Seedling of Sahara mustard, Brassica tournefortii, showing cotyledons and first true leaves.

Small plant with heart-shaped, tiny leaves in sandy soil. Palm Springs, CA, Riverside Co. Credit: Christopher McDonald, UCCE Riverside County
Seedling of Sahara mustard, Brassica tournefortii, showing cotyledons and first true leaves. Credit: Christopher McDonald, UCCE Riverside County