Niels Jacobsen
Professor, emeritus
Section for Organismal Biology
Thorvaldsensvej 40
1871 Frederiksberg C
- 2024
- Published
The legacy of terrestrial plant evolution on cell wall fine structure
Fangel, J. U., Sørensen, Klavs Martin, Jacobsen, Niels, Mravec, Jozef, Isager Ahl, Louise, Bakshani, C., Mikkelsen, M. D., Engelsen, Søren Balling, Willats, W. & Ulvskov, Peter, 2024, In: Plant Cell and Environment. 47, 4, p. 1238-1254 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2023
- Published
Cryptocoryne esquerionii (Araceae), a remarkable new species discovered by a citizen scientist in Zamboanga Peninsula, southwestern Philippines
Mark, A. K. N., Reagan, J. T. V., Wongso, S. & Jacobsen, Niels, 2023, In: Nordic Journal of Botany. 2023, 3Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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
- Published
New taxonomical considerations and nomenclatural changes in the Cryptocoryne cordata complex (Araceae)
Jacobsen, Niels, Wongso, S. & Ørgaard, Marian, 2023, In: Aroideana. 46, 3, 23 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Water-Trumpet (Cryptocoryne): Conservation Action Plan 2023-2033
Lansdown, R. V., Jacobsen, Niels, Kasselmann, C., Naive, M. A. K., Velautham, E., Watve, A., Wongso, S. & Yakandawala, D., 2023, IUCN SSC Freshwater Plant Specialist Group. 161 p.Research output: Book/Report › Report › Research
- 2022
- Published
A reassessment of the genus Barclaya (Nymphaeaceae) including three new species
Jacobsen, Niels, Ganapathy, H., Ipor, I., Jensen, Karen Rysbjerg, Komala, T., Mangsor, K. N. A., Nordin, F. A., Othman, A. S., Rusly, R., Siow, J., Wongso, S. & Ørgaard, Marian, 2022, In: Nordic Journal of Botany. 2022, 5, 41 p., e03392.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
Jan Dirk Bastmeijer: (22 October 1943 – 18 February 2022)
Jacobsen, Niels & Wongso, S., 2022, In: Aroideana. 45, 2, p. 444-470 27 p.Research output: Contribution to journal › Journal article › Research
- Published
New Cryptocoryne (Araceae) from West Kalimantan, Indonesia: a new species and a new interspecific natural hybrid
Asih, N. P. S., Wongso, S., Hendrik, Bastmeijer, J. D., Reitel, S., Jensen, Karen Rysbjerg, Ørgaard, Marian & Jacobsen, Niels, 2022, In: Aroideana. 45, 1, p. 296-312 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On the identity of Cryptocoryne pygmaea (Araceae) from Western Mindanao and the description of a new species from the islands of Palawan and Busuanga
Naive, M. A. K., Bastmeijer, J. D. & Jacobsen, Niels, 2022, In: Phytotaxa. 572, 3, p. 295-300 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Stories from the Mekong, part 3. Cryptocoryne (Araceae) habitats in the Kok River, Chiang Rai Province, Northern Thailand
Idei, T., Maneeanakekul, S. & Jacobsen, Niels, 2022, In: Aroideana. 45, 1, p. 281-295 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The habitats of Cryptocoryne (Araceae) in the Chao Phraya River system: The Nan River and the Yom River in northern Thailand
Idei, T., Jacobsen, Niels & Maneeanakekul, S., 2022, In: Aroideana. 45, 1, p. 267-280 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2021
- Published
Josef Bogner — and the genus Cryptocoryne
Jacobsen, Niels, 2021, In: Aroideana. 44, 1, p. 82-109Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Molecular evidence of the hybrid origin of Cryptocoryne xpurpurea Ridl. nothovar. purpurea (Araceae)
Rosazlina, R., Jacobsen, Niels, Ørgaard, Marian & Othman, A. S., 2021, In: PLoS ONE. 16, 1, 14 p., 0239499.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Neue Veröffentlichungen über Cryptocoryne-Hybriden aus dem Süden West-Malaysias
Jacobsen, Niels & Muth, H. (Translator), 2021, In: Aqua Planta. 1, p. 13-19 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2020
- Published
Cryptocoryne hybrids (Araceae) 2: Two Cryptocoryne (Araceae) hybrids from southern Peninsular Malaysia
Jacobsen, Niels, Bastmeijer, J. D., Jensen, Karen Rysbjerg, Othman, A. S. & Ørgaard, Marian, 2020, In: Aroideana. 43, 1&2, p. 240-254 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cryptocoryne hybrids (Araceae) 3: Hybrids between Cryptocoryne cordata and Cryptocoryne nurii from southern Peninsular Malaysia
Jacobsen, Niels, Bastmeijer, J. D., Ganapathy, H., Ipor, I., Jensen, Karen Rysbjerg, Komala, T., Mangsor, K. N. A., Othman, A. S., Rosazlina, R., Siow, J. & Ørgaard, Marian, 2020, In: Aroideana. 43, 1&2, p. 255-284 30 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cryptocoryne hybrids (Araceae) 4: A Cryptocoryne hybrid from the Meratus mountains, South Kalimantan, Indonesia
