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Page number:139 
Description type:Latin diagnosis 
Description:Helminthosporium subhyalinum Meng Zhang & T.Y. Zhang, sp. nov.
Mycobank MB510408 figure 2
Ex specimine descripta. Mycelium immersum. Stromata absentia. Conidiophora singularia vel fasciculata, erecta, subcylindrica, recta vel flexuosa, septata, levia, brunnea, interdum apicem versus pallidiora, 120-200 µm longa, ad basim ad 10-12 µm inflata, supra basim 6-8.5 crassa, apice interdum inflata, poris conidiiferis 1-3 ad apicem et infra septa supera praedita. Conidia per poros ad apicem conidiophori et lateraliter infra septa supera oriunda, recta vel leviter flexuosa, tenuiter obclavata, levia, maxime pallentia, 6-9 pseudoseptata, 72-125 (av. 100) µm longa, 9.0-11.5 (av. 10.6) µm crassa, apicem versus ad 2.5-5 µm gradatim attenuata, apicem fuscatis, basi cicatrice atra praedita.
Ex culture descripta. Coloniae in agaro TWA+W velutinae, griseae vel brunneae, effusae. Conidia absentia. In agaro PDA-Charta filtra, sporulantes libere. Mycelium ex hyphis subhyalinis vel brunneis levibus septatis fuscatis 1.5-6.0 µm crassis compositum. Conidia 7-10-pseudoseptata, 54-100 (av. 86) µm longa, 8-10 (av. 8.6) µm crassa, apicem versus ad 2.5-5 µm gradatim attenuata, apicem fuscatis, basi cicatrice atra praedita.
On living leaves of Phoenix hanceana Naud., Guangdong Province, China, Coll. Xiu- Guo Zhang, 9 Oct. 1999, HSAUP 991137, holotype.
Etym.: L., referring to the colour of conidia.
 
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