has about 10
vascular plant species found nowhere else including the East Greenland
nathorstii (Field Museum pdf file), the
Greenland Alkali Grass Puccinellia
Books), Porsild's Alkali Grass Puccinellia porsildii
Greenland Fescue Festuca
the Greenland Blue-eyed Grass Sisyrinchium groenlandicum
Greenland Pondweed Potamogeton
and two pussytoes: Antennaria
Archive). There are also 15 endemic microspecies
of hawkweed including Hieracium
Two marine invertebrates are sometimes considered to represent families known only from Greenland: a flatworm Proporoplana jenseni (Turbellaria) sometimes classified as Proporoplanidae and a comb jelly Tjalfiella tristoma (Google Books) from Umanak Fjord that is the sole species in the Tjalfiellidae. Other endemic invertebrates include a twirler moth Gnorimoschema vibei (BOLD), a braconid wasp Aphidius tarsalis (BOLD), an eulophid wasp Aprostocetus meltoftei (p. 2 of nmbe.unibe.ch pdf fiel), a rove beetle Atheta groenlandica (Google Books), a comb-footed spider Ohlertidion lundbecki (Jørgen Lissner), a water flea Holopedium groenlandicum (J. Limnology), a marine rotifer Notholca ikaitophila (ADW), a hydroid Halisiphonia arctica (Google Books), and a sponge Leucascus lobatus (ZMUC pdf file).
Three species of dwarf snailfish are so far known solely from specimens caught off Greenland: the Gelatinous Dwarf Snailfish Psednos gelatinosus (eol), Psednos melanocephalus (BioOne), and the Multipore Dwarf Snailfish Psednos micruroides (eol),.
The ice-free portion of Greenland comprises the Kalaallit Nunaat low arctic tundra ecoregion (EoE). For lists of Greenland's endemic species and an overview of Greenland's plants and animals see "Biodiversity of Greenland" (Grønlands Naturinstitut pdf file).