Here is a specimen I picked up at the Oxley Nature Center next to the parking lot.  I believe it is the same species as the one that fell out of my 110 year old botany book.  There are some differences that I noticed.  The first is that the seed pods are larger on the older one.  Second is the position of the pods on the plant.  In the older one there are quite a few pods near the base of the plant.  Yet there is also one near the base of the new one.  I'm pretty sure that the older specimen is a more mature plant.  I would love to look at the tissues under a microscope to see if they match but I don't know how to do that yet.
The older specimen on the left may be C. oligosperma because of the difference in seed and pod size.
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| Old vs New Specimens | 
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| Cardamine Hirsuta from notebook | 
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