Urtica urens L.
(Small Nettle)

Interactions where Urtica urens 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
is parasitised by Foreign Erysiphe urticae Nettle Mildew Erysiphales: Erysiphaceae An Introduction to British Powdery Mildews, Ing, B., 1990
 /Fungi/Ascomycota/Leotiomycetes/Erysiphales/Erysiphaceae/Erysiphe urticae/Erysiphe urticaenettle mildew Foodplant / parasiteForeign /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettle parasitises
(live) live is parasitised by sporangium UK/IrelandRestricted Peronospora debaryi a downy mildew Peronosporales: Peronosporaceae Fungi of the South East England, Dennis, R.W.G., 1995
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
 /Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora debaryi/Peronospora debaryia downy mildewsporangium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettleliveSole sporangium parasitises live
(live) live is parasitised by aecium Puccinia urticata var urticae-acutae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-acutae/Puccinia urticata var. urticae-acutaea nettle clustercup rustaecium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive aecium parasitises live
(live) live is parasitised by pycnium Puccinia urticata var urticae-acutae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-acutae/Puccinia urticata var. urticae-acutaea nettle clustercup rustpycnium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive pycnium parasitises live
(live) live is parasitised by aecium Puccinia urticata var urticae-acutiformis a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-acutiformis/Puccinia urticata var. urticae-acutiformisa nettle clustercup rustaecium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive aecium parasitises live
(live) live is parasitised by pycnium Puccinia urticata var urticae-acutiformis a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-acutiformis/Puccinia urticata var. urticae-acutiformisa nettle clustercup rustpycnium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive pycnium parasitises live
(live) live is parasitised by aecium Puccinia urticata var urticae-flaccae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-flaccae/Puccinia urticata var. urticae-flaccaea nettle clustercup rustaecium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive aecium parasitises live
(live) live is parasitised by pycnium Puccinia urticata var urticae-flaccae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-flaccae/Puccinia urticata var. urticae-flaccaea nettle clustercup rustpycnium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive pycnium parasitises live
(live) live is parasitised by aecium UK/Ireland Puccinia urticata var urticae-hirtae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-hirtae/Puccinia urticata var. urticae-hirtaea nettle clustercup rustaecium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive aecium parasitises live
(live) live is parasitised by pycnium UK/Ireland Puccinia urticata var urticae-hirtae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-hirtae/Puccinia urticata var. urticae-hirtaea nettle clustercup rustpycnium Foodplant / parasiteUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive pycnium parasitises live
(live) live is parasitised by pycnium Puccinia urticata var urticae-inflatae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-inflatae/Puccinia urticata var. urticae-inflataea nettle clustercup rustpycnium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive pycnium parasitises live
(live) live is parasitised by aecium Puccinia urticata var urticae-inflatae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-inflatae/Puccinia urticata var. urticae-inflataea nettle clustercup rustaecium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive aecium parasitises live
(live) live is parasitised by aecium Puccinia urticata var urticae-ripariae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-ripariae/Puccinia urticata var. urticae-ripariaea nettle clustercup rustaecium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive aecium parasitises live
(live) live is parasitised by pycnium Puccinia urticata var urticae-ripariae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-ripariae/Puccinia urticata var. urticae-ripariaea nettle clustercup rustpycnium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive pycnium parasitises live
(live) live is parasitised by pycnium Puccinia urticata var urticae-vesicariae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-vesicariae/Puccinia urticata var. urticae-vesicariaea nettle clustercup rustpycnium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive pycnium parasitises live
(live) live is parasitised by aecium Puccinia urticata var urticae-vesicariae a nettle clustercup rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata var. urticae-vesicariae/Puccinia urticata var. urticae-vesicariaea nettle clustercup rustaecium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive aecium parasitises live
leaf (live, yellowed) live, yellowed leaf may be infected and damaged by hypophyllous colony Rare Pseudoperonospora urticae a downy mildew Peronosporales: Peronosporaceae Fungi of the South East England, Dennis, R.W.G., 1995
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Pseudoperonospora urticae/Pseudoperonospora urticaea downy mildewhypophyllouscolony Foodplant / pathogen /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelive, yellowedleafRare (9 & 5)hypophyllous colony infects and damages live, yellowed leaf
leaf (live) live leaf is parasitised by amphigenous, greyish white, punctiform to subeffuse caespituli of Ramularia anamorph Foreign Mycosphaerella superflua an ascomycete Capnodiales: Mycosphaerellaceae Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998
 /Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Mycosphaerella superflua/Mycosphaerella superfluaan ascomyceteamphigenous, greyish white, punctiform to subeffusecaespituliRamularia anamorph Foodplant / parasiteForeign /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettleliveleaf amphigenous, greyish white, punctiform to subeffuse caespituli of Ramularia anamorph parasitises live leaf
leaf (live) live leaf has leaves shot holed by immersed, epiphyllous, numerous, greyish-brown pycnidium of Septoria coelomycetous anamorph UK/Ireland Septoria urticae a leaf-spot fungus Capnodiales: Mycosphaerellaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935
 /Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Septoria urticae/Septoria urticaea leaf-spot fungusimmersed, epiphyllous, numerous, greyish-brownpycnidiumSeptoria coelomycetous anamorph Foodplant / shot hole causerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettleliveleaf (5-8)immersed, epiphyllous, numerous, greyish-brown pycnidium of Septoria coelomycetous anamorph causes shot holes on live leaf
leaf (live) live leaf is spotted by immersed, epiphyllous, numerous, greyish-brown pycnidium of Septoria coelomycetous anamorph UK/Ireland Septoria urticae a leaf-spot fungus Capnodiales: Mycosphaerellaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935
 /Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Septoria urticae/Septoria urticaea leaf-spot fungusimmersed, epiphyllous, numerous, greyish-brownpycnidiumSeptoria coelomycetous anamorph Foodplant / spot causerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettleliveleaf (5-8)immersed, epiphyllous, numerous, greyish-brown pycnidium of Septoria coelomycetous anamorph causes spots on live leaf
leaf (live) live leaf is galled by mostly hypophyllous aecium Puccinia urticata Nettle Clustercup Rust Pucciniales: Pucciniaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata/Puccinia urticatanettle clustercup rustmostly hypophyllousaecium Foodplant / gall /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettleliveleaf (early Spring)mostly hypophyllous aecium causes gall of live leaf
leaf (live) live leaf is parasitised by pycnium Puccinia urticata Nettle Clustercup Rust Pucciniales: Pucciniaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata/Puccinia urticatanettle clustercup rustpycnium Foodplant / parasite /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettleliveleaf (early Spring)pycnium parasitises live leaf
stem node stem node may contain larva Questionable Taeniapion urticarium a seed weevil Coleoptera: Apionidae Orthocerous Weevils, Morris, M.G., 1990
 /Animalia/Arthropoda/Insecta/Coleoptera/Apionidae/Taeniapion urticarium/Taeniapion urticariuma seed weevillarva Foodplant / internal feeder /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettle?stem node larva feeds within stem node
stem (live) live stem is galled by aecium Puccinia urticata Nettle Clustercup Rust Pucciniales: Pucciniaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
Provisional Keys to British Plant Galls, Stubbs, F.B. (Editor), 1986
 /Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Puccinia urticata/Puccinia urticatanettle clustercup rustaecium Foodplant / gall /Plantae/Tracheophyta/Magnoliopsida/Rosales/Urticaceae/Urtica urens/Urtica urenssmall nettlelivestem (early Spring)aecium causes gall of live stem

