Globepodded Hoarycress, Globe-podded Hoarycress, Hairy Whitetop, Whitetop: Lepidium appelianum (Synonyms: Cardaria pubescens, Cardaria pubescens var. elongata, Hymenphysa pubescens) - Silicle globose or obovoid. Leaf margins sharply toothed. Sepals and fruits pubescent.
Asian White-top, Chalapa Hoary Cress, Lens-podded Hoary Cress, Lenspod Whitetop: Lepidium chalepense (Synonyms: Cardaria chalepensis, Cardaria draba ssp. chalepensis, Cardaria draba var. repens)
Heart-podded Hoarycress, Hoary Cress, Hoary Pepperwort, Whitetop, White Top: Lepidium draba (Synonyms: Cardaria draba, Cardaria draba var. draba, Lepidium draba ssp. draba) - Silicle broadly ovate or heart-shaped. Leaf margins entire or lightly toothed. Sepals and fruits glabrous.