Asperula rigida Sm. belongs to the Rubiaceae family. Flora of the World contains 1 recorded occurrence of this taxon, distributed across 1 country.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Gentianales
Family
Rubiaceae
Genus
Asperula
Specific Epithet
rigida
Authorship
Sm.
Source
GBIF Backbone Taxonomy