| Entry | Volume | Pages |
|---|---|---|
| Achillea abrotanoides | 23 | 330 |
| Achillea ageratifolia | 16 | 179 |
| Achillea ageratifolia | 36 | 159P |
| Achillea ageratifolia | 37 | 272 |
| Achillea ageratifolia | 46 | 307P.C. |
| Achillea ageratifolia | 53 | 199 |
| Achillea ageratifolia | 54 | 157, 276 |
| Achillea ageratifolia | 57 | 35, 36 |
| Achillea aizoon | 8 | 68 |
| Achillea x argentea | 25 | 259 |
| Achillea x argentea | 37 | 81 |
| Achillea atrata | 2 | 72 |
| Achillea atrata | 25 | 318 |
| Achillea chrysocoma | 68 | 319, 375 |
| Achillea clavennae | 25 | 259 |
| Achillea clavennae | 31 | 126 |
| Achillea clavennae | 32 | 266 |
| Achillea clavennae | 47 | 117 |
| Achillea clavennae | 51 | 270 |
| Achillea clavennae | 63 | 171 |
| Achillea clavennae | 77 | 407 |
| Achillea clavennae | 82 | 351, 353 |
| Achillea clusiana | 44 | 333 |
| Achillea clypeolata | 16 | 182 |
| Achillea cretica | 56 | 52 |
| Achillea crithmifolia | 57 | 32 |
| Achillea crithmifolia | 68 | 375 |
| Achillea fraasii | 68 | 395 |
| Achillea x grisebachii | 25 | 259 |
| Achillea holosericea | 23 | 330 |
| Achillea holosericea | 37 | 268 |
| Achillea integrifolia | 36 | 159P |
| Achillea x kellereri | 47 | 159 |
| Achillea x lewisii | 4 | 380 |
| Achillea x lewisii 'King Edward' | 16 | 55 |
| Achillea x lewisii 'King Edward' | 17 | 31 |
| Achillea x lewisii 'King Edward' | 25 | 259 |
| Achillea x lewisii 'King Edward' | 64 | 382 |
| Achillea micrantha | 48 | 219 |
| Achillea millefolium | 31 | 239 |
| Achillea millefolium | 37 | 195 |
| Achillea millefolium | 42 | 111 |
| Achillea millefolium | 70 | 229 |
| Achillea moschata | 17 | 22, 23, 43P |
| Achillea moschata | 18 | 317 |
| Achillea moschata | 69 | 52 |
| Achillea multifida | 54 | 150 |
| Achillea nana | 2 | 72 |
| Achillea x obristii | 22 | 323 |
| Achillea 'Pritchardii' | 25 | 259 |
| Achillea ptarmica | 65 | 468 |
| Achillea setacea | 37 | 268 |
| Achillea sp. (PD 16366) | 62 | 128 |
| Achillea species in general cultivation | 36 | 154 |
| Achillea tomentosa | 4 | 380 |
| Achillea tomentosa | 29 | 211 |
| Achillea tomentosa | 36 | 144P |
| Achillea umbellata | 80 | 255 |
| Achillea x wilczekii | 25 | 259 |
| Achillea x wilczekii | 36 | 160P |