Plant ID forum: Unknown weed taking over garden

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Western Washington, Bonney Lak
FunYardsUSA
Jul 27, 2017 6:56 PM CST
Hello, I'm hoping to get help identifying this weed taking over a clients garden. It showed up this spring after we had one of the wettest winters on record for the Seattle area and has continued to spread. I am trying to figure out what it is in hopes of getting rid of it.
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Name: Sandy B.
Ford River, Michigan UP (Zone 4b)
(Zone 4b-maybe 5a)
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Weedwhacker
Jul 27, 2017 7:17 PM CST
Welcome to NGA, @FunYardsUSA .

I don't know what your weed is but I have something here that looks quite similar, mainly growing in damp, shady areas; I've been assuming it's some type of algae. I hope someone will have a more definitive answer!
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Name: Carol
Santa Ana, ca
Sunset zone 22, USDA zone 10 A.
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ctcarol
Jul 27, 2017 7:23 PM CST
Either an algae or some type of moss, I think.
Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Jul 27, 2017 7:28 PM CST
Welcome!

I don't know if I would call it a weed. Its a Liverwort and is native to the west coast. If your client doesn't like it, you can peel it up. If the area is too large, Roundup will do it in.

Personally, I've always really liked this stuff. I even tried to get it to grow in Bonsai pots (it didn't grow - back to Baby Tears). I did succeed in transplanting to other areas of the yard.
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Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jul 27, 2017 7:29 PM CST
I would have said it was lichen but I'm no expert. Cross-posted with Daisy and now that you mention it liverwort does sound right.
[Last edited by sooby - Jul 27, 2017 7:31 PM (+)]
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Name: Jude
Pittsburgh, Pennsylvania (Zone 6a)
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obliqua
Jul 27, 2017 7:55 PM CST
To deter liverwort in a garden, cut back any plants shading the affected area. Improve drainage in the area, by aerating soil with a spike or fork. Liverwort growth can be a sign of poor nutrient levels in the soil and high acidity.

Moss Out is a product that relies on soapy fatty acids as the active ingredient. Control of Liverwort is listed on the label.

I do not think you would need a lethal poison like "Round-up" to kill liverwort. It has been declared a carcinogen in California, a cancer causer... Dangerous pesticide residues from glyphosate linger in our food, our water, our air and our bodies. No true gardener should use it.
Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Jul 27, 2017 7:58 PM CST
Yes, the Liverwort peels up quite easily. Smiling
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

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