Niels Jacobsen

Niels Jacobsen

Professor, emeritus

ORCID: 0000-0003-3932-1293

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  1. Published

    Flora i kridt

    Rasmussen, Hanne Nina, Jacobsen, Niels & Rasmussen, Finn N., 1978, Beretning og regnskab for selskabets 88. regnskabsår 1977, Ålborg Portland. Ålborg, p. 19-24 6 p.

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Commissioned

  2. Published

    Farvestoffer i krokus: blomsterfarvernes kemi hjælper med at belyse slægtskabet

    Nørbæk, R., Ørgaard, Marian & Jacobsen, Niels, 2002, In: Naturens Verden. 85, 6, p. 34-37 4 p.

    Research output: Contribution to journal › Journal article › Research

  3. Published

    Elements of the evolution in the genus Cryptocoryne (Araceae)

    Jacobsen, Niels, Lange, Conny Bruun Asmussen, Bastmeijer, J., Budianto, H., Idei, T., Ipor, I. B., Bin Othman, A. S., Sookchaloem, D., Wongso, S. & Ørgaard, Marian, 2008, Monocots IV: Abstracts. p. 32 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  4. Published

    Einige Fundorte vonCryptocoryne crispatula (Araceae) in nördlichen Vietnam

    Jacobsen, Niels, Gersthofen, J. B., Van Du, N., Hong, Q. B. & Ørgaard, Marian, 2015, In: Aqua Planta. 40, 3, p. 92-104 13 p.

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

  5. Published

    Eine neue Varietät der Cryptocorryne ferruginea Engl. von Sekadau, West alimantan, Indonesien

    Bastmeijer, J. D., Kishi, H., Takahashi, N., Wongso, S. & Jacobsen, Niels, 2013, In: Aqua Planta. 3, p. 84-93 10 p.

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

  6. Published

    Discovery through citizen science III: Cryptocoryne zamboangensis (Araceae), a new water trumpet discovered in Zamboanga del Norte, Philippines

    Arcebal K. Naive, M., Wongso, S., Paglalunan, A., Ponteras, E. & Jacobsen, Niels, 2023, In: Nordic Journal of Botany. 2023, 11, 5 p., e04181.

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

  7. Published

    Discovery through citizen science II: Cryptocoryne vinzelii (Araceae), a new species of water trumpet from Basilan Island, Philippines

    Naive, M. A. K., Duhaylungsod, A. B. & Jacobsen, Niels, 2023, In: Taiwania. 68, 3, p. 294-297 4 p.

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

  8. Published

    Discovery through citizen science: Cryptocoryne paglaterasiana (Araceae), a new endangered species from Tampilisan, Zamboanga del Norte, Western Mindanao

    Naive, M. A. K., Lagud, Y. J. & Jacobsen, Niels, 2022, In: Taiwania. 67, 4, p. 539-543 5 p.

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

  9. Published

    Die Bestäubung der Gattung Cryptocoryne (Araceae)

    Jacobsen, Niels & Ørgaard, Marian, 2020, In: Aqua Planta. 45, 1, p. 4-19 16 p.

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

  10. Published

    Der ¤Cryptocorýne cordáta Griffith: Komplex (Araceae) in Malesien

    Jacobsen, Niels, 2002, In: Aqua Planta. 27, 4, p. 150-151 2 p.

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

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