Texas bluebell (Eustoma russellianum)
Spanish bluebell (Hyacinthoides hispanica)
desert bluebell or California bluebell (Phacelia campanularia)
Scottish bluebell (harebell) (Campanula rotundifolia)
common bluebell (Hyacinthoides non-scripta)
genus Muscari, the grape hyacinth)
Australian royal bluebell (Wahlenbergia gloriosa)
Italian bluebell (Hyacinthoides italica)
Virginia bluebell (Mertensia virginica)
The foxglove.