Table 1 Mean δ13C value of different plants’ nectar.
From: Tracing old carbon sources in Hungarian nectar samples using radiocarbon analysis
No. | Plant species | δ13C | SD | n |
|---|---|---|---|---|
1 | Sunflower (Helianthus annuus) | −28.402 | 1.2 | 5 |
2 | Apple (Malus domestica) | −27.462 | 1.0 | 5 |
3 | Rapeseed (Brassica napus) | −26.486 | 0.5 | 9 |
4 | Black locust (Robinia pseudoacacia) | −26.305 | 1.1 | 23 |
5 | Phacelia (Phacelia tanacetifolia) | −24.765 | 1.8 | 9 |
6 | Linden (Tilia tomentosa) | −24.193 | 2.3 | 5 |