Coll. SCL4825 (OSC)
© S. Loring | | | | | |
Dissingia crassitunicata (N.S. Weber) T. Schumach. & Skrede, Persoonia, 42: 198 (2019).
Basionym Helvella crassitunicata N.S. Weber, Beih. Nova Hedwigia, 51: 30 (1975).
Diagnosis Apothecium 14 cm latum, 0.8-3.5 cm altum, cupulatum vel planum. Hymenium "Bister", "Mummy Brown", vel "Smoky Gray". Pagina sterilis colorata simulis hymenio, vel versu stipitem palescenta pruinosa, costata vel plicata; costae obtusae. Margo curvus vel rectus, integer vel laceratus. Stipes usque 2 cm longus, costatus, costae rotundae, pruinosus, albus vel cremeum costatus; costae obtusae. Sporae 23-26(-28) × 13.5-15 µ, oblongae vel ellipsoidae. Paraphyses apicibus 5-8 µ clavato-incrassatis, brunneolae; paries hypharum plerumque 1-1.5 µ crassus. Asci "aporhynchous", 300-360 × 18-23 µ. Ad terram sub silvis coniferus.
Holotypus: Narada Falls, Mount Rainier National Park, Washington, 10 Aug 1948, A.H. Smith 30053 (MICH).
Type MICH 11561 - holotypus
MycoBank 829092
Literature
Abbott S.P., Currah R.S. 1997. The Helvellaceae: systematic revision and occurrence in Northern and Northwestern North America. Mycotaxon, 62: 1-125.
Hansen K., Schumacher T., Skrede I., Huhtinen S., Wang X.-H. 2019. Pindara revisited – evolution and generic limits in Helvellaceae. Persoonia, 42: 186-204.
Landeros F., Iturriaga T., Guzmán-Dávalos L. 2012. Type studies in Helvella (Pezizales) 1. Mycotaxon, 119: 35-63.
Skrede I., Carlsen T., Schumacher T. 2017. A synopsis of the saddle fungi (Helvella: Ascomycota) in Europe – species delimitation, taxonomy and typification. Persoonia, 39: 201-253.
Weber N.S. 1975. Notes on western species of Helvella. I. Beihefte zur Nova Hedwigia, 51: 25-38.
Classification: Helvellaceae, Dissingia
Created on 03/03/2020.
Updated on 11/08/2023.
