Notes For Reference:-　

Species, Varieties, or Forms in the Genus Galium:

Galium_gracilens_/_Himeyotsubamugura
Galium_japonicum_/_Kurumamugura
Galium_kamtschaticum var. acutifolium_/_Oobanoyotsubamugura
Galium_kikumugura_/_Kikumugura
Galium_kinuta_/_Kinutasou
Galium_odorata_/_Kurumabasou
Galium_spurium_var. echinospermon /_Yaemugura
Galium_trachyspermum_/_Yotsubamugura
Galium_trifloriforme_/_Okukurumamugura
Galium_trifidum ssp. colombianum_/_Hosobanoyotsubamugura
Galium_verum ssp. asiaticum_/_Kibanakawaramatsuba
Galium_verum ssp. asiaticum f. lacteum_/_Kawaramatsuba
　

Galium verum ssp. asiaticum f. lacteum / Kawaramatsuba カワラマツバ