Ib Friis

Ib Friis

Professor, emeritus

ORCID: 0000-0002-2438-1528

Publication year:
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1 - 10 out of 354Page size: 10
  1. 1970
  2. Published

    Oversigt over Botanisk Haves Plantesamling

    Friis, Ib & Edlefsen, L. B., 1970, Københavns Universitets Fond til tilvejebringelse af læremidler. 101 p.

    Research output: Book/Report › Book › Education

  3. 1971
  4. Published

    A new species of Guizotia (Compositae) from NE tropical Africa

    Friis, Ib, 1971, In: Norwegian Journal of Botany. 18, p. 231-234

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    A new species of Haemanthus (Amaryllidaceae) from SW Ethiopia

    Friis, Ib & Bjørnstad, I., 1971, In: Norwegian Journal of Botany. 18, p. 227-230

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    A revision of the Stachys aculeolatus group (Labiateae) in tropical Africa

    Friis, Ib, Bjørnstad, I. & Thulin, M., 1971, In: Norwegian Journal of Botany. 18, p. 121-138

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. 1972
  8. Published

    Studies in the genus Haemanthus (Amaryllidaceae) I. The infrageneric taxonomy

    Friis, Ib & Bjørnstad, I., 1972, In: Norwegian Journal of Botany. 19, p. 187-206

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Studies in the genus Haemanthus (Amaryllidaceae) II. A revision of the section Demeusea (De Wild. & Th. Dur.) Pax & Hoffm. emend Bjørnst. & Friis

    Friis, Ib & Bjørnstad, I., 1972, In: Norwegian Journal of Botany. 19, p. 207 — 222.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. 1974
  11. Published

    Dorstenia soerensenii sp. nov. (Moraceae) from SW Ethiopia, and related species

    Friis, Ib, 1974, In: Norwegian Journal of Botany. 21, p. 101-110

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Studies in the genus Haemanthus (Amaryllidaceae) III. A revision of the sections Gyaxis and Nerissa

    Friis, Ib & Bjørnstad, I., 1974, In: Norwegian Journal of Botany. 21, p. 243-275

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. 1975
  14. Published

    Linociera giordanoi (Oleaceae) - the correct name for a widespread African species

    Friis, Ib, 1975, In: Kew Bulletin. 30, p. 16-16

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    The giant species of Cirsium (Asteraceae) in S Ethiopia

    Friis, Ib, 1975, In: Norwegian Journal of Botany. 22, p. 201 - 207

    Research output: Contribution to journal › Journal article › Research › peer-review

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