EntityQ19874593· pop 5· linked from 8 articlesJohn George JackSign in to saveAmerican botanist (1861-1949)ConnectionsQuebecEntityWayback MachineEntityMassachusetts Institute of TechnologyEntitydendrologyEntityUnited States Geological SurveyEntityInternational Plant Names IndexEntityRiver EdgeEntitylist of botanists by author abbreviationEntityauthor citation in botany and mycologyEntityChâteauguayEntitybotanical nameEntityCharles Sprague SargentEntityBig Horn MountainsEntityRhododendron schlippenbachiiEntityJohn William DawsonEntityArnold ArboretumEntityHermann August HagenEntity×AmelasorbusEntityRichard Alden HowardEntityAnnie JackEntityCategories1861 births1949 deathsAmerican botanistsAmerican male non-fiction writersAmerican science writersBotanists with author abbreviationsCanadian emigrants to the United StatesDendrologistsMassachusetts Institute of Technology facultyPeople from Châteauguay