Riccia trichocarpa makes my head hurt

I’ve been having some… problems with the scientific literature on R. trichocarpa.

Does anyone know:

  • which of the two taxonomic claims are correct: “easily separated from all Californian lookalikes by its long whitish/yellowish hairs” or “can only be IDed from spores; the hairs are non-diagnostic”?

  • Whether the purplish dots that form around sporophytes turn green in deep shade?

  • How to recognize unfertilized females without resorting to a microscope?

  • Whether fertilized females remain fertilized after entering drought dormancy (and then rehydrating)?


1 Like

Please email me and I will send you a pdf of the genus Riccia extracted from the Guide to Oregon Liverworts which I offer on my website:

1 Like

This topic was automatically closed 60 days after the last reply. New replies are no longer allowed.