Argentinian Biddy Biddy

Description: English: Fruit of Acaena pinnatifida, photographed on the ARS Systematic Botany and Mycology Laboratory, United States, California, Alameda Co., Berkeley; for the USDA-NRCS PLANTS Database. Date: Unknown; 2008-03-03 or earlier based on Wayback Machine captures. Source: Image source: https://plants.usda.gov/home/plantProfile?symbol=ACPI3 Some description and date information from https://web.archive.org/web/20121017094035/http://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?27. Author: Photographed by Tracey Slotta Specimen collected by J. Burtt-Davy.

Description: English: Acaena pinnatifida in Jibou Botanical Garden. Date: 4 May 2018, 16:15:09. Source: Own work. Author: Krzysztof Ziarnek, Kenraiz.

Description: English: Acaena pinnatifida var. californica in the San Francisco Botanical Garden. Date: 19 September 2016, 03:40:35. Source: Own work. Author: Krzysztof Ziarnek, Kenraiz.

Description: A roadside weed producing small burrs in Patagonia. Date: 13 March 2015, 21:46. Source: Acaena pinnatifida. Author: Dick Culbert from Gibsons, B.C., Canada.

Description: English: Acaena pinnatifida in botanical garden in Poznań. Date: 4 August 2018, 17:58:08. Source: Own work. Author: Krzysztof Ziarnek, Kenraiz.

Description: English: Botanical specimen in the Regional Parks Botanic Garden, Berkeley, California, USA. Date: 14 November 2013, 19:42:55. Source: Own work. Author: Daderot.