How to Tell Apart Mini-guide << view all mini guides P L A N T S Sweet White Violet Viola blanda Smooth White Violet Viola pallens Download PDF Text by Glen Mittelhauser & Jill Weber Photos by Glen Mittelhauser Design by Celeste Mittelhauser Share Related Mini Guides Mini Guide Sheep Laurel vs. Bog Laurel by Glen Mittelhauser Mini Guide Goldenrod vs. Ragweed by Glen Mittelhauser Mini Guide Quaking Poplar, Big-toothed Poplar, & Balsam Poplar by Glen Mittelhauser