Amaranthus retroflexus L.
(Common Amaranth)

Interactions where Amaranthus retroflexus is the victim or passive partner (and generally loses out from the process)

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

Filters:

Affected Part 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 Summary
hypocotyl (black, thin) black, thin hypocotyl of seedling may be infected and damaged by embedded oospore Aphanomyces cochlioides a water mould Saprolegniales: Leptolegniaceae Aphanomyces cochlioides, Hall, G., 1980
 /Chromista/Oomycota/Peronosporea/Saprolegniales/Leptolegniaceae/Aphanomyces cochlioides/Aphanomyces cochlioidesa water mouldembeddedoospore Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Amaranthaceae/Amaranthus retroflexus/Amaranthus retroflexuscommon amaranthblack, thinhypocotylseedling embedded oospore infects and damages black, thin hypocotyl of seedling
leaf (live) live leaf is parasitised by sorus UK/Ireland Wilsoniana bliti Amaranth White Rust Albuginales: Albuginaceae New British Records 183: Albugo amaranthi (Schwein.)Kuntze, Spooner, B.M., 2001
A revision of Albugo (Chromista, Peronosporomycetes), Thines, M. & Spring, O., 2005
White rust species (Chromista, Peronosporomycetes, Albuginales, Albuginaceae) on common weeds in Hungary, Tóth, T. & Kövics, G.J., 2015
 /Chromista/Oomycota/Peronosporea/Albuginales/Albuginaceae/Wilsoniana bliti/Wilsoniana blitiamaranth white rustsorus Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Amaranthaceae/Amaranthus retroflexus/Amaranthus retroflexuscommon amaranthliveleaf sorus parasitises live leaf
stem base (live, blackened) live, blackened stem base of seedling may be infected and damaged by embedded oospore Aphanomyces cochlioides a water mould Saprolegniales: Leptolegniaceae Aphanomyces cochlioides, Hall, G., 1980
 /Chromista/Oomycota/Peronosporea/Saprolegniales/Leptolegniaceae/Aphanomyces cochlioides/Aphanomyces cochlioidesa water mouldembeddedoospore Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Caryophyllales/Amaranthaceae/Amaranthus retroflexus/Amaranthus retroflexuscommon amaranthlive, blackenedstem baseseedling embedded oospore infects and damages live, blackened stem base of seedling

Author & YearTitleSource
Hall, G., 1980Aphanomyces cochlioidesI.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 972.
Spooner, B.M., 2001New British Records 183: Albugo amaranthi (Schwein.)KuntzeMycologist Vol 15 (2): 74.
Thines, M. & Spring, O., 2005A revision of Albugo (Chromista, Peronosporomycetes)Mycotaxon 92: 443-458.
Tóth, T. & Kövics, G.J., 2015White rust species (Chromista, Peronosporomycetes, Albuginales, Albuginaceae) on common weeds in HungaryJournal of agricultural sciences, Debrecen Vol 66: 30-33.

Amaranthus retroflexus (Common Amaranth) may also be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesAmaranthus retroflexus (Common Amaranth)
GenusAmaranthus (amaranths, pigweeds)
FamilyAMARANTHACEAE (goosefoots, oraches, glassworts, amaranths & pigweeds)
OrderCARYOPHYLLALES (pinks, goosefoots and docks)
SubclassEU-DICOTS (dicotyledonous flowering plants)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Amaranthus retroflexus (Common Amaranth)

Identification Works

Handling & MagnificationAuthorYearTitleSource
Easy, G.M.S. 1979 Amaranthus species in Cambridgeshire: a preliminary examination BSBI News Vol 22: 17-20.

Amaranthus retroflexus (Common Amaranth) may also be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Amaranthus retroflexus (Common Amaranth):

BioImagesBioImages (www.bioimages.org.uk) has 24 images of Amaranthus retroflexus (Common Amaranth)
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