species
- Herpothallon capilliferum
biology_ecology
Ecology and distribution: — The new species was found growing on Nyssa sinensis Oliv., in Dayang Lake Nature Reserve of Zhejiang Province. Specimen examined: — CHINA. Zhejiang: Lishui City, Jingning County, Dayang Lake Nature Reserve. 1405.34 m elev., on bark of Nyssa sinensis Oliv., 3 December 2020, C. G. Zhao & L. L. Zhang 20200808, 20200809 (SDNU). Note: — This species is characterized by pseudisidia with many projecting hyphae and the presence of norstictic acid as a major secondary metabolite. Herpothallon coralloides Jagadeesh (2014: 40) is also pseudoisidiate and contains norstictic acid, but it has a pale green to whitish grey thallus that also contains confluentic acid and much larger pseudisidia (up to 1.0 × 0.1 mm) that are felty, but without projecting hyphae (Jagadeesh 2014). The morphologically most similar species is Crypthonia albida (Fée) Frisch & G. Thor (2010: 290) but C. albida contains psoromic acid and pseudisidia that are larger (up to 1.0 × 0.5 mm). Another morphologically similar species is H. minimum Aptroot & Lücking (2009: 53), it is the only known Herpothallon species that produces 2 ’ - O-methylperlatolic acid (Aptroot et al. 2009).
description
Description: — Thallus corticolous, up to 4 cm in diam., loosely appressed to the substrate, sometimes flaking off, minutely felty, dull, pale mineral grey to olivaceous green; in section up to 100 µm thick, with abundant calcium oxalate crystals throughout the thallus. Hypothallus whitish, byssoid, composed of 1 – 2 µm wide hyphae. Prothallus up to 1 mm broad, byssoid, composed of interwoven and radiating hyphae, whitish. Pseudisidia numerous, irregular, globose, unbranched, byssoid, with abundantly projecting hyphae, mostly white but sometimes green in parts, up to 0.4 × 0.2 mm. Photobiont Trentepohlia, single to aggregated, cells globose, 7 – 10 × 5 – 7 µm, yellowish green. Asci and pycnidia not seen. Chemistry and spot tests: — Thallus and prothallus K + yellow and then red, C –, P + yellow, I –. TLC: norstictic acid.
etymology
Etymology: — The epithet “ capilliferum ” refers to the hair-like appearance of pseudisidia.
materials_examined
Type: — CHINA. Zhejiang: Lishui City, Jingning County, Dayang Lake Nature Reserve. 1405.34 m elev., 27 ° 52 ′ 11.43 ″ N, 119 ° 43 ′ 51 ′′ E, on bark of Nyssa sinensis Oliv., 3 December 2020, C. G. Zhao & L. L. Zhang 20200807 (Holotype in SDNU).