Wongso, S., Bastmeijer, J. D., Idei, T., Jensen, Karen Rysbjerg, Ørgaard, Marian & Jacobsen, Niels, 2020, In: Aroideana. 43, 1&2, p. 285-298 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cryptocoryne-Hybriden (Araceae): Cryptocoryne x ikezewaldiae und C. x agusii, zwei neue Hybriden aus West-Kalimantan, Indonesien
Wongso, S., Bastmeijer, J. D., Hendrik, Jensen, Karen Rysbjerg, Kishi, H., Ørgaard, Marian, Takahashi, N. & Jacobsen, Niels, 2020, In: Aqua Planta. 45, 2, p. 44-57 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Lagenandra ’Cora Bastmeijer’, an artificial hybrid between the Indian L. meeboldii and the Sri Lankan L. thwaitesii (Araceae)
Bastmeijer, J. D. & Jacobsen, Niels, 2020, In: Aroideana. 43, 3&4, p. 54-58 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A new Cryptocoryne species (Araceae) from the Schwaner mountains, West Kalimantan, Indonesia
Wongso, S., Hendrik, Jensen, Karen Rysbjerg, Ørgaard, Marian & Jacobsen, Niels, 2020, In: Nordic Journal of Botany. 38, 4, 5 p., 02716.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Artificial hybrids between species of Lagenandra (Araceae)
Bastmeijer, J. D. & Jacobsen, Niels, 2020, In: Aroideana. 43, 3&4, p. 59-96 38 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Artificial hybrids in Cryptocoryne (Araceae) 6. Hybridization between various species
Jacobsen, Niels, Bastmeijer, J. D., Idei, T., Wongso, S. & Ørgaard, Marian, 2020, In: Aroideana. 43, 1&2, p. 225-239 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
In the memory of Josef Bogner
Jacobsen, Niels, 2020, In: The IAS Newsletter. 42, 2, p. 5-6 2 p.Research output: Contribution to journal › Journal article › Research
- Published
Wasserpflanzen in einem Fluss mit Gezeitenzone am Sungai Sedili Kechil, Johor, Malaysia
Jacobsen, Niels, Ganapathy, H. B., Mangsor, K. N. A., Othman, A. S., Rahman, S. N. A., Rosazlina, R. & Siow, J., 2020, In: Aqua Planta. 45, 4, p. 129-139 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
- Published
Cryptocoryne ciliata var. bogneri - eine neue tetraploide Varietät aus Sarawak
Jacobsen, Niels, Bastmeijer, J. D., Jensen, Karen Rysbjerg & Ørgaard, Marian, 2019, In: Aqua Planta. 2, p. 52-63 6 p.Research output: Contribution to journal › Journal article › Research
- Published
Lagenandra keralensis und L. meeboldii
Jacobsen, Niels, Bastmeijer, J. D., Wongso, S. & Ørgaard, Marian, 2019, In: Aqua Planta. 3, p. 84-91Research output: Contribution to journal › Journal article › Research
- Published
Artificial hybrids in Cryptocoryne (Araceae) 3. Hybridization between species from Borneo
Jacobsen, Niels, Bastmeijer, J. D., Idei, T., Ipor, I., Wongso, S. & Ørgaard, Marian, 2019, In: Aroideana. 42, 2&3, p. 57-90Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Artificial hybrids in Cryptocoryne (Araceae) 4. Hybridization between species from Malay Peninsula and Borneo
Jacobsen, Niels, Bastmeijer, J. D., Idei, T., Wongso, S. & Ørgaard, Marian, 2019, In: Aroideana. 42, 2&3, p. 91-118Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Artificial hybrids in Cryptocoryne (Araceae) 5. Hybridization with species from Sumatera, Indonesia
Jacobsen, Niels, Bastmeijer, J. D., Waser, A., Wongso, S. & Ørgaard, Marian, 2019, In: Aroideana. 42, 2&3, p. 119-138Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Artificial hybrids in Cryptocoryne (Araceae). 1. Hybridization between Sri Lankan species within the 2n = 28 chromosome group
Jacobsen, Niels & Ørgaard, Marian, 2019, In: Aroideana. 42, 1, p. 76-106Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Artificial hybrids in Cryptocoryne (Araceae). 2. Hybridization between species of the Malay Peninsula
Jacobsen, Niels, Bastmeijer, J. D., Bin Othman, A. S., Sookchaloem, D. & Ørgaard, Marian, 2019, In: Aroideana. 42, 1, p. 107-137Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Four new Cryptocoryne (Araceae) from Sumatera, Indonesia: variety and three interspecific natural hybrids
Wongso, S., Asih, N. P. S., Bastmeijer, J. D., Jensen, Karen Rysbjerg, Reichert, W., Ørgaard, Marian & Jacobsen, Niels, 2019, In: Taiwania. 64, 3, p. 326-338Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Natural hybridization – recombination – an ever-ongoing process
