Leaves opposite Leaves opposite
 Pycnanthemum flexuosum |
 Richardia scabra |
 Spergula arvensis |
 Staphylea trifolia |
 Stipulicida setacea |
 Stylodon carneum |
 Trillium cernuum |
 Trillium flexipes |
 Trillium grandiflorum |
 Trillium pusillum |
 Valerianella umbilicata |
 Viburnum acerifolium |
