Fallopia japonica was NOT FOUND
It was 4:30 in the afternoon two days before school started. The athletic fields had recently been painted with lines for sports teams. It was very sunny out with few clouds. The fields were incredibly dry and the dirt was powdery. There were no bugs, but we did hear crickets. Rain was forecast for the next day.
The leaves on the plant that was most similar to Japenese Knotwood in our quadrat were smooth not toothed.
The leaves of Japanese Knotweed are about 12 cm wide, the leaves of this plant were not.
The stems of our plant were not bamboo like they were brown and did not have swollen joints.
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Not knotweed
Hello LBolduc,
Well done - the plant(s) you observed are certainly not Fallopia japonica.
I was a little confused by your first written evidence. F. japonica does not have toothed edges on its leaves, and neither did the leaf in your picture - at least not the first one (the leaf in your second image does appear to have leaves with a toothed edge).
The use of the ruler in your second image is fabulous - great picture, and really appropriate given your written evidence. Super job.
it's a bit hard to see the stem in your last image. Don't forget to use the Macro function, and be patient with the camera and yourself. It takes some practice to learn just how far the camera needs to be from the thing you want to photograph so that it can be in focus.
All in all, great effort for your first time out. Good luck with the start of school in two days!