Once expanded, poke a little hole about half an inch 1. Identification is based on a close analysis of their seed pods some species are considered weeds. Please help me.  Source: <a href=https://newsavia.com/7-cfr-В§-201-sixteen-noxious-weed-seeds-digital-code-of-federal-rules-e-cfr-lii-legal-information-institute/>https://newsavia.com/7-cfr-В§-201-sixteen-noxious-weed-seeds-digital-code-of-federal-rules-e-cfr-lii-legal-information-institute/</a>