Tonestus lyallii Calflora

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Taxon Report

Tonestus lyallii (A. Gray) A. Nelson

Lyall's goldenweed, Lyall's tonestus

2022 Dana York

Tonestus lyallii is a perennial herb (rhizomatous) that is native to California, and also found elsewhere in North America and beyond.

also called Haplopappus lyallii

California Rare Plant Rank: 2B.3 (rare, threatened, or endangered in CA; common elsewhere).


	Plant Range Observation Search ~8 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Tonestus
Family:	Asteraceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Communities: Alpine Fell-fields

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO

Alternate Names:


JEF + CNPS + PLANTS	Haplopappus lyallii

Information about Tonestus lyallii from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (TOLY) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 2B.3 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
[Wikipedia] Range: It is native to western North America, particularly in the Rocky Mountains and the mountain ranges of the Pacific Northwest with scattered occurrences between. (link added by Mary Ann Machi) photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 05/18/2025).