Identification notes
This species is strongly calcicolous and most likely to be found on limestone rocks in light shade. Despite being quite a distinctive-looking plant (the shoots resemble catkins), it can be quite small. With its penchant for growing in slightly unappealing places, such as on stones embedded in woodland paths, R. murale can be missed quite easily. Capsules are eye-catching but not always present and in districts with drier climates are quite rare.
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