Assembling the Fungal Tree of Life

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Phylum Subphylum Class Subclass Order Family Genus Species Anamorph
Ascomycota Pezizomycotina Leotiomycetes Leotiomycetidae Helotiales Sclerotiniaceae Sclerotinia borealis
AuthorityBubak & Vleugel



Septum / Pore Cap

Cell type: (XN) mycelium of unknown nuclear status

Component: Hypha excluding ascogenous hypha/ascus

CharacteristicStateCodeImages
Uniperforate septa a single central pore 1 Images
Uniperforate septal pore margin unelaborated margin 1 Images
Protruding non-membrane-bound bodies associated with septal pore(s) absent 0 Images
Membrane-bound bodies associated with septal pore(s) Woronin bodies 1 Images
Membranous structures associated with septal pore(s) absent 0 Images
Non-membrane-bound, electron-dense bodies associated with septal pore(s) absent 0 Images
Septal pore occlusion thin non-membranous, non-continuous electron-dense material associated with septal swellings (Agaricomycotina) 2  
Woronin body type hexagonal 2 Images
Septal pore cap basic structure pore cap absent 0 Images
Detailed structure of elaborated septal pore cap elaborated cap absent 0 Images
Detailed structure of simple septal pore cap simple cap absent 0 Images
Saccules of elaborated pore cap lined with external electron-dense layer absent 0  
Substructure of pore cap absent 0  
Zone of organelle exclusion at pore absent 0 Images
Pore cap enclosed by endoplasmic reticulum absent 0 Images
Multiperforate septum multiperforate septum absent 0 Images
Sources
Notes Low magnification, hard to see Woronin body and pore occlusion details.
Character Quality Good
Fixation glutaraldehyde with osmium postfix
Study Complete No
Author Kohn, L.M. and Grenville, D.J.
Date 1989
Source Can. J. Bot. 67:394-406
Synonym genus Myriosclerotinia
Synonym species borealis
Synonym authority (Bubak & Vleugel) L.M. Kohn
Collector Ward
Collector no. 51
Source of character Culture LMK 13

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