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Pennsylvania > Pittsburgh Metro > Frick Park
Mile-a-minute weed (Persicaria perfoliata) is a vigorous, barbed vine that smothers other herbaceous plants, shrubs and even trees by growing over them.
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Hercules Club aka Devil's Walking Stick. Don't try to lean on one of these. This one is about 2" in diameter, and also has spikes sticking up between its opposite leaves. This plant is kind of a jerk.
Looking towards the tree tunnel a bit further into the meadow. The trail zig zags along a contour line flanked with established trees mostly 10-12 inches in diameter.
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Eryn Hughes
Aug 6, 2019 near Edgewood, PA
“Mile-a-minute weed (Persicaria perfoliata) is a vigorous, barbed vine that smothers other herbaceous plants, shrubs and even trees by growing over them.”  

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Nearby Photos

Mile-a-minute weed (Persicaria perfoliata) is a vigorous, barbed vine that smothers other herbaceous plants, shrubs and even trees by growing over them.
Looking towards the tree tunnel a bit further into the meadow. The trail zig zags along a contour line flanked with established trees mostly 10-12 inches in diameter.
Black raspberry (Rubus Occidentalis) bushes have thorns and bluish-white stems which are red if scratched. Not Poison Ivy, although leaf shapes are somewhat similar. It should be noted that City of Pgh uses TorDon for seasonal herbicide = not food-safe.
Thorny rose and berry bushes dominate the uphill side of the "meadow".
Looking back into the tree tunnel, standing in the meadow on a small jump.
Last bit of shade before the meadow.
Virginia Stickseed (Hackelia virginiana), has minute spikes on its seed coat that adhere like velcro to most any fabric (or fur) at the slightest touch. Can cause itching.
Hercules Club aka Devil's Walking Stick. Don't try to lean on one of these. This one is about 2" in diameter, and also has spikes sticking up between its opposite leaves. This plant is kind of a jerk.
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Nearby

Trough Trail

0.8 mi 1.4 km
 7
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Lower Riverview Trail

0.7 mi 1.1 km
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Riverview Trail

1.2 mi 2.0 km
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Frick Park Singletrack

10.7 mi 17.2 km
 32 ROUTE
Wilkinsburg, PA
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