The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

  • Bailey, L.H. & E.Z. Bailey. 1976. Hortus Third i–xiv, 1–1290. MacMillan, New York.
  • Genera Plantarum 221. 1789. (Gen. Pl.)
  • Species Plantarum, Editio Secunda 438. 1762. (Sp. Pl. (ed. 2))
  • Vogela S; Müller-Doblies U. 2011. Desert geophytes under dew and fog: The “curly-whirlies” of Namaqualand (South Africa). Flora. 206: 3-31.

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