Many of the species recorded in the easternmost squares will also be in other ones, but not always. Peniophora lycii (a corticioid fungus) is one example of a species I have only (so far) found in the eastern leg. Additionally that's where the Phragmites is and some other fungi are only recorded from one large dead tree. The wall that runs along the northern edge is covered with mosses, and maybe from the spring there will be some invertebrate action - certainly there are hoverflies.
It's a shame that once the Canary Reed-grass gets going it effectively cuts off the path, which is itself a bit dodgy. Mind you I expect not many visitors get that far anyway.
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