| Acer acuminatum Wall. ex D. Don | | a | | Acer acuminatum Wall. ex D. Don | | 1081 | |
| Acer argutum Maxim. | | a | | Acer argutum Maxim. | | 1084 | |
| Acer barbinerve Maxim. | | a | | Acer barbinerve Maxim. | | 1085 | |
| Acer betulifolium Maxim. | Acer stachyophyllum Hiern subsp. betulifolium (Maxim.) P. C. DeJong | | | Acer betulifolium Maxim. | Acer stachyophyllum Hiern subsp. betulifolium (Maxim.) P. C. DeJong | 1086 | 412998 |
| Acer douglasii Hook. | Acer glabrum Torr. var. douglasii (Hook.) Dippel | | | Acer douglasii Hook. | Acer glabrum Torr. var.douglasii (Hook.) Dippel | 1124 | 456323 |
| Acer glabrum Torr. | | a | | Acer glabrum Torr. | | 1135 | |
| Acer glabrum Torr. subsp. douglasii (Hook.) Wesm. | Acer glabrum Torr. var. douglasii (Hook.) Dippel | | i | Acer glabrum Torr. subsp. douglasii (Hook.) Wesm. | Acer glabrum Torr. var.douglasii (Hook.) Dippel | 1136 | 456323 |
| Acer tetramerum Pax | Acer stachyophyllum Hiern subsp. stachyophyllum | | | Acer tetramerum Pax | Acer stachyophyllum Hiern subsp. stachyophyllum | 1236 | 412996 |
| Acer tetramerum Pax var. tiliifolium Rehder | Acer stachyophyllum Hiern subsp. stachyophyllum | | i | Acer tetramerum Pax var.tiliifolium Rehder | Acer stachyophyllum Hiern subsp. stachyophyllum | 1238 | 412996 |
| Acer stachyophyllum Hiern | | a | | Acer stachyophyllum Hiern | | 1290 | |
| Acer tetramerum Pax var. betulifolium (Maxim.) Rehder | Acer stachyophyllum Hiern subsp. betulifolium (Maxim.) P. C. DeJong | | i | Acer tetramerum Pax var.betulifolium (Maxim.) Rehder | Acer stachyophyllum Hiern subsp. betulifolium (Maxim.) P. C. DeJong | 90002 | 412998 |
| Acer stachyophyllum Hiern subsp. stachyophyllum | | a | i | Acer stachyophyllum Hiern subsp. stachyophyllum | | 412996 | |
| Acer stachyophyllum Hiern subsp. betulifolium (Maxim.) P. C. DeJong | | a | i | Acer stachyophyllum Hiern subsp. betulifolium (Maxim.) P. C. DeJong | | 412998 | |
| Acer glabrum Torr. subsp. diffusum (Greene) A. E. Murray | Acer glabrum Torr. var. diffusum (Greene) Smiley | | i | Acer glabrum Torr. subsp. diffusum (Greene) A. E. Murray | Acer glabrum Torr. var.diffusum (Greene) Smiley | 413018 | 413019 |
| Acer glabrum Torr. var. diffusum (Greene) Smiley | | a | i | Acer glabrum Torr. var.diffusum (Greene) Smiley | | 413019 | |
| Acer diffusum Greene | Acer glabrum Torr. var. diffusum (Greene) Smiley | | | Acer diffusum Greene | Acer glabrum Torr. var.diffusum (Greene) Smiley | 413020 | 413019 |
| Acer glabrum Torr. var. glabrum | | a | i | Acer glabrum Torr. var.glabrum | | 413021 | |
| Acer glabrum Torr. subsp. neomexicanum (Greene) A. E. Murray | Acer glabrum Torr. var. glabrum | | i | Acer glabrum Torr. subsp. neomexicanum (Greene) A. E. Murray | Acer glabrum Torr. var.glabrum | 414259 | 413021 |
| Acer neomexicanum Greene | Acer glabrum Torr. var. glabrum | | | Acer neomexicanum Greene | Acer glabrum Torr. var.glabrum | 414260 | 413021 |
| Acer glabrum Torr. var. neomexicanum (Greene) Kearney & Peebles | Acer glabrum Torr. var. glabrum | | i | Acer glabrum Torr. var.neomexicanum (Greene) Kearney & Peebles | Acer glabrum Torr. var.glabrum | 414262 | 413021 |
| Acer megalodum W. P. Fang & H. Y. Su | Acer barbinerve Maxim. | | | Acer megalodum W. P. Fang & H. Y. Su | Acer barbinerve Maxim. | 425064 | 1085 |
| Acer glabrum Torr. subsp. torreyi (Greene) A. E. Murray | Acer glabrum Torr. var. torreyi (Greene) Smiley | | i | Acer glabrum Torr. subsp. torreyi (Greene) A. E. Murray | Acer glabrum Torr. var.torreyi (Greene) Smiley | 456319 | 456320 |
| Acer glabrum Torr. var. torreyi (Greene) Smiley | | a | i | Acer glabrum Torr. var.torreyi (Greene) Smiley | | 456320 | |
| Acer torreyi Greene | Acer glabrum Torr. var. torreyi (Greene) Smiley | | | Acer torreyi Greene | Acer glabrum Torr. var.torreyi (Greene) Smiley | 456321 | 456320 |
| Acer glabrum Torr. var. douglasii (Hook.) Dippel | | a | i | Acer glabrum Torr. var.douglasii (Hook.) Dippel | | 456323 | |
| Acer glabrum Torr. subsp. glabrum | Acer glabrum Torr. var. glabrum | | i | Acer glabrum Torr. subsp. glabrum | Acer glabrum Torr. var.glabrum | 483738 | 413021 |
| Acer tetramerum Pax var. tetramerum | Acer stachyophyllum Hiern subsp. stachyophyllum | | i | Acer tetramerum Pax var.tetramerum | Acer stachyophyllum Hiern subsp. stachyophyllum | 483770 | 412996 |