Dictyocoprotus mexicanus

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Dictyocoprotus mexicanus J.C. Krug & R.S. Khan, Mycologia, 83 (1): 103 (1991).

 

Basionym Dictyocoprotus mexicanus J.C. Krug & R.S. Khan, Mycologia, 83 (1): 103 (1991).

Diagnosis Apothecia dispersa aut raro aggregata, superficialia, sessilia, levia, 250-550 µm diametris crassa, primum globosa, deinde discoidea vel patelliformia, albida vel flavida. Excipulum iodo non rufescentes, ex ectale excipulum textura angulari et excipulum medullare textura intricata compositum. Asci protrudentes, operculati, iodo non caerulescentes, 'Congo red' aequabiliter tincti, octospori, cylindracei, 60-95 × 9-15 µm magni, in apice truncati vel rotundati, basin versus in stipitem breviorem attenuati. Paraphyses filiformes, simplices, hyalinae, septatae, 1.0-1.6 µm diametris crassae, in apice leviter vesiculares et uncinatae. Ascosporae uniseriales deinde irregulariter biseriales, unicellulares, ellipsoideae, (7.5-)8.0-10(-10.5) × (5.5-)6.0-7.5(-8.0) µm magnae, hyalinae vel pallide flavidae, primum laeves, maturitate confirmata subtiliter reticulatae, bullam unam exhibentes, sine vagina gelatinosa.
Holotypus: In fimo rodentium lectus est, apud locum Punta Santa Tomas vocatum, circa 50 m alt., in Baja California finibus reipublicae Mexicanae, 31°33'30" N, 116°42’ W, 2 Jan. 1989, Krug BJ-13a, In Torontoensis universitatis Cryptogamarum herbario.

Type Krug BJ-13a (TRT) - holotypus

MycoBank 128242

 

Literature
Krug J.C., Khan R.S. 1991. Dictyocoprotus, a new genus of the Pyronemataceae with reticulated ascospores. Mycologia, 83 (1): 103-106.

Classification: Pyronemataceae, Dictyocoprotus


Created on 19/04/2016.

Updated on 07/08/2023.

Distribution

Collections List

[MX] Punta Santo Tomás
 
2/01/1989, leg. J.C. Krug
Krug BJ-13a (TRT)
Source: Ascomycete.org
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