| afghanistan | | urtica neubaueri | species | 4 | 0 |
| argentina | | urtica magellanica | species | 4 | 0 |
| argentina | | urtica minutifolia | species | 12 | 0 |
| australia | | urtica ferox | species | 3 | 0 |
| australia | | urtica incisa | species | 9 | 0 |
| australia | | urtica urens | species | 2 | 0 |
| australia | queensland | urtica incisa | species | 2 | 0 |
| austria | | urtica dioica subsp. subinermis | subspecies | 4 | 0 |
| bolivia | | urtica pseudomagellanica | species | 4 | 0 |
| brazil | | urtica circularis | species | 8 | 0 |
| brazil | | urtica spatulata | species | 4 | 0 |
| canada | | urtica gracilis | species | 4 | 0 |
| canada | british columbia | urtica dioica | species | 2 | 0 |
| canada | british columbia | urtica gracilis | species | 1 | 0 |
| canada | manitoba | urtica dioica | species | 1 | 0 |
| canada | ontario | urtica dioica | species | 16 | 0 |
| canada | ontario | urtica gracilis | species | 1 | 0 |
| canada | ontario | urtica urens | species | 2 | 0 |
| canada | quebec | urtica dioica | species | 3 | 0 |
| canada | yukon | urtica dioica | species | 2 | 0 |
| chile | | urtica berteroana | species | 8 | 0 |
| chile | | urtica glomeruliflora | species | 8 | 0 |
| chile | | urtica gracilis subsp. mollis | subspecies | 12 | 0 |
| chile | | urtica magellanica | species | 24 | 0 |
| chile | | urtica masafuerae | species | 3 | 0 |
| china | | urtica ardens | species | 4 | 0 |
| china | | urtica atrichocaulis | species | 4 | 0 |
| china | | urtica cannabina | species | 10 | 0 |
| china | | urtica cf. tibetica dickore 3647 | species | 4 | 0 |
| china | | urtica dioica | species | 12 | 0 |
| china | | urtica fissa | species | 21 | 0 |
| china | | urtica hyperborea | species | 8 | 0 |
| china | | urtica laetevirens | species | 3 | 0 |
| china | | urtica laetevirens subsp. dentata | subspecies | 12 | 0 |
| china | | urtica laetevirens subsp. laetevirens | subspecies | 4 | 0 |
| china | | urtica mairei | species | 8 | 0 |
| china | | urtica silvatica | species | 8 | 0 |
| china | | urtica triangularis subsp. pinnatifida | subspecies | 8 | 0 |
| china | | urtica triangularis subsp. triangularis | subspecies | 4 | 0 |
| china | | urtica triangularis subsp. trichocarpa | subspecies | 4 | 0 |
| cyprus | | urtica dioica subsp. cypria | subspecies | 4 | 0 |
| cyprus | | urtica pilulifera | species | 4 | 0 |
| czech republic | | urtica dioica var. angustifolia | varietas | 4 | 0 |
| dominican republic | | urtica domingensis | species | 1 | 0 |
| ecuador | | urtica echinata | species | 4 | 0 |
| ecuador | | urtica leptophylla | species | 4 | 0 |
| ecuador | | urtica longispica | species | 4 | 0 |
| ecuador | | urtica macbridei | species | 4 | 0 |
| ethiopia | | urtica simensis | species | 4 | 0 |
| france | | urtica dioica | species | 1 | 0 |
| germany | | urtica dioica subsp. subinermis | subspecies | 4 | 0 |
| germany | | urtica dioica var. dioica | varietas | 8 | 0 |
| germany | | urtica dioica var. sarmatica | varietas | 8 | 0 |
| germany | | urtica gracilis subsp. holosericea | subspecies | 4 | 0 |
| germany | | urtica kioviensis | species | 8 | 0 |
| germany | | urtica urens | species | 4 | 0 |
| guatemala | | urtica gracilis subsp. aquatica | subspecies | 8 | 0 |
| guatemala | | urtica spirealis | species | 4 | 0 |
| indonesia | | urtica grandidentata | species | 7 | 0 |
| iran | | urtica dioica | species | 1 | 0 |
| israel | | urtica kioviensis | species | 4 | 0 |
| italy | | urtica atrovirens | species | 4 | 0 |
| italy | | urtica dioica | species | 4 | 0 |
| italy | | urtica dioica subsp. pubescens | subspecies | 4 | 0 |
| italy | | urtica gracilis subsp. incaica | subspecies | 4 | 0 |
| italy | | urtica membranacea | species | 4 | 0 |
| italy | | urtica pilulifera | species | 8 | 0 |
| italy | | urtica rupestris | species | 4 | 0 |
| italy | abruzzo region | urtica dioica | species | 0 | 1 |
| italy | lazio region | urtica dioica | species | 0 | 1 |
| italy | marche region | urtica dioica | species | 0 | 1 |
| italy | sardinia autonomous region | urtica atrovirens | species | 4 | 0 |
| italy | sardinia autonomous region | urtica dioica | species | 0 | 1 |
