Niels Jacobsen

Aroid papers per year

Genera · 2

• Cryptocoryne65
• Lagenandra6

Places in their paper titles

• Indonesia9
• Thailand8
• Borneo8
• Peninsular Malaysia6
• Kalimantan6
• Sarawak5
• Australia3
• Pacific3
• Sumatra3
• Mindanao3
• Philippines3
• Palawan2
• Malaysia1
• Sri Lanka1
• Vietnam1

Aroid papers · 73 newest first

1. 2026 Discovery through citizen science: Cryptocoryne paglaterasiana (Araceae), a new endangered species from Tampilisan, Zamboanga del Norte, Western MindanaoResearch at the University of Copenhagen (University of Copenhagen)DOIopen access
2. 2026 On the identity of Cryptocoryne pygmaea (Araceae) from Western Mindanao and the description of a new species from the islands of Palawan and BusuangaThe Catalogue of LifeDOIopen access
3. 2024 A new Cryptocoryne (Araceae) from southwestern Sri LankaResearch at the University of Copenhagen (University of Copenhagen)
4. 2023 Cryptocoryne esquerionii (Araceae), a remarkable new species discovered by a citizen scientist in Zamboanga Peninsula, southwestern PhilippinesNordic Journal of BotanyDOI
5. 2023 Discovery through citizen science II: Cryptocoryne vinzelii (Araceae), a new species of water trumpet from Basilan Island, PhilippinesResearch at the University of Copenhagen (University of Copenhagen)DOIopen access
6. 2023 Discovery through citizen science III: Cryptocoryne zamboangensis (Araceae), a new water trumpet discovered in Zamboanga del Norte, PhilippinesNordic Journal of BotanyDOI
7. 2023 New taxonomical considerations and nomenclatural changes in the Cryptocoryne cordata complex (Araceae)Research at the University of Copenhagen (University of Copenhagen)open access
8. 2023 Water-Trumpet (Cryptocoryne): Conservation Action Plan 2023-2033Research at the University of Copenhagen (University of Copenhagen)open access
9. 2022 New Cryptocoryne (Araceae) from West Kalimantan, Indonesia:a new species and a new interspecific natural hybridResearch at the University of Copenhagen (University of Copenhagen)open access
10. 2022 On the identity of Cryptocoryne pygmaea (Araceae) from Western Mindanao and the description of a new species from the islands of Palawan and BusuangaPhytotaxaDOI
11. 2022 Stories from the Mekong, part 3. Cryptocoryne (Araceae) habitats in the Kok River, Chiang Rai Province, Northern ThailandResearch at the University of Copenhagen (University of Copenhagen)open access
12. 2022 The habitats of Cryptocoryne (Araceae) in the Chao Phraya River system: The Nan River and the Yom River in northern ThailandResearch at the University of Copenhagen (University of Copenhagen)open access
13. 2021 Josef Bogner — and the genus CryptocoryneResearch at the University of Copenhagen (University of Copenhagen)
14. 2021 Molecular evidence of the hybrid origin of Cryptocoryne ×purpurea Ridl. notho var. purpurea (Araceae)PLoS ONEDOIopen access
15. 2021 Neue Veröffentlichungen über Cryptocoryne-Hybriden aus dem Süden West-MalaysiasResearch at the University of Copenhagen (University of Copenhagen)
16. 2020 A new Cryptocoryne species (Araceae) from the Schwaner mountains, West Kalimantan, IndonesiaNordic Journal of BotanyDOI
17. 2020 Artificial hybrids between species of Lagenandra (Araceae)Research at the University of Copenhagen (University of Copenhagen)
18. 2020 Artificial hybrids in Cryptocoryne (Araceae) 6. Hybridization between various speciesResearch at the University of Copenhagen (University of Copenhagen)
19. 2020 Cryptocoryne hybrids (Araceae) 2: Two Cryptocoryne (Araceae) hybrids from southern Peninsular MalaysiaResearch at the University of Copenhagen (University of Copenhagen)
20. 2020 Cryptocoryne hybrids (Araceae) 3: Hybrids between Cryptocoryne cordata and Cryptocoryne nurii from southern Peninsular MalaysiaResearch at the University of Copenhagen (University of Copenhagen)
21. 2020 Cryptocoryne hybrids (Araceae) 4: A Cryptocoryne hybrid from the Meratus mountains, South Kalimantan, IndonesiaResearch at the University of Copenhagen (University of Copenhagen)
22. 2020 Cryptocoryne-Hybriden (Araceae): Cryptocoryne x ikezewaldiae und C. x agusii, zwei neue Hybriden aus West-Kalimantan, IndonesienResearch at the University of Copenhagen (University of Copenhagen)
