| Not Evaluated | Conservation Dependent | Critically Endangered | Data deficient | Endangered | Total | |
|---|---|---|---|---|---|---|
| Alismatales | 62 | 1 | 64 | |||
| Andreaeales | 2 | 2 | ||||
| Anthocerotales | 2 | 2 | ||||
| Apiales | 150 | 2 | 153 | |||
| Aquifoliales | 10 | 10 | ||||
| Araucariales | 1 | |||||
| Arecales | 52 | 52 | ||||
| Asparagales | 546 | 557 | ||||
| Asterales | 3033 | 7 | 3 | 3048 | ||
| Austrobaileyales | 8 | 8 |
