Looking for info on controlling a massive infestation of Corydalis solida. After pages of web scrolling I finaly found some info from U of Maryland ext. They recomend to treat with a 3% glyphosate solution. However the water based herbicide is being repelled by the plant, forms tiny beads.We have added the manufactures recomended non-ionic surfactant at .5%. We are also treating lesser celendine and this treatment is being very effective on it, however it appears that the Corydalis is spreading into the areas where celendine is eliminated, forming massive carpets.. Considering using Triclopyr 4, in an oil. don't really want to use diesel as a carrier, Basal oil is very expensive. we would require about 10 gal to treat area. The internet has plenty on how to care for the plant, and where to purchase!. It def is invasive