Helmut E. Freitag

German botanist and university teacher.

Abbreviations: Freitag
Occupations: university teacher, curator, botanist, botanical collector
Citizenships: Germany
Languages: German, French
Dates: 1932-01-01T00:00:00Z
Birth place: Berlin
Direct attributions: 52 plants, 0 fungi
Authorship mentions: 63 plants, 0 fungi
Links:IPNIVIAF

52 plants attributed, 11 plants contributed to63 plants:

Spirobassia hirsuta (Hairy Smotherweed) (L.) Freitag & G.Kadereit 2011
annual plant species in the amaranthaceae family
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Eokochia saxicola (Guss.) Freitag & G.Kadereit 2011
plant species in the amaranthaceae family
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Eokochia Freitag & G.Kadereit 2011
plant genus in the amaranthaceae family
Eokochia is a monotypic genus of flowering plants belonging to the amaranth family. The only species is Eokochia saxicola, a very rare plant only found in Italy.
Sedobassia sedoides (Pall.) Freitag & G.Kadereit 2011
annual plant species in the amaranthaceae family
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Grubovia Freitag & G.Kadereit 2011
plant genus in the amaranthaceae family
Grubovia is a genus of flowering plants belonging to the family Amaranthaceae. It is native to Hungary, Romania, Yugoslavia, Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, West Siberia, Mongolia, Tibet and parts of China (Manchuria, Inner Mongolia, Qinghai and Xinjiang). It has been introduced into Czechoslovakia. The genus name of Grubovia is in honour of Valeri Grúbov (1917–2009), a Russian botanist with a focus on central Asia. It was first described and published in Taxon Vol.60 on page 72 in 2011. Known species, according to Kew: Grubovia brevidentata G.L.Chu Grubovia dasyphylla
Suaeda aralocaspica (Bunge) Freitag & Schütze 2003
annual plant species in the chenopodiaceae family
Suaeda aralocaspica is a species of plant in the family Amaranthaceae that is restricted to the deserts of Central Asia. It is a halophyte and uses C4 carbon fixation but lacks the characteristic leaf anatomy of other C4 plants (known as kranz anatomy). Carrying out complete C4 photosynthesis within individual cells, these plants instead are known as single‐cell C4 system or SCC4 plants. This makes them distinct from typical C4 plants, which require the collaboration of two types of photosynthetic cells. SCC4 plants have features that make them potentially valuable in engineering higher
Grubovia dasyphylla (Fisch. & C.A.Mey.) Freitag & G.Kadereit 2011
annual plant species in the amaranthaceae family
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Bassia pilosa (Fisch. & C.A.Mey.) Freitag & G.Kadereit 2011
annual plant species in the amaranthaceae family
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Bassia lasiantha Freitag & G.Kadereit 2011
annual plant species in the amaranthaceae family
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Spirobassia Freitag & G.Kadereit 2011
plant genus in the amaranthaceae family
Spirobassia hirsuta is a species of flowering plant in the amaranth family, Amaranthaceae. It is the sole species in genus Spirobassia. It is an annual plant native to temperate Eurasia, ranging from Spain to Germany and Italy, and from Greece to Ukraine, the Caucasus, western Siberia, Central Asia, Xinjiang, and Iran.
Grubovia melanoptera (Bunge) Freitag & G.Kadereit 2011
annual plant species in the amaranthaceae family
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Bassia odontoptera (Schrenk) Freitag & G.Kadereit 2011
annual plant species in the amaranthaceae family
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Astragalus kavirensis Freitag 1983
plant species in the fabaceae family
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Astragalus hermannii Freitag & Podlech 1980
perennial plant species in the fabaceae family
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Salsola griffithii (Bunge) Freitag & Khani 1987
plant species in the amaranthaceae family
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Ephedra somalensis (Somaliland Jointfir) Freitag & Maier-St. 2003
plant species in the ephedraceae family
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Ephedra milleri Freitag & Maier-St. 1992
plant species in the ephedraceae family
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Bellevalia feinbruniae Freitag & Wendelbo 1970
plant species in the asparagaceae family
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Bassia angustifolia (Turcz.) Freitag & G.Kadereit 2011
annual plant species in the amaranthaceae family
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Astragalus touranicus Freitag & Podlech 1980
perennial plant species in the fabaceae family
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Stipa keniensis (Pilg.) Freitag 1989
perennial plant species in the poaceae family
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Stipa iranica Freitag 1985
perennial plant species in the poaceae family
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Salsola grandis Freitag, Vural & Adıgüzel 1999
plant species in the amaranthaceae family
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Bassia villosissima (Bong. & C.A.Mey.) Freitag & G.Kadereit 2011
plant species in the amaranthaceae family
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Bassia tianschanica (Pavlov) Freitag & G.Kadereit 2011
plant species in the amaranthaceae family
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Bassia littorea (Makino) Freitag & G.Kadereit 2011
annual plant species in the amaranthaceae family
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Onosma intricata Riedl & Freitag 1972
plant species in the boraginaceae family
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Suaeda tuvinica Lomon. & Freitag 2008
plant species in the chenopodiaceae family
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Suaeda tschujensis (Chuya Seepweed) Lomon. & Freitag 2003
plant species in the chenopodiaceae family
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Suaeda sibirica Lomon. & Freitag 2008
plant species in the chenopodiaceae family
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