from Denmark include a species of eyebright Euphrasia dunensis (Biopix),
the dandelion microspecies Taraxacum
a blackberry microspecies Rubus
and several microspecies of hawkweed including Hieracium alatipes (BioPix),
and Hieracium contaminatum
plant subspecies include another eyebright Euphrasia arctica minor
and a marsh orchid Dactylorhiza
majalis calcifugiens (Danmarks
A marine jaw worm Rastrognathia macrostoma (eol) known only from Danish waters is sometimes considered the sole member of the family Rastrognathiidae, but it has also been considered to belong to the more widespread Onychognathiidae. Other endemic invertebrates include a wolf spider Pardosa (or Lycosa) danica (Kobenhavns Univ.) that is known only from the type specimen, a sea slug Ercolania nigra (Sea Slug Forum), a grasshopper Chorthippus jutlandica (Fugle og Natur), and a springtail Friesea danica (Google Books).
See also the Faroe Islands and Greenland.