Author & YearTitleSource
Braun, U., 1998Monograph of Cercosporella, Ramularia and Allied Genera - Vol IIPhytopathogenic Hyphomycetes, 2, 493pp, IHW-Verlag
Dennis, R.W.G., 1995Fungi of the South East England383pp, Royal Botanic Gardens, Kew
Ellis, M.B. & J.P., 1997Microfungi on Land Plants: An Identification Handbook2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Grove, W.B., 1935British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidiaVol I, 488pp, Cambridge University Press
Ing, B., 1990An Introduction to British Powdery MildewsMycologist Vol 4 (1) et seq.
Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005Checklist of the British and Irish Basidiomycota517pp, Royal Botanic Gardens, Kew
Morris, M.G., 1990Orthocerous WeevilsHandbooks for the Identification of British Insects, Vol 5 Part 16, 108pp, The Royal Entomological Society of London
Preece, T.F., 2002A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles33pp, British Mycological Society
Stubbs, F.B. (Editor), 1986Provisional Keys to British Plant Galls95pp, British Plant Gall Society (BPGS)

Urtica urens (Small Nettle) may also be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesUrtica urens (Small Nettle)
GenusUrtica (nettles)
FamilyURTICACEAE (nettles)
OrderROSALES (roses, elms, nettles, hops, buckthorns and figs)
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 Urtica urens (Small Nettle)

Urtica urens (Small Nettle) may be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Urtica urens (Small Nettle):

BioImagesBioImages (www.bioimages.org.uk) has 6 images of Urtica urens (Small Nettle)
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