Galeopsis

Galeopsis is a genus of annual herbaceous plants native to Europe and Asia. Members of this genus often have common names ending in hemp-nettle or hempnettle. Some species are naturalized in North America and New Zealand.

The plants are poisonous. Several species are widespread weeds and some are used as medicinal herbs.

Species
Species include:
 * Galeopsis × acuminata Rchb. - Germany (G. pubescens × G. tetrahit)
 * Galeopsis bifida Boenn. – bifid hemp-nettle, split-lip hemp-nettle, splitlip hempnettle, common hemp-nettle, and large-flowered hemp-nettle - widespread across much of Europe and Asia; naturalized in North America
 * Galeopsis × carinthiaca Porsch ex Fiori - Italy, Czech Republic (G. bifida × G. pubescens)
 * Galeopsis × haussknechtii Ludw. - Czech Republic (G. ladanum × G. segetum)
 * Galeopsis ladanum L. - widespread across much of Europe and Asia; naturalized in scattered sites in North America
 * Galeopsis × ludwigii Hausskn. - Germany, Czech Republic (G. bifida × G. tetrahit)
 * Galeopsis nana Otsch. - Caucasus (Georgia, Armenia, Azerbaijan)
 * Galeopsis × polychroma Beck - Austria, Italy, Czech Republic, Baltic Republics (G. pubescens × G. speciosa)
 * Galeopsis pubescens Besser – hairy or downy hempnettle - southern & central Europe from Britain and France east to Russia
 * Galeopsis pyrenaica Bartl. - Pyrenees Mountains of Spain & France
 * Galeopsis reuteri Rchb.f. - Alps of France & Italy
 * Galeopsis segetum Neck. – downy hemp-nettle - Britain, Denmark, Netherlands, Belgium, France, Spain, Germany, Italy, Switzerland, Yugoslavia
 * Galeopsis speciosa Mill. – large-flowered hemp-nettle, Edmonton hempnettle - northern & central Europe, Siberia; naturalized in Canada
 * Galeopsis tetrahit L. – common hemp-nettle, brittlestem hempnettle - southern & central Europe from Portugal to Russia; naturalized in New Zealand and North America
 * Galeopsis × wirtgenii F.Ludw. ex Briq. - France, Czech Republic