Ricciocarpus natans

Riccia duplex Ricciocarpus natans SCAPANIACEAE Cell walls Riccionidin A (522), riccionidin B 81 (1994)... 

Compound 15 was first identified in Osmanthus asiaticus, a plant of Oleaceae family [15]. Compound 16 was isolated in Primus grayana, a plant of rosaceae family [16] and in Ricciocarpus natans, Ricciaceae [17]. Compound 17 was assumed to be present in O. europaea [18,19], on the basis of chromatographic considerations and was identified [14], together with 15 and 16[14], in carolea cultivar. 

Constit. of M. polymorpha, Riccia duplex, Ricciocarpus natans and S. undulata. Struct, not fully known. 

Kunz S, Becker H (1992) Bibenzyl glycosides from the liverwort Ricciocarpus natans. Phytochemistry 31 3981-3983... 

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