- That claim of Neolithic Georgian wine is, ahem, problematic.
- Yam cultivation can be, ahem, problematic.
- Neglecting women in breeding programmes can be, ahem, problematic.
- Khat cultivation is, ahem, problematic.
- Post-conquest depictions of the cacao plant were, ahem, problematic.
- Imperial plant collecting was, ahem, problematic. But the BBC doesn’t care.
- I find the claim that the potato saved Europe from war, ahem, problematic.
- No problem at all about cooking taro.