EntityQ729850· pop 14· linked from 136 articlesIvan Murray JohnstonSign in to saveAmerican botanist (1898-1960)ConnectionsbotanyEntityGuggenheim FellowshipEntityChileCountryCaliforniaEntityLos AngelesEntityMassachusettsEntityBostonEntityInternational Standard Book NumberEntityHarvard UniversityEntityAngiospermsEntityalgaeEntityfernEntitydigital object identifierEntityInternational Standard Serial NumberEntityseed plantEntityUniversity of California, BerkeleyEntityBrassicaceaeEntityJSTOROrganizationBoraginaceaeEntitymonotypic taxonEntityCategories1898 births1960 deaths20th-century American botanistsAmerican pteridologistsArnold ArboretumBotanists active in CaliforniaBotanists with author abbreviationsFellows of the American Academy of Arts and SciencesFellows of the American Association for the Advancement of ScienceHarvard University alumniHarvard University facultyPomona College alumni