| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Central Rocky Mountain Wildflowers: Including Yellowstone And Grand Teton National Parks | 978-0-7627-7792-1 (0-7627-7792-3) | 2012 |
| Central Rocky Mountain Wildflowers: Including Yellowstone and Grand Teton National Parks | 978-1-56044-729-0 (1-56044-729-X) | 1999 |
| Northern Rocky Mountain Wildflowers: Including Glacier, Waterton Lakes, Banff, Jasper, Kootenay, Mount Revelstoke, And Yoho National Parks | 978-0-7627-7766-2 (0-7627-7766-4) | 2012 |
H. P. · H. Phillips · H.W. · W.P. · W. Phillips · Wayne Phillips