question: To which taxonomic category do both Swainsona and Olsynium belong?
answer: genus
context: Title: Helleborine
  Passage: Helleborine is the common name for a number of species of orchid.  It does not correspond to any currently used taxonomic category.  Some of the plants called helleborines are classified in the genus "Epipactis", some in genus "Cephalanthera".  A genus "Helleborine" was formerly recognised but has now been absorbed into the Grass pink genus "Calapogon".
  Title: Swainsona
  Passage: Swainsona is a large genus of flowering plants native to Australasia.  There are 85 species, all but one of which is endemic to Australia; the exception, "S. novae-zelandiae", occurs only in New Zealand.
  Title: Heterostropha
  Passage: Heterostropha was a previously used taxonomic category, an order of sea snails, within the superorder Heterobranchia.  In the most current gastropod taxonomy, that of Bouchet & Rocroi, this taxon is no longer in use.
  Title: Olsynium
  Passage: Olsynium (huilmo in Chile; formerly part of "Sisyrinchium") is a genus of summer-dormant rhizomatous perennials in the iris family, native to sunny hillsides in South America and western North America.
  Title: Cladorhiza segonzaci
  Passage: Cladorhiza segonzaci is a species of sponge in the taxonomic category of Demospongiae.  The body of the sponge consists of a spicule and fibers and is water absorbent.
citations: Swainsona Olsynium