Repro steps:
- Search for 'Arecaceae' and load it
- Tap edit and you'll see the article's wikitext
- Load the 'Subtropics' article
- Search for 'palms'
- Tap the 'palms' link and you'll see it redirects to 'Arecaceae'
- Tap the edit button and you'll see the wikitext for the 'palms' redirect page instead of that of the 'Arecaceae' page you were redirect to
- Tap the "W" and then tap the 'History' icon in the toolbar
- You'll see 'Arecaceae' twice
Animation of all repro steps:
http://imgur.com/a/Xm2OO