Table 1. Data source table.
Different periods of data corresponding to different sources.
| Period | Field | Literature | News | GBIF | Izumi | Total |
|---|---|---|---|---|---|---|
| Pre 21C | 0 | 6 | 1 | 3 | 20 | 30 |
| 2000∼09 | 4 | 6 | 16 | 17 | 10 | 53 |
| 2010∼17 | 10 | 9 | 27 | 32 | 8 | 86 |
| Total | 14 | 21 | 44 | 52 | 38 | 169 |
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