Galium hypocarpium subsp. buxifolium Galium hypocarpium subsp. alluviale Galium hypocarpium subsp. hypocarpium Galium hypocarpium subsp. titicacum
Relbunium hypocarpium Rubia hypocarpia Valantia hypocarpia Relbunium orinocensis Galium chloranthum
World Flora Online, accessed June 20, 2024