Helmut Roessler

Botanist.

Abbreviations: Roessler
Occupations: botanist
Dates: 1926-01-01T00:00:00Z – 2019-06-15T00:00:00Z
Birth place: Kempten
Direct attributions: 93 plants, 0 fungi
Authorship mentions: 102 plants, 0 fungi
Links:IPNIVIAF

93 plants attributed, 9 plants contributed to102 plants:

Nemesia violiflora Roessler 1965
annual plant species in the scrophulariaceae family
Nemesia violiflora is a species of plant in the family Scrophulariaceae. It is endemic to Namibia. Its natural habitat is rocky areas.
Gazania rigida (Red Gazania) (Burm.f.) Roessler 1959
plant species in the asteraceae family
Gazania rigida, the "Karoo Gazania", is a species of flower native to the Western Cape and Northern Cape Provinces of South Africa.
Trachyandra ensifolia (Sölch) Roessler 1973
plant species in the asphodelaceae family
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Manulea dubia (Skan) Overkott ex Roessler 1966
perennial plant species in the scrophulariaceae family
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Berkheya cirsiifolia (Lesotho Thistle) (DC.) Roessler 1959
plant species in the asteraceae family
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Hebenstretia kamiesbergensis (Kamiesberg Slugwort) Roessler 1979
plant species in the scrophulariaceae family
Hebenstretia kamiesbergensis, the Kamiesberg slugwort, is a species of plant from the Kamiesberg Mountains in South Africa. It belongs to the figwort family.
Gazania leiopoda (Magnificent Treasureflower) (DC.) Roessler 1959
plant species in the asteraceae family
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Fuirena bullifera J.Raynal & Roessler 1977
annual plant species in the cyperaceae family
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Fuirena angolensis (C.B.Clarke) Lye ex J.Raynal & Roessler 1977
annual plant species in the cyperaceae family
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Cullumia aculeata (Smallflower Snakethistle) (Houtt.) Roessler 1959
plant species in the asteraceae family
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Cleome laburnifolia Roessler 1960
annual plant species in the cleomaceae family
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Berkheya chamaepeuce (Tree Thistlethorn) (S.Moore) Roessler 1959
plant species in the asteraceae family
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Hirpicium bechuanense (S.Moore) Roessler 1959
plant species in the asteraceae family
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Hibiscus merxmuelleri Roessler 1985
plant species in the malvaceae family
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Hebenstretia paarlensis Roessler 1979
annual plant species in the scrophulariaceae family
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Hebenstretia neglecta Roessler 1979
annual plant species in the scrophulariaceae family
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Hebenstretia namaquensis (Namaqua Slugwort) Roessler 1979
plant species in the scrophulariaceae family
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Hebenstretia anomala Roessler 1982
annual plant species in the scrophulariaceae family
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Cullumia selago (Swartrivier Snakethistle) Roessler 1959
plant species in the asteraceae family
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Berkheya sphaerocephala (Ball African Thistle) (DC.) Roessler 1950
plant species in the asteraceae family
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Berkheya rosulata (Rosette Thistle) Roessler 1950
plant species in the asteraceae family
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Berkheya robusta Bohnen ex Roessler 1950
plant species in the asteraceae family
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Berkheya radyeri Roessler 1959
plant species in the asteraceae family
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Berkheya pauciflora Roessler 1960
plant species in the asteraceae family
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Berkheya multijuga (Thorny African Thistle) (DC.) Roessler 1959
plant species in the asteraceae family
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Berkheya mckenii (Harv.) Roessler 1959
plant species in the asteraceae family
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Berkheya mackenii (Harv.) Roessler 1959
plant species in the asteraceae family
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Berkheya erysithales (DC.) Roessler 1959
plant species in the asteraceae family
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Berkheya eriobasis (DC.) Roessler 1959
plant species in the asteraceae family
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Berkheya draco Roessler 1959
plant species in the asteraceae family
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