U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
|Surprise Field Office|
Hoary Cress (Cardaria draba)
Description: Deep rooted perennial to 3 feet. Leaves blue-green, lance-shaped. Lower leaves stalked, while upper leaves with two lobes clasping the stem. Many clusters of white flowers give a white, flat-topped appearance. Flower with 4 petals. Seed capsules heart-shaped, containing 2 reddish-brown seeds separated by a narrow, papery partition. Reproduces from both root segments and seed.
Distribution: Hoary cress, sometimes called Whitetop (Cardaria pubescens), is generally found throughout northeastern California, especially in Big Valley (Lassen County and Modoc County), Madelaine Plains (Lassen County), Tulelake (Modoc County and Siskiyou County), and in the Montague area (Siskiyou County).