23. 2020 Die Bestäubung der Gattung Cryptocoryne (Araceae)Research at the University of Copenhagen (University of Copenhagen)
24. 2020 Lagenandra ’Cora Bastmeijer’, an artificial hybrid between the Indian L. meeboldii and the Sri Lankan L. thwaitesii (Araceae)Research at the University of Copenhagen (University of Copenhagen)
25. 2019 Artificial hybrids in Cryptocoryne (Araceae) 3. Hybridization between species from BorneoResearch at the University of Copenhagen (University of Copenhagen)
26. 2019 Artificial hybrids in Cryptocoryne (Araceae) 4. Hybridization between species from Malay Peninsula and BorneoResearch at the University of Copenhagen (University of Copenhagen)
27. 2019 Artificial hybrids in Cryptocoryne (Araceae) 5. Hybridization with species from Sumatera, IndonesiaResearch at the University of Copenhagen (University of Copenhagen)
28. 2019 Artificial hybrids in Cryptocoryne (Araceae). 1. Hybridization between Sri Lankan species within the 2n = 28 chromosome groupResearch at the University of Copenhagen (University of Copenhagen)
29. 2019 Artificial hybrids in Cryptocoryne (Araceae). 2. Hybridization between species of the Malay PeninsulaResearch at the University of Copenhagen (University of Copenhagen)
30. 2019 Cryptocoryne ciliata var. bogneri - eine neue tetraploide Varietät aus SarawakResearch at the University of Copenhagen (University of Copenhagen)
31. 2019 Four new Cryptocoryne (Araceae) from Sumatera, Indonesia: a new variety and three interspecific natural hybridsDOAJ (DOAJ: Directory of Open Access Journals)DOIopen access
32. 2019 Lagenandra keralensis und L. meeboldiiResearch at the University of Copenhagen (University of Copenhagen)
33. 2018 A new tetraploid variety of Cryptocoryne ciliata (Araceae) from SarawakWilldenowia - Annals of the Botanic Garden and Botanical Museum Berlin-DahlemDOIopen access
34. 2018 On the Diptera pollinators of Cryptocoryne (Araceae)Research at the University of Copenhagen (University of Copenhagen)
35. 2018 The opening twist (ptyxis) of the spathes of Lagenandra and Cryptocoryne (Araceae)Research at the University of Copenhagen (University of Copenhagen)
36. 2017 Cryptocoryne crispatula (Araceae) in Thailand seen with the help of AFLP glassesResearch at the University of Copenhagen (University of Copenhagen)
37. 2017 Cryptocoryne crispatula var. Tonkinensis and var. KubotaeResearch at the University of Copenhagen (University of Copenhagen)
38. 2017 Cryptocoryne crispatula var. tonkinensis und var. kubotaeResearch at the University of Copenhagen (University of Copenhagen)
39. 2017 Six new Cryptocorynetaxa (Araceae) from Kalimantan, BorneoWilldenowia - Annals of the Botanic Garden and Botanical Museum Berlin-DahlemDOIopen access
40. 2017 Stories from the Mekong, part 2. The Cryptocoryne (Araceae) of Chiang Khan District, Loei Province, ThailandThai Forest Bulletin (Botany)DOIopen access
41. 2016 Cryptocoryne ×batangkayanensis (Araceae) und Bemerkungen zu einigen anderen HybridenResearch at the University of Copenhagen (University of Copenhagen)
42. 2016 Cryptocoryne aura (Araceae), a new species from West Kalimantan, IndonesiaWilldenowia - Annals of the Botanic Garden and Botanical Museum Berlin-DahlemDOIopen access
43. 2016 Cryptocoryne wongsoi (Araceae), a new species from Sumatera, IndonesiaResearch at the University of Copenhagen (University of Copenhagen)
44. 2016 Cryptocoryne x batangkayensis and notes on some other hybridsResearch at the University of Copenhagen (University of Copenhagen)
45. 2016 Genotyping natural hybrids of Cryptocoryne purpurea in Borneo and Peninsular MalaysiaJournal of Tropical Biology & Conservation (JTBC)DOIopen access
46. 2016 Hybrids and the Flora of Thailand revisited: Hybridization in the South-East Asian genus Cryptocoryne (Araceae)Thai Forest Bulletin (Botany)DOIopen access
47. 2016 Neuguinea - Rätsel um Cryptocoryne versteegii und Cryptocoryne dewitiiResearch at the University of Copenhagen (University of Copenhagen)
48. 2015 A new calcicolous variety of Cryptocoryne nurii Furtado (Araceae) from Pahang, Peninsular Malaysia.Research at the University of Copenhagen (University of Copenhagen)
49. 2015 A new variety of Cryptocoryne crispatula Engl. (Araceae) from ThailandResearch at the University of Copenhagen (University of Copenhagen)open access
