ular ▁to ▁pseudo - 3 - loc ular , ▁elli ps oid ▁to ▁widely . ▁Se eds ▁brown ish ▁to ▁am ber , ▁elli ps oid ▁to ▁lun ate , ▁ 0 . 3 -- 0 . 4   mm , ▁not ▁ta iled . ▁ 2 n ▁= ▁ca . ▁ 8 0 . ▁ ▁Us es ▁ ▁The ▁uses ▁for ▁J unc us ▁dich ot om us ▁are ▁limited . ▁Since ▁the ▁plant ▁is ▁often ▁found ▁next ▁to ▁or ▁near ▁water ▁sources ▁which ▁may ▁play ▁a ▁role ▁in ▁prevent ing ▁er os ion . ▁ ▁Management ▁ ▁J unc us ▁dich ot om us , ▁a ▁native ▁of ▁the ▁Amer icas , ▁is ▁also ▁now ▁being ▁reported ▁as ▁invas ive ▁in ▁Europe . ▁J unc us ▁dich ot om ous ▁has ▁been ▁confused ▁with ▁J unc us ▁ten uis , ▁a ▁very ▁w ides p read ▁plant , ▁in ▁Europe ▁which ▁may ▁have ▁contributed ▁to ▁its ▁spread ▁there . ▁Through out ▁the ▁sout he astern ▁United ▁States ▁and ▁some ▁N ort he astern ▁parts ▁on ▁the ▁US ▁found ▁there ▁dich ot om us ▁is ▁common . ▁System ic ▁rust s ▁and ▁sm uts ▁have ▁a ▁major ▁effect ▁on ▁individual ▁plants ▁and ▁populations ▁as ▁they ▁affect ▁growth ▁and ▁surv ival ▁and ▁dise ased ▁plants ▁may ▁become ▁dist orted , ▁st unted ▁and / or ▁el ong ated ▁although ▁the ▁results ▁are ▁variable . ▁More ▁work ▁on ▁the ▁life ▁history ▁of ▁J . ▁dich ot om us ▁is ▁required ▁to ▁better ▁understand ▁how