Marshall Conring Johnston (born May 10, 1930) is an American botanist who made several explorations in Mexico and specialized in plants in the family Gesneriaceae. Johnston was born in San Antonio in the family of Theodore Harris Johnston and Lucile Mary Conring. He went on his first botanical expeditions to Mexico while still in high school during 1945-1947. On those trips he visited the northern Mexican states of Tamaulipas, Nuevo Leon,

Coahuila Coahuila (), formally Coahuila de Zaragoza (), officially the Free and Sovereign State of Coahuila de Zaragoza ( es, Estado Libre y Soberano de Coahuila de Zaragoza), is one of the 32 states of Mexico. Coahuila borders the Mexican states of N ...

Durango Durango (), officially named Estado Libre y Soberano de Durango ( en, Free and Sovereign State of Durango; Tepehuán: ''Korian''; Nahuatl: ''Tepēhuahcān''), is one of the 31 states which make up the 32 Federal Entities of Mexico, situated in ...

, and Zacatecas. From 1972-1974 he made trips to

Chihuahua Chihuahua may refer to: Places *Chihuahua (state), a Mexican state **Chihuahua (dog), a breed of dog named after the state **Chihuahua cheese, a type of cheese originating in the state **Chihuahua City, the capital city of the state **Chihuahua Mun ...

, concentrating on desert flora. These early 1970s trips resulted in the bulk of his botanic collection. Marshal participated in the creation of the books ''Flora of Texas'', ''Flora of North America'', and ''Flora Neotropica''. Johnston was also a professor at the University of Texas at Austin.

Plant namesakes

* ''

Marshalljohnstonia ''Marshalljohnstonia'' is a genus of Mexican flowering plants in the tribe Cichorieae within the family Asteraceae. ;Species There is only one known species, ''Marshalljohnstonia gypsophila'', native to the State of Coahuila in northern Mexico. ...

'' (genus), Henrickson, 1976 * ''

Colubrina johnstonii ''Colubrina'' is a genus of about 30 species of flowering plants in the family Rhamnaceae, native to warm temperate to tropical regions of Africa, the Americas, southern Asia, northern Australia, and the Indian Ocean islands. Common names inc ...

'', T.Wendt, 1983 * '' Crataegus johnstonii'', J.B.Phipps, 1997 * ''

Euphorbia johnstonii ''Euphorbia'' is a very large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae. "Euphorbia" is sometimes used in ordinary English to collectively refer to all members of Euphorbiaceae (in deference ...

'', Mayfield, 1991 * ''

Frankenia johnstonii ''Frankenia johnstonii'' is a species of flowering plant known by the common name Johnston's seaheath, or Johnston's frankenia. It is native to southern Texas in the United States and northern Nuevo León in Mexico, where there are about 30 occur ...

'', Correll, 1966 * '' Hedeoma johnstonii'', R.S.Irving, 1977 * ''

Karwinskia johnstonii ''Karwinskia'' is a genus of flowering plants in the family Rhamnaceae. Species * '' Karwinskia calderonii'' Standl. * ''Karwinskia humboldtiana'' (Schult.) Zucc. * '' Karwinskia johnstonii'' R.Fernandez * '' Karwinskia latifolia'' Standl. * '' ...

'', R.Fernández, 1988 * ''

Matelea johnstonii ''Matelea'' is a genus of flowering plants in the family Apocynaceae. It contains about 200 species, which are commonly known as milkvines. Some people consider ''Chthamalia ''Chthamalia'' is a genus of flowering plants in the dogbane family ( ...

'', Shinners, 1964 * ''

Nerisyrenia johnstonii ''Nerisyrenia'' is a genus of flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vess ...

'', J.D.Bacon, 1978 * ''

Phacelia marshall-johnstonii ''Phacelia'' (phacelia, scorpionweed, heliotrope) is a genus of about 200 species of annual or perennial herbaceous plants in the borage family, native to North and South America. California is particularly rich in species with over 90 record ...

'', N.D.Atwood & Pinkava, 1977 * ''

Portulaca johnstonii ''Portulaca'' (, is the type genus of the flowering plant family Portulacaceae, with over 100 species, found in the tropics and warm temperate regions. They are known as the purslanes. Common purslane (''Portulaca oleracea'') is widely consume ...

'', Henrickson, 1981 * ''

Johnstonalia ''Johnstonalia'' is a monotypic genus of flowering plants belonging to the family Rhamnaceae. The only species is ''Johnstonalia axilliflora'' It is native to Peru. The genus name of ''Johnstonalia'' is in honour of Marshall Conring Johnston ...

'', Tortosa, 2006

Works

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References

External links

{{DEFAULTSORT:Johnston, Marshall Conring 21st-century American botanists 1930 births Living people People from San Antonio University of Texas at Austin people