50. 2015 Cryptocoryne nurii var. raubensis, a new calcicolousvariety from Pahang, Peninsular MalaysiaResearch at the University of Copenhagen (University of Copenhagen)
51. 2015 Cryptocoryne×batangkayanensis (Araceae), a new hybrid from SarawakWilldenowia - Annals of the Botanic Garden and Botanical Museum Berlin-DahlemDOIopen access
52. 2015 Einige Fundorte von Cryptocoryne crispatula (Araceae) in nördlichen VietnamResearch at the University of Copenhagen (University of Copenhagen)
53. 2015 The identity of Cryptocoryne crispatula var. tonkinensis (Araceae)Willdenowia - Annals of the Botanic Garden and Botanical Museum Berlin-DahlemDOIopen access
54. 2015 The use of AFLP markers to elucidate relationships within Cryptocoryne (Araceae)Research at the University of Copenhagen (University of Copenhagen)
55. 2015 Utilizing next generation sequencing to characterize microsatellite loci in a tropical aquatic plant species Cryptocoryne cordata var. cordata (Araceae)Biochemical Systematics and EcologyDOI
56. 2014 A new variety of Cryptocoryne versteegii (Araceae) from Irian Jaya Tengah, IndonesiaWilldenowia - Annals of the Botanic Garden and Botanical Museum Berlin-DahlemDOIopen access
57. 2014 Cryptocoryne matakensis (Araceae, eine neue Art von den Anambas-Inseln (Indonesien)Research at the University of Copenhagen (University of Copenhagen)
58. 2013 Cryptocoryne ferruginea Engl.:from Sekadau, West KAlimantan province, IndonesiaResearch at the University of Copenhagen (University of Copenhagen)
59. 2010 Genotyping natural hybrids of Cryptocoryne purpurea in Borneo and Peninsular MalaysiaUnimas Institutional Repository (Universiti Malaysia Sarawak)open access
60. 2010 Notes on Cryptocoryne (Araceae) of Thailand, including a new species from Loei ProvinceThai Forest Bulletin (Botany)open access
61. 2006 Cryptocoryne Fusca De Wit (Araceae), A New Record for SarawakThe Sarawak Museum JournalDOIopen access
62. 2006 Cryptocoryne zaidiana Ipor & Tawan (Araceae), eine kürzlich neu beschriebene Art aus Sarawak (Malaysia)Research at the University of Copenhagen (University of Copenhagen)
63. 2005 A new species of Cryptocoryne (Araceae) from BorneoUnimas Institutional Repository (Universiti Malaysia Sarawak)DOIopen access
64. 2001 Systematic studies of Araceae in Thailand
65. 1998 SEM study of surface structures of the spathe in Cryptocoryne and Lagenandra (Araceae: Aroideae: Cryptocoryneae)Botanical Journal of the Linnean SocietyDOIopen access
66. 1998 SEM study of surface structures of the spathe in Cryptocoryne and Lagenandra (Araceae: Aroideae: Cryptocoryneae)Research at the University of Copenhagen (University of Copenhagen)DOI
67. 1996 Checklist and Botanical Bibliography of the Aroids of Malesia, Australia, and the Tropical Western Pacific Region.Systematic BotanyDOI
68. 1995 Botanical bibliography of the Araceae of Malesia, Australia, and the tropical western Pacific regionThe Digital Academic Repository of Naturalis Biodiversity Center (Naturalis Biodiversity Center)open access
69. 1995 Checklist of the Araceae of Malesia, Australia, and the tropical western Pacific regionData Archiving and Networked Services (DANS)open access
70. 1985 The Cryptocoryne (Araceae) of BorneoNordic Journal of BotanyDOI
71. 1985 The Cryptocoryne (Araceae) of Borneo [synonomy]
72. 1982 Chromosome numbers and taxonomy in Cryptocoryne (Araceae). IINordic Journal of BotanyDOI
73. 1980 Does Cryptocoryne ferruginea flower at full moonAroideana

Species described · 18 oldest first, from IPNI

• 1977 Cryptocoryne dewitii
• 1977 Cryptocoryne ferruginea described as Cryptocoryne sarawacensis
• 1979 Cryptocoryne minima described as Cryptocoryne gasseri
• 1980 Cryptocoryne villosa
• 1982 Cryptocoryne minima described as Cryptocoryne amicorum
• 1982 Cryptocoryne keei
• 1985 Cryptocoryne hudoroi
• 1987 Lagenandra gomezii
• 2010 Cryptocoryne loeiensis
• 2010 Cryptocoryne mekongensis
• 2014 Cryptocoryne matakensis
• 2015 Cryptocoryne × batangkayanensis
• 2020 Cryptocoryne × griffithiioides
• 2020 Cryptocoryne × schulzeioides
• 2022 Cryptocoryne paglaterasiana
• 2022 Cryptocoryne palawanensis
• 2023 Cryptocoryne × sumateraensis
• 2024 Cryptocoryne srilankaensis