| Aruncus acuminatus Rydb. |
Synonym |
 |
TRO |
| Aruncus aethusifolius Nakai |
Unresolved |
 |
TRO |
| Aruncus allegheniensis Rydb. |
Unresolved |
 |
TRO |
| Aruncus allegheniensis var. pubescens (Rydb.) Fernald |
Synonym |
 |
TRO |
| Aruncus americanus auct. |
Synonym |
 |
TRO |
| Aruncus aruncus (L.) H. Karst. |
Accepted |
 |
TRO |
| Aruncus asiaticus Pojark. |
Synonym |
 |
TRO |
| Aruncus collina Lej. & Court. |
Unresolved |
 |
TRO |
| Aruncus dioicus (Walter) Fernald |
Synonym |
 |
TRO |
| Aruncus dioicus var. acuminatus (Rydb.) H. Hara |
Synonym |
 |
TRO |
| Aruncus dioicus var. kamtschaticus (Maxim.) H. Hara |
Synonym |
 |
TRO |
| Aruncus dioicus var. pubescens (Rydb.) Fernald |
Unresolved |
 |
TRO |
| Aruncus dioicus var. rotundifoliolatus H. Hara |
Synonym |
 |
TRO |
| Aruncus dioicus var. tenuifolius (Nakai ex H. Hara) H. Hara |
Synonym |
 |
TRO |
| Aruncus dioicus var. triternatus (Wall. ex Maxim.) H. Hara |
Synonym |
 |
TRO |
| Aruncus dioicus var. vulgaris (Maxim.) H. Hara |
Synonym |
 |
TRO |
| Aruncus gombalanus (Hand.-Mazz.) Hand.-Mazz. |
Accepted |
 |
TRO |
| Aruncus kamtschaticus (Maxim.) Rydb. |
Synonym |
 |
TRO |
| Aruncus kamtschaticus var. tomentosus (Koidz.) Miyabe & Tatew. |
Synonym |
 |
TRO |
| Aruncus parvulus Kom. |
Unresolved |
 |
TRO |
| Aruncus pubescens Rydb. |
Synonym |
 |
TRO |
| Aruncus sylvester Kostel. ex Maxim. |
Accepted |
 |
TRO |
| Aruncus sylvester var. acuminatus (Rydb.) Jeps. |
Synonym |
 |
TRO |
| Aruncus sylvester subsp. acuminatus (Rydb.) A.E. Murray |
Accepted |
 |
TRO |
| Aruncus sylvester var. kamtschaticus Maxim. |
Synonym |
 |
TRO |
| Aruncus sylvester var. tenuifolius Nakai ex H. Hara |
Synonym |
 |
TRO |
| Aruncus sylvester var. tomentosus Koidz. |
Synonym |
 |
TRO |
| Aruncus sylvester var. triternatus Wall. ex Maxim. |
Synonym |
 |
TRO |
| Aruncus sylvester var. vulgaris Maxim. |
Synonym |
 |
TRO |
| Aruncus tomentosus (Koidz.) Koidz. |
Synonym |
 |
TRO |
| Aruncus vulgaris Raf. |
Accepted |
 |
TRO |