Integrative taxonomy of the model liverwort Riella helicophylla (Riellaceae, Sphaerocarpales) reveals its extreme rarity and an overlooked widespread new species, R. macrocarpa
Abstract:Riella (Riellaceae) is a genus of rare, ephemeral, aquatic liverworts that includes some taxa specialized in growing submerged in brackish, seasonal water ponds and lagoons. One of these species, Riella helicophylla is the type of the genus. Apart from being of conservation concern, it has been used as a model organism for cytological and physiological processes. The species was described from Algeria in the mid‐nineteenth century and was not found elsewhere for almost a century, when it was discovered in cent… Show more
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