Lyall's Rockcress

Arabis lyallii S. Watson - Mustard family

Size

Mature Height: Up to around 8 inches

Plant Type: Forb/herb

Features

Flower Color: Purple

Bloom Time: Late Spring, Early Summer, Mid Summer

Ecosystem Interactions

Pollinators: Larval Host (Butterfly)

Larval Species depending on Lyall's Rockcress: Anthocharis sara, Anthocharis sara stella, Euchloe ausonides

Native Range

  • CAN:  British Columbia, Yukon
  • USA:  California, Idaho, Montana, Nevada, Oregon, Utah, Washington
Regional Native Status: L48 (N), AK (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.