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Original Articles

Pollen Morphology in African Species of Swertia L. (Gentianaceae)

Pages 119-128 | Received 03 Sep 1973, Published online: 01 Sep 2009

References

  • Erdtman , G. 1952 . Pollen morphology and plant taxonomy , Uppsala : Angiosperms. — Almqvist & Wiksell .
  • Erdtman , G. 1963 . Introduktion till palynologin , Stockholm : Natur & Kultur .
  • Fries , Th. C. E. 1923 . Die Swertia-Arten der Afrikanischen Hochgebirge , Vol. 8 , 505 – 534 . Berlin : Notizblatt bot. Gart. .
  • Gilg , E. 1895 . “ Gentianaceae ” . In Engler & Prantl. Natürl. Pflanzenfam. IV , Vol. 2 , 50 – 108 . Leipzig : Wilhelm Engelmann .
  • Hedberg , O. 1955a. . Some taxonomic problems concerning the afroalpine flora . Webbia , 2 : 471 – 487 .
  • Hedberg , O. 1957 . “ Afroalpine vascular plants ” . In A taxonomic revision , 15 Upsal : Symb. bot. .
  • Hedberg , O. 1961 . Modern taxonomic methods and the flora of tropical Africa . C.R.4. Réun. A.E.T.F.A.T. Lisboa , : 265 – 278 .
  • Lanjouw , J. and Stafleu , F. A. 1964 . Index Herbariorum. I. The Herbaria of the World , 31 Regnum Vegetabile . Utrecht
  • Nilsson , S. 1964 . On the pollen morphology in Lomatogonium A. Br . Grana palynol. , 5 : 298 – 329 .
  • Nilsson , S. 1967a. . Pollen morphological studies in the Gentianaceae-Gentianineae . Grana palynol. , 7 : 77 – 78 .
  • Nilsson , S. 1967b. . Notes on pollen morphological variation in Gentianaceae-Gentianineae . Pollen et Spores , 9 : 49 – 58 .

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