| Rank | Section | Accessed |
|---|
| Rank | Genus | Accessed |
|---|
| Rank | Species | Accessed |
|---|
| Rank | Contributor | Accessed |
|---|
| Rank | Country | Accessed |
|---|---|---|
| 1 | United States | 41 |
| 2 | Japan | 5 |
| 3 | Unknown | 3 |
| 4 | Canada | 3 |
| 5 | United Kingdom | 2 |
| 6 | Hong Kong Special Administrative Region of China | 2 |
| 7 | Taiwan Province of China | 2 |
| 8 | Finland | 1 |
| 9 | Poland | 1 |
| 10 | Republic of Korea | 1 |