Jacobsen, Niels & Ørgaard, Marian, 2019, In: Thai Forest Bulletin. 47, 1, p. 19-28Research output: Contribution to journal › Journal article › Research › peer-review
- 2018
- Published
A new tetraploid variety of Cryptocoryne ciliata (Araceae) from Sarawak
Jacobsen, Niels, Bastmeijer, J. D., Jensen, Karen Rysbjerg & Ørgaard, Marian, 2018, In: Willdenowia. 48, 3, p. 425-432Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On the Diptera pollinators of Cryptocoryne (Araceae)
Jacobsen, Niels & Ørgaard, Marian, 2018, In: Aroideana. 41, 2-3, p. 218-236Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The opening twist (ptyxis) of the spathes of Lagenandra and Cryptocoryne (Araceae)
Jacobsen, Niels, Bastmeijer, J. & Ørgaard, Marian, 2018, In: Aroideana. 41, 2-3, p. 201-217Research output: Contribution to journal › Journal article › Research › peer-review
- 2017
- Published
Cryptocoryne crispatula (Araceae) in Thailand seen with the help of AFLP glasses
Jacobsen, Niels, Bastmeijer, J., Christensen, C., Idei, T., Lange, Conny Bruun Asmussen, Orabi, J., Sookchaloem, D., Toneatto, F. & Ørgaard, Marian, 2017, Abstract of 17th Flora of Thailand Conference: Taxonomic knowledge and a sustainable future. p. 143 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Cryptocoryne crispatula var. Tonkinensis and var. Kubotae
Jacobsen, Niels, Bastmeijer, J. D. & Ørgaard, Marian, 2017, In: The Aquatic Gardener. 30, 4, p. 24-31 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cryptocoryne crispatula var. tonkinensis und var. kubotae
Jacobsen, Niels, Bastmeijer, J. D., Ørgaard, Marian & Bogner, J. (Translator), 2017, In: Aqua Planta. 3, p. 90-102 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Natural hybridization – recombination – an ever-ongoing process
Jacobsen, Niels & Ørgaard, Marian, 2017, Abstract of 17th Flora of Thailand Conference: Taxonomic knowledge and a sustainable future. p. 41 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Six new Cryptocoryne taxa (Araceae) from Kalimantan, Borneo
Wongso, S., Bastmeijer, J. D., Budianto, H., Ipor, I. B., Jensen, Karen Rysbjerg, Ørgaard, Marian & Jacobsen, Niels, 2017, In: Willdenowia. 47, 3, p. 325-339 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Stories from the Mekong, part 2. The Cryptocoryne (Araceae) of Chiang Khan District, Loei Province, Thailand
Idei, T., Bastmeijer, J. D. & Jacobsen, Niels, 2017, In: Thai Forest Bulletin (Botany). 45, 1, p. 58-78 21 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2016
- Published
Cryptocoryne aura (Araceae), a new species from West Kalimantan, Indonesia
Wongso, S., Ipor, I. B., Tawan, C. S., Budianto, H., Bastmeijer, J. D. & Jacobsen, Niels, 2016, In: Willdenowia. 46, 2, p. 275-282 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cryptocoryne wongsoi (Araceae), a new species from Sumatera, Indonesia
Bastmeijer, J. D., Budianto, H., Ipor, I. B., Ørgaard, Marian & Jacobsen, Niels, 2016, In: Aroideana. 39, 2, p. 4-14 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cryptocoryne ×batangkayanensis (Araceae) und Bemerkungen zu einigen anderen Hybriden
Jacobsen, Niels, Bastmeijer, J. D., Ipor, I., Jensen, Karen Rysbjerg, Wongso, S. & Ørgaard, Marian, 2016, In: Aqua Planta. 2, p. 54-66 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cryptocoryne x batangkayensis and notes on some other hybrids
Jacobsen, Niels, Bastmeijer, J. D., Ipor, I. B., Jensen, Karen Rysbjerg, Wongso, S. & Ørgaard, Marian, 2016, In: The Aquatic Gardener. 29, 4, p. 37-45 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Hybrids and the Flora of Thailand revisited: hybridization in the South-East Asian genus Cryptocoryne (Araceae)
Jacobsen, Niels, Bastmeijer, J. D., Bogner, J., Budianto, H., Ganapathy, H. B., Idei, T., Ipor, I. B., Komala, T., Othman, A. S., Rosazlina, R., Siow, J., Wongso, S. & Ørgaard, Marian, 2016, In: Thai Forest Bulletin (Botany). 44, 1, p. 53-73 21 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 32042022
Most downloads
-
1556
downloads
A new variety of Cryptocoryne versteegii (Araceae) from Irian Jaya Tengah, Indonesia
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
1292
downloads
Elements of the evolution in the genus Cryptocoryne (Araceae)
Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
Published -
910
downloads
Crocus - Evolution and domestication
Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
Published