Per Karl Hjalmar Dusén

Swedish civil engineer, botanist and explorer (1855–1926).

Per Karl Hjalmar Dusén (1855–1926) was a Swedish civil engineer, botanist and explorer. As a botanist his interests included pteridology, bryology, and paleobotany. He made botanical expeditions to Africa, Greenland, and South America. During his expeditions to Greenland, he visited Disko Island to catalogue the variety of flowering plants, horsetails and ferns. Between 1890 and 1892, Dusén collected nearly 560 leaf fossils preserved in basalt in the vicinity of Mount Cameroon on the west coast of Cameroon. Later, these fossils were studied by the German paleobotanist Paul J. Menzel (1864–1927

Abbreviations: Dusén
Occupations: scientific explorer, scientific collector, mechanical engineer, cartographer, bryologist, paleontologist, botanist, botanical collector
Citizenships: Sweden
Languages: German
Dates: 1855-00-00T00:00:00Z – 1926-01-22T00:00:00Z
Birth place: Q10715642
Direct attributions: 109 plants, 0 fungi
Authorship mentions: 206 plants, 0 fungi

109 plants attributed, 97 plants contributed to206 plants:

Schoenus antarcticus (Hook.f.) Dusén 1900
perennial plant species in the cyperaceae family
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Salvia ombrophila Dusén 1903
plant species in the lamiaceae family
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Salvia oligantha Dusén 1909
plant species in the lamiaceae family
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Carex dusenii Kük. ex Dusén 1908
perennial plant species in the cyperaceae family
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Alstroemeria radula Dusén 1905
plant species in the alstroemeriaceae family
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Solanum paranense Dusén 1910
plant species in the solanaceae family
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Solanum lacerdae Dusén 1903
plant species in the solanaceae family
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Sisyrinchium trichanthum Dusén 1909
plant species in the iridaceae family
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Salvia itatiaiensis Dusén 1908
plant species in the lamiaceae family
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Plantago sempervivoides Dusén 1907
perennial plant species in the plantaginaceae family
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Euphorbia paranensis Dusén 1910
plant species in the euphorbiaceae family
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Eryngium ombrophilum Dusén & H.Wolff 1911
perennial plant species in the apiaceae family
Eryngium ombrophilum is a plant species native to Brazil, the type specimen collected there from the State of Paraná. Eryngium ombrophilum is a perennial semelparous herb. Leaves are thin but firm and rigid. Prophylls 5, lanceolate, the margins spiny and bristly, about 1 cm (0.3 inches) long. Flower head ovoid to cylindrical, 15 mm (0.6 inches) long and 6 mm (0.24 inches) in diameter. Flowers yellow-green.
Senecio westermanii Dusén 1910
plant species in the asteraceae family
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Senecio pelquensis Dusén 1914
plant species in the asteraceae family
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Senecio martinensis Dusén 1907
plant species in the asteraceae family
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Senecio chrysanthemum Dusén 1915
plant species in the asteraceae family
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Senecio alloeophyllus O.Hoffm. ex Dusén 1900
plant species in the asteraceae family
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Oxalis loricata Dusén 1901
plant species in the oxalidaceae family
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Orthotrichum compactum Dusén 1995
plant species in the orthotrichaceae family
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Orthostichidium Müll.Hal. ex Dusén 1895
plant genus in the pterobryaceae family
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Mimosa monticola Dusén 1903
plant species in the fabaceae family
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Mimosa itatiaiensis Dusén 1903
plant species in the fabaceae family
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Manettia pauciflora Dusén 1905
plant species in the rubiaceae family
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Macromitrium bifasciculare Müll.Hal. ex Dusén
plant species in the orthotrichaceae family
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Lobelia langeana Dusén 1910
perennial plant species in the campanulaceae family
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Jaborosa magellanica (Griseb.) Dusén 1900
perennial plant species in the solanaceae family
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Eryngium chubutense Neger ex Dusén 1900
annual plant species in the apiaceae family
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Cortaderia modesta (Döll) Hack. ex Dusén 1909
perennial plant species in the poaceae family
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Camptodontium Dusén 1905
plant genus in the rhabdoweisiaceae family
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Velloziella westermanii Dusén 1910
plant species in the orobanchaceae family
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