Pyrenochaeta terrestris (H.N. Hansen) Gorenz, J.C. Walker & Larson
(Pink Root Of Onion - causative organism)

Interactions where Pyrenochaeta terrestris is the dominant partner and gains from the process

The following relationships have been collated from the published literature (see 'Interaction References').

Stage Summary Taxon Vernacular Classification References Darwin Classification of Active Taxon Active Taxon Active Vernacular Active Taxon Uncertain Active State Active Part Active Stage Relationship Relationship Uncertain Relationship Geography Darwin Classification of Passive Taxon Passive Taxon Passive Vernacular Passive Taxon Uncertain Passive State Passive Part Passive Stage Passive Taxon's significance to Active Taxon Indoors etc Season
phoma anamorph (usually solitary, immersed, then erumpent) usually solitary, immersed, then erumpent pycnidium of phoma anamorph infects and damages root Allium ampeloprasum Wild Leek Asparagales: Amaryllidaceae Pyrenochaeta terrestris, Punithalingam, E. & Holliday, P., 1998
/Fungi/Ascomycota/Pyrenochaeta terrestris/Pyrenochaeta terrestrispink root of onion (causative organism)usually solitary, immersed, then erumpentpycnidiumphoma anamorph Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium ampeloprasum/Allium ampeloprasumwild leekroot
phoma anamorph (usually solitary, immersed, then erumpent) usually solitary, immersed, then erumpent pycnidium of phoma anamorph infects and damages root UK/IrelandMajor Allium cepa Onion Asparagales: Amaryllidaceae Pyrenochaeta terrestris, Punithalingam, E. & Holliday, P., 1998
/Fungi/Ascomycota/Pyrenochaeta terrestris/Pyrenochaeta terrestrispink root of onion (causative organism)usually solitary, immersed, then erumpentpycnidiumphoma anamorph Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium cepa/Allium cepaonionrootMajor
phoma anamorph (usually solitary, immersed, then erumpent) usually solitary, immersed, then erumpent pycnidium of phoma anamorph infects and damages root Allium cepa var aggregatum Multiplier Onion, Shallot Asparagales: Amaryllidaceae Pyrenochaeta terrestris, Punithalingam, E. & Holliday, P., 1998
/Fungi/Ascomycota/Pyrenochaeta terrestris/Pyrenochaeta terrestrispink root of onion (causative organism)usually solitary, immersed, then erumpentpycnidiumphoma anamorph Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium cepa var. aggregatum/Allium cepa var. aggregatummultiplier onion, shallotroot
phoma anamorph (usually solitary, immersed, then erumpent) usually solitary, immersed, then erumpent pycnidium of phoma anamorph infects and damages root Allium fistulosum Welsh Onion Asparagales: Amaryllidaceae Pyrenochaeta terrestris, Punithalingam, E. & Holliday, P., 1998
/Fungi/Ascomycota/Pyrenochaeta terrestris/Pyrenochaeta terrestrispink root of onion (causative organism)usually solitary, immersed, then erumpentpycnidiumphoma anamorph Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium fistulosum/Allium fistulosumwelsh onionroot
phoma anamorph (usually solitary, immersed, then erumpent) usually solitary, immersed, then erumpent pycnidium of phoma anamorph infects and damages root Allium sativum Garlic Asparagales: Amaryllidaceae Pyrenochaeta terrestris, Punithalingam, E. & Holliday, P., 1998
/Fungi/Ascomycota/Pyrenochaeta terrestris/Pyrenochaeta terrestrispink root of onion (causative organism)usually solitary, immersed, then erumpentpycnidiumphoma anamorph Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium sativum/Allium sativumgarlicroot
phoma anamorph (usually solitary, immersed, then erumpent) usually solitary, immersed, then erumpent pycnidium of phoma anamorph infects and damages root Allium schoenoprasum Chives Asparagales: Amaryllidaceae Pyrenochaeta terrestris, Punithalingam, E. & Holliday, P., 1998
/Fungi/Ascomycota/Pyrenochaeta terrestris/Pyrenochaeta terrestrispink root of onion (causative organism)usually solitary, immersed, then erumpentpycnidiumphoma anamorph Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium schoenoprasum/Allium schoenoprasumchivesroot

Author & YearTitleSource
Punithalingam, E. & Holliday, P., 1998Pyrenochaeta terrestrisI.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 397.

Pyrenochaeta terrestris (Pink Root Of Onion - causative organism) may also be included in 'feeds on' relations listed under the following higher taxa:

Pyrenochaeta terrestris (Pink Root Of Onion - causative organism) may be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
Anamorphic SpeciesPyrenochaeta terrestris (Pink Root Of Onion - causative organism)
SpeciesSetophoma terrestris (a fungus)
SubphylumPEZIZOMYCOTINA (a subphylum of ascomycetes)
PhylumASCOMYCOTA (spore shooters, ascomycete)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Pyrenochaeta terrestris (Pink Root Of Onion - causative organism)

Identification Works

Handling & MagnificationAuthorYearTitleSource
Punithalingam, E. & Holliday, P. 1998 Pyrenochaeta terrestris I.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 397.

Pyrenochaeta terrestris (Pink Root Of Onion - causative organism) may also be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Pyrenochaeta terrestris (Pink Root Of Onion - causative organism):

Creative Commons License
This website is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Licence.

Unless otherwise expressly stated, all original material on the BioInfo website by Malcolm Storey is licensed under the above Creative Commons Licence.

BioInfo - Wildlife Information (UK)