Riella americana

American riella

Family: Riellaceae

Conservation status: CNPS 2B.2

Riella americana (American riella) is a California plant in the Riellaceae family.

I apologize, but I cannot generate a description for this plant because the provided data is incomplete. There are no details filled in for several crucial fields like: - Plant Type - Native Status - Bioregional Distributions - Elevation Range - Habitat - Flowering Time - Jepson Description Without source data to extract details from, I cannot construct a description following the specified rules. To create an accurate plant description, I would need the missing information populated in the data fields.

Identification and appearance

Key characters: Differentiators are not available at this time.

Conservation status

CNPS 2B.2

How to tell it apart

Differentiators are not available at this time.

Frequently asked questions

What plant family does Riella americana belong to?

Riella americana is in the Riellaceae family, genus Riella.

Is Riella americana rare or endangered?

Riella americana carries California Rare Plant Rank 2B.2, state rank S1.

More California species

This species has no close relatives in our California data — here are other species to explore.

All Riella species · All Riellaceae

Sources: CDFW CNDDB

Last updated 2026-10-07

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.