Description: Slide from a set used to teach biology at Belleville Collegiate Institute and Vocational School, Belleville, Ontario, possibly in the 1920s. The original boxes were labelled 'Junior' and 'Senior', but the contents appear to have been mixed up. Donated to the Community Archives of Belleville and Hastings County by Mike and Sue Mills in October 2015. Date: 1 January 1925, 00:00. Source: Xanthium Canadense. Author: Community Archives.
Description: Español: Xanthium strumarium hábito, Sierra Nevada, España English: Xanthium strumarium habit, Sierra Nevada, Spain. Date: 17 July 2010. Source: Own work. Author: Javier martin. Permission(Reusing this file): Public domainPublic domainfalsefalse. : I, the copyright holder of this work, release this work into the public domain. This applies worldwide.In some countries this may not be legally possible; if so:I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law..
