| Asperula | |
|---|---|
|   | |
| Asperula arvensis - Blue woodruff | |
|  Scientific classification   | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Gentianales | 
| Family: | Rubiaceae | 
| Subfamily: | Rubioideae | 
| Tribe: | Rubieae | 
| Genus: |  Asperula  L.  | 
| Synonyms | |
List 
  | |
Asperula, commonly known as woodruff, [1] is a genus of flowering plants in the family Rubiaceae. It contains 91 species and has a wide distribution area from Europe, northern Africa, temperate and subtropical Asia to Australasia. [2]
These species are recognised in the genus Asperula: [3]