Life … Plants Vascular Plants Dicots Nances, Willows, and Allies Willows and Poplars Willows Myrtosalix Arctic Willow species 557 observations Arctic Willow Salix arctophila Supports All 3 native animalssupported in the US Caterpillars Moths and butterflies raised on it Arctic Fritillary, Ross' Tussock Moth 2 Plant eaters Animals that feed on it Singing Vole 1 Key traits Layer Shrubs Plant type Perennial Shrub From USDA PLANTS. Close