| japan | | urtica platyphylla | species | 8 | 0 |
| japan | | urtica thunbergiana | species | 4 | 0 |
| kazakhstan | | urtica angustifolia | species | 4 | 0 |
| kenya | | urtica massaica | species | 5 | 0 |
| lebanon | | urtica fragilis | species | 4 | 0 |
| mexico | | urtica chamaedryoides | species | 5 | 0 |
| mexico | | urtica dioica var. dioica | varietas | 4 | 0 |
| mexico | | urtica gracilenta | species | 8 | 0 |
| mexico | | urtica gracilis subsp. holosericea | subspecies | 4 | 0 |
| mexico | | urtica mexicana | species | 12 | 0 |
| mexico | | urtica spirealis | species | 16 | 0 |
| mexico | | urtica subincisa | species | 8 | 0 |
| mongolia | | urtica angustifolia | species | 8 | 0 |
| mongolia | | urtica cannabina | species | 4 | 0 |
| new zealand | | urtica aspera | species | 2 | 0 |
| new zealand | | urtica australis | species | 2 | 0 |
| new zealand | | urtica ferox | species | 4 | 0 |
| new zealand | | urtica incisa | species | 12 | 0 |
| new zealand | | urtica linearifolia | species | 1 | 0 |
| new zealand | | urtica perconfusa | species | 2 | 0 |
| new zealand | | urtica sykesii | species | 2 | 0 |
| norway | | urtica dioica subsp. sondenii | subspecies | 4 | 0 |
| pakistan | | urtica dioica | species | 2 | 0 |
| papua new guinea | | urtica papuana | species | 4 | 0 |
| peru | | urtica andicola | species | 4 | 0 |
| peru | | urtica echinata | species | 8 | 0 |
| peru | | urtica flabellata | species | 8 | 0 |
| peru | | urtica gracilis subsp. aquatica | subspecies | 4 | 0 |
| peru | | urtica lalibertadensis | species | 4 | 0 |
| peru | | urtica leptophylla | species | 8 | 0 |
| peru | | urtica peruviana | species | 4 | 0 |
| peru | | urtica trichantha | species | 12 | 0 |
| peru | | urtica urens | species | 4 | 0 |
| peru | | urtica urentivelutina | species | 4 | 0 |
| poland | mazovia province | urtica dioica | species | 1 | 0 |
| portugal | | urtica membranacea | species | 2 | 0 |
| portugal | | urtica morifolia | species | 4 | 0 |
| portugal | | urtica urens | species | 2 | 0 |
| portugal | beja district | urtica membranacea | species | 2 | 0 |
| russia | | urtica laetevirens subsp. laetevirens | subspecies | 8 | 0 |
| south africa | | urtica dioica var. capensis | varietas | 4 | 0 |
| south africa | | urtica lobulata | species | 4 | 0 |
| south africa | the western cape province | urtica urens | species | 1 | 0 |
| spain | | urtica membranacea | species | 8 | 0 |
| spain | | urtica morifolia | species | 4 | 0 |
| spain | | urtica portosanctana | species | 4 | 0 |
| spain | | urtica stachyoides | species | 4 | 0 |
| spain | | urtica urens | species | 4 | 0 |
| spain | balearic islands | urtica bianorii | species | 4 | 0 |
| spain | balearic islands | urtica membranacea | species | 4 | 0 |
| spain | canary islands | urtica morifolia | species | 8 | 0 |
| spain | canary islands | urtica portosanctana | species | 4 | 0 |
| spain | canary islands | urtica stachyoides | species | 11 | 0 |
| switzerland | | urtica dioica var. elegans | varietas | 4 | 0 |
| switzerland | | urtica dioica var. hispida | varietas | 8 | 0 |
| switzerland | geneva region | urtica urens | species | 2 | 0 |
| taiwan | | urtica fissa | species | 8 | 0 |
| taiwan | | urtica taiwaniana | species | 4 | 0 |
| tanzania | | urtica massaica | species | 4 | 0 |
| turkey | | urtica fragilis | species | 4 | 0 |
| turkey | erzurum province | urtica dioica | species | 0 | 1 |
| turkey | kirklareli province | urtica dioica | species | 0 | 1 |
| turkey | sakarya province | urtica dioica | species | 0 | 1 |
| uganda | | urtica massaica | species | 4 | 0 |
| united kingdom | | urtica dioica | species | 4 | 0 |
| united kingdom | | urtica urens | species | 3 | 0 |
| united states | | urtica dioica | species | 1 | 0 |
| united states | | urtica gracilis subsp. gracilis | subspecies | 4 | 0 |
| united states | california | urtica gracilis subsp. holosericea | subspecies | 8 | 0 |
| united states | florida | urtica chamaedryoides | species | 1 | 0 |
| united states | washington | urtica dioica | species | 3 | 0 |
| venezuela | | urtica leptophylla | species | 4 | 0 |