Jan H.J. Vlok

Botanist.

Abbreviations: Vlok
Occupations: botanist
Dates: 1957-01-01T00:00:00Z
Direct attributions: 14 plants, 0 fungi
Authorship mentions: 14 plants, 0 fungi
Links:IPNI

14 plants attributed to14 plants:

Disa arida (Kleinkaroo Disa) Vlok 1985
plant species in the orchidaceae family
Disa arida is a perennial plant and geophyte that belongs to the genus Disa and is part of the fynbos. The species is endemic to the Western Cape and occurs in the Outeniqua Mountains, Rooiberg and Gamkaberg. The plant has an area of occurrence of 574 km2 and there are seven sub-populations. The plant is threatened by the invasive plant, the Hakea species. One subpopulation has been completely taken over by this invasive plant. A comprehensive investigation from 2008 to 2012 indicated that no sub-population has more than 250 plants. The total population was estimated at less than 2000 plants.
Gladiolus uitenhagensis (Groendal Pypie) Goldblatt & Vlok 1989
plant species in the iridaceae family
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Rhodocoma gracilis (Slender Frayreed) H.P.Linder & Vlok 1991
perennial plant species in the restionaceae family
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Rhodocoma arida (Karoo Frayreed) H.P.Linder & Vlok 1991
perennial plant species in the restionaceae family
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Rhodocoma alpina H.P.Linder & Vlok 1991
perennial plant species in the restionaceae family
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Muraltia bondii Vlok 1989
plant species in the polygalaceae family
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Psoralea karooensis (Karoo Fountainbush) C.H.Stirt., Muasya & Vlok 2012
plant species in the fabaceae family
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Euryops diosmiphyllus Vlok 2020
plant species in the asteraceae family
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Euryops dasyphyllus Vlok 2020
plant species in the asteraceae family
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Euryops bertilii Vlok 2020
plant species in the asteraceae family
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Euryops tenax Vlok 2025
plant species in the asteraceae family
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Euryops subcarnosus ssp. fallax Vlok 2020
plant subspecies in the asteraceae family
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Euryops fallax (Vlok) Vlok 2025
plant species in the asteraceae family
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Erica inopina Vlok 2025
plant species in the ericaceae family
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