Urtica incisa (Australian nettle);
Cnidoscolus urens, bull nettle,
ball nettle (Solanum carolinense);
Various species of the genus Dendrocnide
Most, but not all, subspecies of Urtica dioica (common nettle),
Wood nettle (Laportea canadensis);
Cnidoscolus texanus, Texas bull nettle,
rock nettle (Eucnide);
small-leaved nettle (Dendrocnide photinophylla).
Solanum elaeagnifolium, bull nettle, silver-leaf nettle, white horse-nettle;
false nettle (Boehmeria, family Urticaceae);
flame nettle or painted nettle (Coleus);
hedge nettle (Stachys);
hemp nettle (Galeopsis);
Cnidoscolus stimulosus, bull nettle, spurge nettle,
horse nettle Agastache urticifolia,
Celtis (hackberry).
nilgiri nettle, Himalayan giant nettle (Girardinia diversifolia, family Urticaceae).
Solanum rostratum, horse-nettle;
dead nettle, dumb nettle (Lamium), particularly Lamium album, white nettle;
Urtica ferox (tree nettle);
Solanum dimidiatum, western horse-nettle, robust horse-nettle;
Loosely, anything which causes a similarly stinging rash, such as a jellyfish or sea nettle.
Urera baccifera (scratchbush),
Of the nettle plant and similar physical causes, to sting, causing a rash in someone.
To pique, irritate, vex or provoke.