Ralph Randles Stewart

American botanist (1890–1993).

Ralph Randles Stewart (April 15, 1890 – November 6, 1993) usually referred to as R. R. Stewart, was an American botanist and principal of Gordon College in Pakistan.

Abbreviations: R.R.Stewart
Occupations: scientific collector, botanist, botanical collector
Citizenships: United States
Dates: 1890-04-15T00:00:00Z – 1993-11-06T00:00:00Z
Birth place: New York City
Direct attributions: 16 plants, 0 fungi
Authorship mentions: 21 plants, 0 fungi

16 plants attributed, 5 plants contributed to21 plants:

Trisetum clarkei (Hook.f.) R.R.Stewart 1945
perennial plant species in the poaceae family
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Puccinellia thomsonii (Stapf ex Hook.f.) R.R.Stewart 1945
perennial plant species in the poaceae family
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Puccinellia stapfiana R.R.Stewart 1945
perennial plant species in the poaceae family
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Inula clarkei (Large Bluntleaf Inula) (Hook.f.) R.R.Stewart 1972
perennial plant species in the asteraceae family
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Erigeron altissimus R.R.Stewart 1972
plant species in the asteraceae family
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Pterachaenia stewartii (Hook.f.) R.R.Stewart 1952
annual plant species in the asteraceae family
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Erigeron swatensis Grierson ex R.R.Stewart 1972
plant species in the asteraceae family
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Erigeron pseudohyrcanicus Grierson ex R.R.Stewart 1972
perennial plant species in the asteraceae family
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Sibbaldia cuneata var. micrantha (Hook.f.) R.R.Stewart 1972
plant variety in the rosaceae family
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Scorzonera alba R.R.Stewart 1972
plant species in the asteraceae family
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Oxygraphis kamchatica (DC.) R.R.Stewart 1972
perennial plant species in the ranunculaceae family
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Nepeta glutinosa var. crenata R.R.Stewart 1972
perennial plant variety in the lamiaceae family
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Lepidagathis incurva var. ustulata (Nees) R.R.Stewart 1972
perennial plant variety in the acanthaceae family
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Jurinea himalaica R.R.Stewart 1972
plant species in the asteraceae family
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Centaurium pulchellum var. caspicum (Fisch. ex Griseb.) R.R.Stewart 1974
plant variety in the gentianaceae family
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Capparis spinosa var. mucronifolia (Boiss.) Hedge & Lamond ex R.R.Stewart 1972
plant variety in the capparaceae family
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Bongardia margalla R.R.Stewart ex Qureshi & Chaudhri 1987
plant species in the berberidaceae family
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Androsace hazarica R.R.Stewart ex Y.J.Nasir 1984
perennial plant species in the primulaceae family
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Aegopodium kashmiricum (R.R.Stewart ex Dunn) Pimenov 1992
perennial plant species in the apiaceae family
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Ziziphus mauritiana var. spontanea (Edgew.) R.R.Stewart ex Qaiser & Nazim. 1981
plant variety in the rhamnaceae family
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Polygonum rottboellioides var. tibeticum (Hook.f.) R.R.Stewart ex Qaiser 2001
annual plant variety in the polygonaceae family
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