It readily hybridizes with other species in the genus Aquilegia.

This species readily hybridizes with many other species of Potamogeton.

The species hybridizes readily with other species of willow and many hybrids have been identified.

Classification within the family is difficult because many of the species hybridize readily, both in the wild and in cultivation.

The Sisyrinchium hybridize readily, often making species identification quite difficult.

Different species readily hybridize with each other and are very difficult to distinguish.

This species readily hybridizes with several other species of willow.

Some cichlids readily hybridize with related species, both in the wild and under artificial conditions.

The plant also readily hybridizes with other Lilium species growing close by.

When grown outside of their native range, all four of those plants will readily hybridize, producing sterile offspring.