Setaria parviflora

knotroot bristle grass, perennial foxtail

Family:Poaceae

Rarity

CNPS-EB: B

8 current natural populations

Observations

CNPS-EB Database ⓘ
Calflora (group) ⓘ
Calflora (public)
iNaturalist
- Genus Setaria
- Setaria parviflora
CCH2

Key

Ecology

Flowers May - September

Habitats:

Chaparral
Grassland (Annual or Perennial)

References

Synonyms

Setaria gracilis

Populations

Key

Location	Pop ID	Last Recorded	Notes
Antioch - other or unknown sites	11	2023-08-21
Antioch Dunes	7	2022-07-14
Clifton Court Forebay - E of Byron	4	2016-07-05
Clifton Court Forebay - E of Byron	14	2025-06-16
Concord - other or unknown sites	13	2019-10-16
El Cerrito - other or unknown sites	8	2020-11-01
Lafayette - other or unknown sites	12	2020-08-31
Richmond - other or unknown sites	9	2020-05-06
Albany Hill	1	1994-06-25	Historic
Berkeley, West	2	1990-10-17	Historic
Byron Hot Springs area	3	1972-12-31	Historic
Hayward - other or unknown sites	5	1961-09-16	Historic
Hayward - other or unknown sites	6	1990-11-22	Historic
Oakland - other or unknown sites	10	1989-07-28	Historic

The list of populations shows the distinct populations identified by the CNPS-EB Rare and Unusual Plants Committee. The locations in this list are very general. More specific location details can be obtained from the links in the Observations section (for some of these links, a login is required).

Font

Populations in bold type have precise coordinates available for field volunteers and researchers.

Populations in normal type are only known from a description of the location; no precise coordinates are available.

Background

Populations with a white background have been observed in the last 25 years.

Populations with a blue background have not been observed for at least 25 years.

Populations with an orange background have an uncertain location or identification, or are planted.

Columns

Pop ID is a label that identifies the population. Many locations have more than one population of a species, and the population ID is used to distinguish them.