Platform(s), such as mobile, website, API, other: web
URLs (aka web addresses) of any pages, if relevant: https://www.inaturalist.org/sources
Description of need: There are tons of duplicate sources, e.g. there are dozens of identical sources titled POWO (Plants of the World Online) (www.inaturalist.org/sources?q=powo) that could be merged for simplicity and to save space.
Feature request details: Some sort of tool like the place merger or taxon swaps, but for sources.