| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|
| Boraginaceae | Cynoglossum amabile | Chinese Hound's-tongue, Blue Showers | Disturbed areas, escaped or persistent from horticultural use. | Native of e. Asia. | 
|
| Boraginaceae | Cynoglossum creticum | Blue Hound's-tongue | Pastures, disturbed areas. | Native of Mediterranean Europe. | 
|
| Boraginaceae | Cynoglossum officinale | Hound's-tongue | Disturbed areas, roadsides, pastures, calcareous shale barrens. | Native of Eurasia. | 
|
| Boraginaceae | Cynoglossum zeylanicum | Ceylon Hound's-tongue | Disturbed areas. | Native of s. Asia. | 
|