A woodland plant of the family Rosaceae, Aruncus dioicus.
A yellow-flowered Eurasian plant, of the genus Tragopogon.
Vachellia constricta, formerly Acacia constricta, whitethorn acacia, a shrub in the family Fabaceae.
Ceanothus leucodermis, chaparral whitethorn, a shrub in the family Rhamnaceae.
Bursaria spinosa, a small Australian shrub.
Crataegus monogyna, a hawthorn species native to Europe, northwest Africa and western Asia.