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Table 1 The plant species included in this study, sorted according to mean FFD in UK, include information on earliest and latest FFD, the total number of observations, and the number of FFD observations in time series (TS) ≥ 15 years

From: Climate effects on the onset of flowering in the United Kingdom

Species

Mean FFD ± SD

Earliest/latest FFD

No. of TS ≥ 15 years

No. of observations

Total (TS ≥ 15 years)

Length of TS

Mean ± SD

Coltsfoot

9 Mar ± 17 days

18 Jan–1 May

30

9390 (534)

18 ± 6.89

Wood anemone

27 Mar ± 13 days

13 Feb–9 May

64

16,053 (1016)

16 ± 1.44

Bluebell

15 Apr ± 13 days

7 Mar–25 May

132

27,787 (2117)

16 ± 2.44

Cuckooflower

16 Apr ± 15 days

1 Mar–30 May

60

14,475 (994)

17 ± 4.51

Garlic mustard

20 Apr ± 10 days

13 Mar–26 May

65

14,453 (1057)

16 ± 4.50