Robert Alan Foster

American botanist (1938-2002).

Abbreviations: R.A.Foster
Occupations: horticulturist, botanist
Citizenships: United States
Dates: 1938-01-01T00:00:00Z – 2002-01-01T00:00:00Z
Birth place: Los Angeles
Direct attributions: 12 plants, 0 fungi
Authorship mentions: 32 plants, 0 fungi
Links:IPNI

12 plants attributed, 20 plants contributed to32 plants:

Turbinicarpus valdezianus (H.Moeller) Glass & R.A.Foster 1977
vulnerable plant species in the cactaceae family
Turbinicarpus valdezianus is a plant species in the Cactaceae family.
Turbinicarpus laui Glass & R.A.Foster 1975
critically endangered plant species in the cactaceae family
Turbinicarpus laui is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts. It is threatened by habitat loss.
Mammillaria anniana (Bernal Cactus) Glass & R.A.Foster 1981
critically endangered plant species in the cactaceae family
Mammillaria anniana is a species of plant in the family Cactaceae. It is endemic to Tamaulipas state of northeastern Mexico. Its natural habitat is hot deserts. It is a Critically endangered species, threatened by habitat loss.
Turbinicarpus pseudopectinatus (Backeb.) Glass & R.A.Foster 1977
plant species in the cactaceae family
Turbinicarpus pseudopectinatus is a species of plant in the family Cactaceae.
Mammillaria hernandezii Glass & R.A.Foster 1983
endangered plant species in the cactaceae family
Mammillaria hernandezii is a species of cacti in the tribe Cacteae. It is native to Mexico where it has a disjointed distribution in a small area of upland tropical pine scrub. There are estimated to be fewer than 500 plants in the wild and is classified as endangered.
Mammillaria tayloriorum Glass & R.A.Foster 1975
vulnerable plant species in the cactaceae family
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Mammillaria glassii R.A.Foster 1968
plant species in the cactaceae family
Mammillaria glassii is a species of cactus native to Mexico. It comprises two subspecies: M. glassii subsp. glassii and M. glassii subsp. ascensionis. In its natural habitat, high in the mountains, it often grows on rocky slopes in the shade. It is grown as an ornamental plant, appreciated for its dense spines and pink flowers, which are especially large in the subsp. ascensionis.
Echinocereus nivosus Glass & R.A.Foster 1978
critically endangered plant species in the cactaceae family
Echinocereus nivosus is a species of cactus native to Mexico.
Mammillaria oteroi (Cactus) Glass & R.A.Foster 1975
vulnerable plant species in the cactaceae family
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Mammillaria fittkaui Glass & R.A.Foster 1971
plant species in the cactaceae family
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Thelocactus rinconensis var. phymatothele (Poselg.) Glass & R.A.Foster 1977
plant variety in the cactaceae family
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Echinomastus warnockii (Warnock's Fishhook Cactus) (L.D.Benson) Glass & R.A.Foster 1975
plant species in the cactaceae family
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Acharagma aguirreanum (Glass & R.A.Foster) Glass 1997
critically endangered plant species in the cactaceae family
Acharagma aguirreanum is a critically endangered microendemic cactus. It has a range of about one square kilometer in the calcareous semi-desert of the Sierra de la Paila in Coahuila, Mexico. Its population is estimated at less than 1000 individuals. Its only major threat is illegal collecting.
Escobaria laredoi (Glass & R.A.Foster) N.P.Taylor 1979
plant species in the cactaceae family
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Coryphantha potosiana (Jacobi) Glass & R.A.Foster ex Rowley 1972
critically endangered plant species in the cactaceae family
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Rapicactus zaragozae (Glass & R.A.Foster) D.Donati 2003
plant species in the cactaceae family
Rapicactus zaragosae, synonym Turbinicarpus zaragosae, is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts. It is threatened by habitat destruction.
Rapicactus zaragosae (Glass & R.A.Foster) D.Donati 2003
plant species in the cactaceae family
Rapicactus zaragosae, synonym Turbinicarpus zaragosae, is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts. It is threatened by habitat destruction.
Turbinicarpus dickisoniae (Glass & R.A.Foster) Glass & A.Hofer 1997
plant species in the cactaceae family
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Turbinicarpus viereckii ssp. major (Glass & R.A.Foster) Glass 1997
plant subspecies in the cactaceae family
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Turbinicarpus schmiedickeanus ssp. gracilis (Glass & R.A.Foster) Glass 1997
plant subspecies in the cactaceae family
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Thelocactus conothelos ssp. aurantiacus (Glass & R.A.Foster) Glass 1997
plant subspecies in the cactaceae family
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Thelocactus conothelos ssp. argenteus (Glass & R.A.Foster) Glass 1997
plant subspecies in the cactaceae family
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Pelecyphora laredoi (Glass & R.A.Foster) D.Aquino & Dan.Sánchez 2022
plant species in the cactaceae family
Pelecyphora laredoi is a species of flowering plant in the family Cactaceae, native to Mexico.
Turbinicarpus schmiedickeanus ssp. dickisoniae (Glass & R.A.Foster) N.P.Taylor 1998
plant subspecies in the cactaceae family
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Torreycactus conothele ssp. aurantiacus (Glass & R.A.Foster) Doweld 2000
plant subspecies in the cactaceae family
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Torreycactus conothele ssp. argenteus (Glass & R.A.Foster) Doweld 2000
plant subspecies in the cactaceae family
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Pelecyphora chihuahuensis ssp. henricksonii (Glass & R.A.Foster) D.Aquino & Dan.Sánchez 2022
plant subspecies in the cactaceae family
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Mammillaria pennispinosa ssp. nazasensis (Glass & R.A.Foster) D.R.Hunt 1997
plant subspecies in the cactaceae family
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Escobaria chihuahuensis ssp. henricksonii (Henrickson's Cob Cory Cactus) (Glass & R.A.Foster) N.P.Taylor 1998
plant subspecies in the cactaceae family
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Echinocereus knippelianus ssp. kruegeri (Glass & R.A.Foster) Glass 1997
plant subspecies in the cactaceae family
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