Difference between Sweet Woodruff and Asperula Odorata

SWEET WOODRUFF vs ASPERULA ODORATA: NOUN

An aromatic perennial plant, used as a strewing herb, Galium odoratum or Asperula odorata, with small white flowers.
A fragrant perennial herb (Galium odoratum) native to Eurasia and widely cultivated as a ground cover, having small white flowers and narrow leaves used for flavoring wine and in sachets.
Old World fragrant stoloniferous perennial having small white flowers and narrow leaves used as flavoring and in sachets; widely cultivated as a ground cover; in some classifications placed in genus Asperula
Fragrant dark green leaves used to flavor May wine

Old World fragrant stoloniferous perennial having small white flowers and narrow leaves used as flavoring and in sachets; widely cultivated as a ground cover; in some classifications placed in genus Asperula

Asparagus fern, Aucuba, Cotoneaster, Swamp milkweed, Bridal wreath, Holly fern, Pussy willow, Dusty miller, Grape hyacinth, Marsh marigold, Waldmeister, Galium odoratum, Fragrant bedstraw, Asperula odorata, Woodruff

Sweet cicely, Mignonette, Ilang ilang, Ylang ylang, Coumarou, Coumarin, Coumaric, Bitterweed, Squinancy, Woodroof, Waldmeister, Galium odoratum, Fragrant bedstraw, Woodruff, Sweet woodruff

Pulmonaria, Scabiosa, Fritillaria, Dracaena, Muscari, Asparagus fern, Aucuba, Cotoneaster, Swamp milkweed, Bridal wreath, Holly fern, Pussy willow, Dusty miller, Grape hyacinth, Marsh marigold

Coumaric, Mignonette, Sweet cicely, Tonka bean, Violet, Violin, Bitterweed, Squinancy, Sweet woodruff

This is a favorite in combination with ferns, Wild Ginger, Twinflower, and Vancouveria or Sweet Woodruff.