I. M. (Ivan Murray) Johnston (February 28, 1898–May 31, 1960), was a

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

. He studied at Pomona College in

Claremont, California Claremont () is a suburban city on the eastern edge of Los Angeles County, California, United States, east of downtown Los Angeles. It is in the Pomona Valley, at the foothills of the San Gabriel Mountains. As of the 2010 census it had a popul ...

and at

Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...

. His plant collections are housed in the ''

Rancho Santa Ana Botanic Garden The California Botanic Garden (formerly the Rancho Santa Ana Botanic Garden) is a botanical garden in Claremont, California, in the United States, just south of the San Gabriel foothills. The garden, at , is the largest botanic garden in the sta ...

'', in Claremont, and also in the ''Gray Herbarium'' of Harvard University. His areas of interest, were, among others: Pteridophytes,

Spermatophyte A spermatophyte (; ), also known as phanerogam (taxon Phanerogamae) or phaenogam (taxon Phaenogamae), is any plant that produces seeds, hence the alternative name seed plant. Spermatophytes are a subset of the embryophytes or land plants. They inc ...

Honours

In 1925, German botanist

August Brand August Brand (19 August 1863 – 17 September 1930) was a German philologist and botanist. Brand was born in Berlin. He studied classical philology at Bonn and Berlin, obtaining his doctorate in 1885 with the thesis "De dialectis Aeolicis quae ...

, named 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, vessel') and ('seed'), and refers to those plants th ...

s (belonging to the family

Boraginaceae Boraginaceae, the borage or forget-me-not family, includes about 2,000 species of shrubs, trees and herbs in 146, to 156 genera with a worldwide distribution. The APG IV system from 2016 classifies the Boraginaceae as single family of the order ...

), from South America and southern states in USA, as '' Johnstonella'' in his honour. Then in 1933, botanist O.E.Schulz named a genus of flowering plants (belonging to the family Brassicaceae), from

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

as '' Ivania''. In 1936, botanist

Hsen Hsu Hu Hu Xiansu or Hu Hsien-Hsu (, 24 May 1894 – 16 July 1968), was a Chinese botanist and an influential traditional scholar of his time. He was a founder of plant taxonomy in China and a pioneer of modern botany research in the country. Education a ...

published ''

Sinojohnstonia ''Sinojohnstonia'' is a genus of flowering plants belonging to the family Boraginaceae. It is native to China (within north-central, south-central, south-east and Inner Mongolia regions). The genus name of ''Sinojohnstonia'' is in honour of Ivan ...

'', which is a genus of flowering plants from China, belonging to the family Boraginaceae. Lastly in 1975, another botanist Kazmi, named a monotypic genus of flowering plants (belonging to the family Boraginaceae), from the Western Himalaya region, ''

Ivanjohnstonia ''Ivanjohnstonia'' is a monotypic genus of flowering plants belonging to the family Boraginaceae. The only species is ''Ivanjohnstonia jaunsariensis'' Its native range is the Western Himalaya. The genus name of ''Ivanjohnstonia'' is in honour ...

'' also named in his honour.

Taxa named by Johnston

* ''

Fitzroya cupressoides ''Fitzroya'' is a monotypic genus in the cypress family. The single living species, ''Fitzroya cupressoides'', is a tall, long-lived conifer native to the Andes mountains and coastal of southern Chile, and only to the Andes mountains Argentina, ...

'' * ''

Leucophyllum frutescens ''Leucophyllum frutescens'' is an evergreen shrub in the figwort family, Scrophulariaceae, native to the U.S. state of Texas, where it is the official "State Native Shrub of Texas", and to the states of Coahuila, Nuevo León, and Tamaulipas in ...

'' * ''

Astragalus sprucei ''Astragalus sprucei'' is a species of legume in the family Fabaceae. It is found only in Ecuador. Its natural habitat is subtropical or tropical moist montane forest Montane ecosystems are found on the slopes of mountains. The alpine climat ...

'' * ''

Euplassa ''Euplassa'' is a genus of flowering plants in the protea family. It is native to tropical South America, including Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela."''Euplassa'' Salisb. ex Knight". Plants ...

'' * ''

Euplassa occidentalis ''Euplassa occidentalis'' is a species of plant in the family Proteaceae. It is endemic to Ecuador. References occidentalis This list of Latin and Greek words commonly used in systematic names is intended to help those unfamiliar with class ...

'' * ''

Fuchsia hypoleuca ''Fuchsia hypoleuca'' is a species of plant in the family Onagraceae. It is endemic to Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, whic ...

'' * ''

Brunnera macrophylla ''Brunnera macrophylla'', the Siberian bugloss, great forget-me-not, largeleaf brunnera or heartleaf, is a species of flowering plant in the family Boraginaceae, native to the Caucasus. It is a hardy, rhizomatous, herbaceous perennial, that can ...

References

Literature

* R.E.G.Pichi Sermolli, 1 March 1991 * James S Miller, Mary Sue Taylor und Erin Rempala: ''Ivan M. Johnston's Studies in the Boraginaceae.'' Missouri BG, 2005. * Donovan S. Correll: ''Ivan Murray Johnston (1898–1960).'' In: ''Taxon'', Vol. 10, Nr. 1 (Jan., 1961), Seiten 1-8 * J. Lanjouw: ''Ivan Murray Johnston (1898–1960).'' In: ''Taxon'', Vol. 9, Nr. 7 (Sep., 1960), Seite 220
Robert Jan 'Roy' van de Hoek: ''Restoration and Recovery for Elna Bakker and Ivan Johnston. "R&R" for the Playa del Rey Frogs and Plants.'' 2005
Pteridologists Botanists active in California 1898 births 1960 deaths Harvard University alumni Pomona College alumni Scientists from California 20th-century American botanists {{US-botanist-stub