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notropis 10-21-2012 04:53 PM

Illegal aquatic plants - Oregon? aka noxious weeds, invasive, quarantined, etc
Does anyone have a handy list of aquatic plants that are illegal or otherwise inadvisable to import, transit, etc in Oregon?

I used to have it but I've misplaced it. Thanks,

KrazyFish 10-21-2012 06:27 PM

I would think that if you are responsible with discarding the plant or plant trimmings there are none (outside of the mainstream) which should be illegal to keep. Is there an equivalent aquatic equal to Marijuana?

notropis 10-22-2012 12:46 AM

Oregon is pretty tight/strict on aquatic invasives.

The equivalent would be to drive a trailered boat into the state that had quagga mussels attached to the boat. The other week a petstore told me they couldn't sell me ramshorns they had in a display tank.

Of course I'm responsible for trimmings/clippings but not everybody is, which makes some species a no-no. I just can't remember which ones!

jkan0228 10-22-2012 01:08 AM

I remember that Myriophyllum Brasiliense and Hygrophila Polysperma Sunset are both labeled as invasive plants that are illegal to trade.

notropis 10-24-2012 02:12 AM

Okay, that's a start.

Maybe as folks find out more we can keep a list posted in this thread? :icon_idea

I personally don't want to unknowingly import a noxious or invasive (plant or invert) into the state.:eek:

jarvitron 10-24-2012 06:28 PM

The only resources I've found about this are on the Oregon Fish and Wildlife subsite on This is like the "short list".

Algae, toxic (golden, toxic cyanobacteria)
Prymnesium parvum, Cylindrospermopsis raciborskii

Asian kelp
Undaria pinnatifida

Caulerpa seaweed
Caulerpa taxifolia

Common reed
Phragmites australis

Spartina alterniflora* , S. densiflora , S. anglica, S. patens**

Dead man's fingers
Codium fragile tomentosoides

European water chestnut
Trapa natans

Flowering rush
Butomus umbellatus

Giant salvinia
Salvinia molesta

Hydrilla verticillata

Rock snot
Didymosphenia geminate

Yellow floating heart
Nymphoides peltata**

jmsaltfish797 10-31-2012 12:50 AM

gonna have to disagree with the caulerpa seaweed being illegal. its a fairly common item at just about any saltwater lfs. its sold for use in refugiums and just to decorate your tank. i have a rather substantial amount in my reef tank right now, picked it up locally in salem.

notropis 11-15-2012 03:51 AM

Admittedly, I stole this USDA link from the other forum-wide "illegal" plant link, but I wanted to keep things tidy and here!

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