Genus
Echinodorus
2 US plant patents have been granted in this genus. 2 are already in the public domain — anyone may propagate and sell them.
On the name: Filed as Echinodorus. GBIF marks this name's backbone entry as unresolved; the genus itself is not in dispute.
Already in the public domain — 2 cultivars
Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.
- Red FlamePP10725Echinodorus plant named `Red Flame`PUBLIC DOMAINMay 9, 2017
- Indian RedPP10726Echinodorus plant named `Indian Red`PUBLIC DOMAINMay 9, 2017
A patent expiring frees the plant, and its cultivar name comes with it — cultivar names cannot be trademarked, so they are always free to use. What it does not free is any brand name the plant is marketed under. Those are trademarks and renew indefinitely.