Ageratum conyzoides L.
Brazil. Rio de Janeiro. Rio de Janeiro. Near Rio Janeiro.
Phenology of specimen: Fertile.
NY Barcode: 669920
Georeferencing Quick Reference Guide, Version 2012 (Georeferenced to the approximate geographic center of the city of Rio de Janeiro in Rio de Janeiro, Brazil; taking into account the added uncertainty of the word near in the locality description. Used Google Maps – Earth and Map Views to locate the city of Rio de Janeiro. Used the Google Maps – What's Here Tool to find the approximate geographic center of the city. Used the Google Maps – Measure Distance Tool to find the approximate linear extent of the city by measuring from the selected coordinates to the farthest extent of the city (to: -22.750309, -43.102267). Because the center of the nearest named place to the city of Rio de Janeiro, Nova Iguaçu, is closer to the approximate geographic center of Rio de Janeiro than the linear extent of the city itself; followed Case B of the "Near a Named Place" method of the Georeferencing Quick Reference Guide. Input coordinates, coordinate precision (.00001 degrees), coordinate source (locality description), datum (WGS84), linear extent (39840 m), and measurement error (5 m) into the MaNIS Georeferencing Calculator to find the uncertainty radius (according to the Georeferencing Quick Reference Guide, Named Place: Near a Named Place).) Coordinate Uncertainty(m):
39846.6 Geodetic Datum: