''Keysseria'' (island-daisy) is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of flowering plants in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

.Lauterbach, Karl Adolf Georg. 1914. Repertorium Specierum Novarum Regni Vegetabilis. Centralblatt für Sammlung und Veroffentlichung von Einzeldiagnosen neuer Pflanzen
deescriptions in Latin, commentary in German It includes 11 species, all of which are native to

New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...

with one species ('' Keysseria gibbisae'') also native to northern

Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and eas ...

Species

11 species are accepted. * '' Keysseria bellidiformis'' – montane New Guinea * '' Keysseria extensa'' – montane New Guinea * '' Keysseria fasciculata'' – montane New Guinea * '' Keysseria gibbsiae'' – northern Borneo and New Guinea * '' Keysseria papuana'' – montane New Guinea * '' Keysseria pinguiculiformis'' J.Kost. – montane New Guinea * '' Keysseria radicans'' – montane New Guinea * '' Keysseria rosulans'' – montane New Guinea * '' Keysseria tomentella'' – montane New Guinea * '' Keysseria trachyphylla'' – New Guinea * '' Keysseria wollastonii'' – montane New Guinea

Formerly placed here

*'' Helodeaster erici'' (as ''Keysseria erici'' (C.N.Forbes) Cabrera)''Helodeaster'' G.L.Nesom
''

Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...

''. Retrieved 19 May 2024. *'' Helodeaster helenae'' as (''Keysseria helenae'' (C.N.Forbes & Lydgate) Cabrera) *'' Helodeaster maviensis'' (as ''Keysseria maviensis'' (H.Mann) Cabrera) *'' Pytinicarpa pickeringii'' (as ''Keysseria pickeringii'' (A.Gray) Cabrera)''Pytinicarpa pickeringii'' (A.Gray) G.L.Nesom
''

''. Retrieved 19 May 2024.

References

Astereae Asteraceae genera Taxa named by Carl Adolf Georg Lauterbach {{Astereae-stub