Bror Johan Pettersson

Finnish botanist (1895-1957).

Abbreviations: Pett.
Occupations: botanist
Citizenships: Finland
Dates: 1895-01-01T00:00:00Z – 1957-00-00T00:00:00Z
Direct attributions: 3 plants, 0 fungi
Authorship mentions: 8 plants, 0 fungi
Links:IPNIVIAF

3 plants attributed, 5 plants contributed to8 plants:

Orchis × petterssonii G.Keller ex Pett. 1947
plant hybrid species in the orchidaceae family
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Pulicaria diffusa (Shuttlew.) Pett. 1960
endangered plant species in the asteraceae family
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Echium molle Pett. 1831
plant species in the boraginaceae family
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Verbascum cystolithicum (Pett.) Hub.-Mor. 1973
endangered plant species in the scrophulariaceae family
Verbascum cystolithicum is a species of flowers in the family Scrophulariaceae. The species is endemic to Cape Verde. The species was first described in 1960 by Bror Johan Petterson, who placed it in the genus Celsia. Arthur Huber-Morath placed it in the Verbascum species in 1973. Its local name is mato-branco, which may also refer to two other plants. Verbascum cystolithicum is only found in the mountainous area of the island of Fogo, above 1300 m elevation.
Crambe sventenii Pett. ex Bramwell & Sunding 1973
critically endangered plant species in the brassicaceae family
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Echium stenosiphon ssp. lindbergii (Pett.) Bramwell 1972
plant subspecies in the boraginaceae family
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Echium stenosiphon ssp. glabrescens (Pett.) Romeiras & M.C.Duarte 2011
plant subspecies in the boraginaceae family
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Launaea arborescens ssp. melanostigma (Pett.) Rivas Mart., Lousã, J.C.Costa & Maria C.Duarte 2017
plant subspecies in the asteraceae family
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