Butterfly abundance declines over 20 years of systematic monitoring in Ohio, USA User benstrumental, in the Cincinnati, USA subreddit, 11 Aug 2019
Butterfly abundance declines over 20 years of systematic monitoring in Ohio User mddtsk, in the Low-volume, low-noise, moderated discussion of our coming collapse subreddit, 12 Jul 2019
Butterfly abundance declines over 20 years of systematic monitoring in Ohio User mddtsk, in the Verywhen subreddit, 12 Jul 2019