Niels Jacobsen

Danish botanist and professor emeritus.

Abbreviations: N.Jacobsen
Occupations: botanist
Citizenships: Kingdom of Denmark
Dates: 1945-00-00T00:00:00Z
Direct attributions: 39 plants, 0 fungi
Authorship mentions: 40 plants, 0 fungi

39 plants attributed, 1 plant contributed to40 plants:

Hordeum erectifolium Bothmer, N.Jacobsen & R.B.Jørg. 1985
perennial plant species in the poaceae family
Hordeum erectifolium is a species of herbaceous plant in the family Poaceae. It is native to Northeastern Argentina.
Hordeum cordobense Bothmer, N.Jacobsen & Nicora 1980
perennial plant species in the poaceae family
Hordeum cordobense is a species of wild barley in the grass family Poaceae, native to northern Argentina. A diploid found below 1,000 m (3,300 ft), its closest relative is Hordeum muticum, a highland species with a more northerly distribution.
Hordeum guatemalense Bothmer, N.Jacobsen & R.B.Jørg. 1985
perennial plant species in the poaceae family
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Hordeum fuegianum Bothmer, N.Jacobsen & R.B.Jørg. 1986
perennial plant species in the poaceae family
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Lagenandra gomezii (Schott) Bogner & N.Jacobsen 1987
plant species in the araceae family
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Cryptocoryne mekongensis T.Idei, Bastm. & N.Jacobsen 2010
endangered plant species in the araceae family
Cryptocoryne mekongensis is a species belonging to the Araceae genus Cryptocoryne that was described in 2010.
Cryptocoryne dewitii N.Jacobsen 1977
perennial plant species in the araceae family
Cryptocoryne dewitii is a plant species belonging to the Araceae genus Cryptocoryne. It was first described in 1977 from dried herbarium material and named in honor of the Dutch botanist Hendrik de Wit.
Cryptocoryne villosa N.Jacobsen 1980
perennial plant species in the araceae family
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Cryptocoryne keei N.Jacobsen 1982
perennial plant species in the araceae family
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Cryptocoryne hudoroi Bogner & N.Jacobsen 1985
perennial plant species in the araceae family
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Barclaya wellyi Wongso, Ipor & N.Jacobsen 2022
perennial plant species in the nymphaeaceae family
Barclaya wellyi is a species of perennial aquatic plant native to Sumatra, Indonesia.
Crassula quadrifaria N.Jacobsen 2015
plant species in the crassulaceae family
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Barclaya rugosa Sofiman Othman & N.Jacobsen 2022
perennial plant species in the nymphaeaceae family
Barclaya rugosa is a species of perennial aquatic plant endemic to peninsular Malaysia.
Cryptocoryne loeiensis Bastm., T.Idei & N.Jacobsen 2010
critically endangered plant species in the araceae family
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Cryptocoryne crispatula var. planifolia Hang Zhou, H.W.He & N.Jacobsen 2010
perennial plant variety in the araceae family
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Cryptocoryne crispatula var. decusmekongensis T.Idei, Bastm. & N.Jacobsen 2010
perennial plant variety in the araceae family
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Cheilanthes hirta f. waterbergensis W.Jacobsen & N.Jacobsen 1988
plant form in the pteridaceae family
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Hordeum brachyantherum ssp. californicum (California Barley) (Covas & Stebbins) Bothmer, N.Jacobsen & Seberg 1991
plant subspecies in the poaceae family
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Cryptocoryne versteegii var. jayaensis N.Jacobsen, Bastm., P.J.Edwards, R.J.Johns, N.Takah. & Wongs 2014
perennial plant variety in the araceae family
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Cryptocoryne × sumateraensis (W.Reichert) N.Jacobsen 2023
perennial plant hybrid species in the araceae family
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Cryptocoryne srilankaensis Yakand., Bastm., N.Jacobsen & Wongso 2024
plant species in the araceae family
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Cryptocoryne × schulzeioides N.Jacobsen 2020
perennial plant hybrid species in the araceae family
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Cryptocoryne × purpurea borneoensis N.Jacobsen, Bastm. & Yuji Sasaki 2002
plant hybrid variety in the araceae family
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Cryptocoryne palawanensis Bastm., N.Jacobsen & Naive 2022
plant species in the araceae family
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Cryptocoryne paglaterasiana Naive & N.Jacobsen 2022
plant species in the araceae family
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Cryptocoryne matakensis Bastm., K.Nakamoto & N.Jacobsen 2014
perennial plant species in the araceae family
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Cryptocoryne × griffithiioides N.Jacobsen 2020
plant hybrid species in the araceae family
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Cryptocoryne crispatula var. yunnanensis (H.Li) H.Li & N.Jacobsen 2010
perennial plant variety in the araceae family
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Cryptocoryne crispatula var. tonkinensis (Gagnep.) N.Jacobsen 1991
perennial plant variety in the araceae family
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Cryptocoryne crispatula var. kubotae N.Jacobsen & Bastm. 2015
perennial plant variety in the araceae family
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