Of the Gentian family (Gentianaceae), the ague-weed (Gentiana quinquefolia).
Of the Gentian family (Gentianaceae), yellow bartonia (Bartonia virginiana).
Of the Gentian family (Gentianaceae), the Centaurium pulchellum.
Of the Gentian family (Gentianaceae), the Centaurium umbellatum.
Of the Gentian family (Gentianaceae), the spiked centaury (Centaurium spicatum).
Of the Gentian family (Gentianaceae), the Gentiana Porphyrio.
Of the Gentian family (Gentianaceae), the bottle gentian (Gentiana Andrewsii).
Of the Gentian family (Gentianaceae), the smaller fringed gentian (Gentiana procera).
Of the Gentian family (Gentianaceae), the soapwort gentian (Gentiana Saponaria).
Of the Gentian family (Gentianaceae), the striped gentian (Gentiana villosa).
Of the Gentian family (Gentianaceae), the rose pink (Sabbatia angularis).
Of the Gentian family (Gentianaceae), the sea pink (Sabbatia stellaris).
