Thomas Robertson Sim

South african botanist (1858-1938).

Thomas Robertson Sim (25 June 1858 in Northfield, Aberdeen, Scotland – 23 July 1938 in Durban, Natal) was a botanist, bryologist, botanical artist and Conservator of Forests in Natal, best known for his monumental work The Forests and Forest Flora of the Colony of the Cape of Good Hope which appeared in 1907. He was the eldest of five children of John Sim (1824–1901), a noted bryologist and Isabella Thomson Robertson (1823-).

Abbreviations: Sim
Occupations: explorer, bryologist, botanist, botanical collector
Citizenships: South Africa
Languages: English
Dates: 1858-01-01T00:00:00Z – 1938-01-01T00:00:00Z
Direct attributions: 51 plants, 0 fungi
Authorship mentions: 83 plants, 0 fungi

51 plants attributed, 32 plants contributed to83 plants:

Milicia Sim 1909
plant genus in the moraceae family
Iroko (Yoruba: Ìrókò) is a large hardwood tree from the west coast of tropical Africa that can live up to 500 years. This is the common name for the genus Milicia, in which there are two recognized species, which are closely related: Milicia excelsa and Milicia regia. The genus name of Milicia is in honour of Milici (19th and 20th centuries), an administrator in Portuguese East Africa (in modern-day Mozambique) who supported the work of the author of the genus, Thomas Robertson Sim. It was first described and published in Forest Fl. Port. E. Afr. on page 97 in 1909. The tree is known to the
Macaranga capensis (Wild Poplar) (Baill.) Sim 1907
plant species in the euphorbiaceae family
Macaranga capensis is a species of flowering plant in the spurge family, Euphorbiaceae. It is a tree native to sub-Saharan Africa, ranging through eastern and southern Africa from southern Ethiopia to the Eastern Cape Province of South Africa, with an outlier population in Gabon in west-central Africa. Macaranga capensis is a medium to large deciduous tree, typically 4.5 to 18 metres (15 to 59 ft) tall and occasionally up to 25 metres (82 ft). It has a rounded spreading crown. It typically has a straight bole, and the trunk and branches are armed with short spines. The leaves are large,
Heywoodia lucens (Stink-ebony) Sim 1907
plant species in the phyllanthaceae family
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Tricalysia capensis (Forest Jackal-coffee) (Meisn. ex Hochst.) Sim 1907
plant species in the rubiaceae family
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Tarenna pavettoides (Harv.) Sim 1907
plant species in the rubiaceae family
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Pteris buchananii (Buchanan's Brake) Baker ex Sim 1892
plant species in the pteridaceae family
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Umtiza listeriana (Omtisa) Sim 1907
vulnerable plant species in the fabaceae family
Umtiza is a monotypic genus in the legume family Fabaceae containing the single species Umtiza listeriana. This tree is endemic to a small coastal portion of the Eastern Cape in South Africa.
Putterlickia verrucosa (False Forest Spike-thorn) Sim 1907
plant species in the celastraceae family
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Isoetes wormaldii (Floating Quillwort) Sim 1906
critically endangered plant species in the isoetaceae family
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Dovyalis lucida (Glossy Sourberry) Sim 1907
plant species in the salicaceae family
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Scolopia flanaganii (Kei Red-pear) (Bolus) Sim 1907
plant species in the salicaceae family
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Orthotrichum transvaaliense Rehmann ex Sim 1926
plant species in the orthotrichaceae family
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Heywoodia Sim 1907
plant genus in the phyllanthaceae family
Heywoodia is a genus of plants in the Phyllanthaceae first described as a genus in 1907. It contains only one known species, Heywoodia lucens, native to eastern, southeastern, and southern Africa (Kenya, Uganda, Tanzania, Mozambique, KwaZulu-Natal, Eswatini, Cape Province).
Gymnosporia cordata (Water Silky-bark) (E.Mey. ex Sond.) Sim 1907
plant species in the celastraceae family
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Excoecaria magenjensis Sim 1909
plant species in the euphorbiaceae family
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Umtiza Sim 1907
plant genus in the fabaceae family
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Oxyrrhynchium subasperum Sim 1926
plant species in the brachytheciaceae family
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Oxyrrhynchium confervoideum Sim 1926
plant species in the brachytheciaceae family
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Mielichhoferia subnuda Sim 1926
plant species in the mniaceae family
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Isopterygium taylorii Sim 1926
plant species in the pylaisiadelphaceae family
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Gymnostomum lingulatum Rehmann ex Sim 1926
plant species in the pottiaceae family
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Fissidens enervis Sim 1926
plant species in the fissidentaceae family
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Entosthodon spathulatus (Schimp. ex Müll.Hal.) Sim 1926
plant species in the funariaceae family
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Entosthodon dixonii Sim 1926
plant species in the funariaceae family
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Distichophyllum mniifolium (Hornsch.) Sim 1926
plant species in the daltoniaceae family
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Dicranella rigida Dixon ex Sim 1926
plant species in the dicranellaceae family
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Breutelia tabularis Dixon ex Sim 1926
plant species in the bartramiaceae family
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Riccia pottsiana Sim 1926
plant species in the ricciaceae family
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Riccia natalensis Sim 1926
plant species in the ricciaceae family
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Riccia garsidei Sim 1926
plant species in the ricciaceae family
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