CPC Plant Profile: Ash Meadows Gumweed
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Plant Profile

Ash Meadows Gumweed (Grindelia fraxinipratensis)

Grindelia fraxinopratensis in flower Photo Credit: Susan Cochrane Levitsky, CDFG
Description
  • Global Rank: G2 - Imperiled
  • Legal Status: Federally Threatened
  • Family: Asteraceae
  • State: CA, NV
  • Nature Serve ID: 144681
  • Date Inducted in National Collection: 09/22/2021

G. fraxinopratensis is an erect biennial - perennial forb, reaching 25 to 40 inches in height and has yellow flowers. This xeric adapted species flower during summer and fall. It can be found primarily in saltgrass meadows along streams and surrounding pools and occasionally on open alkali clays at Ash Meadows National Wildlife Refuge. This species once blanketed Ash Meadows with a continuous didtribution along the alkali salt flats. Now is found only on those sites undisturbed by agricultural activities or on recovered disturbed sites.

Participating Institutions
Updates
  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 2 accessions of Grindelia fraxinipratensis in orthodox seed collection. There are as many as 25552 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

  • 08/05/2020
  • Seed Collection

Based on an August 2020 extract of the California Plant Rescue Database, California Botanic Garden has collected 2 seed accessions of Grindelia fraxinipratensis from 2 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 81 maternal plants

Nature Serve Biotics
  • 05/02/2017

9-12 EOs in Ash Meadows Preserve, dependent on constant water supply.

Rita Dodge and Sarah Kulpa
  • 01/01/2010

Ground Water withdrawal, Invasive species Trampling by wild horses

Rita Dodge and Sarah Kulpa
  • 01/01/2010

Extant populations are scattered throughout the areas at sites that have not been disturbed within Ash Meadows, NV and adjacent area in California. 656,890 are estimated within Nevada. Nmbers within California are unknown.

Rita Dodge and Sarah Kulpa
  • 01/01/2010

Surveys done within NV in 2009.

Rita Dodge and Sarah Kulpa
  • 01/01/2010

Not Available

Rita Dodge and Sarah Kulpa
  • 01/01/2010

Ex-situ seed conservation and Propagation research

Rita Dodge and Sarah Kulpa
  • 01/01/2010

Seeds of this species are not represented in an ex-situ collection. This is a high priority for the US Fish and Wildlife Service.

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Photos
Nomenclature
Taxon Grindelia fraxinipratensis
Authority Reveal & Beatley
Family Asteraceae
CPC Number 2079
ITIS 780680
USDA GRFR
Common Names Ash Meadows Gum-plant | Ash Meadows gumplant | Ash Meadows gumweed
Associated Scientific Names Grindelia fraxinopratensis | Grindelia fraxinipratensis | Grindelia fraxino-pratensis
Distribution Ash Meadows National Wildlife Refuge in Nye County, Nevada and Inyo County, California. 23 element occurances within 136 acres in Nevada.
State Rank
State State Rank
California S1
Nevada S2
Habitat

Found primarily in saltgrass meadows along streams and surrounding pools and occasionally on open alkali clays at Ash Meadows National Wildlife Refuge. Found within desert wetland moist soils strongly influenced by seeps and springs.

Ecological Relationships

Five different insect pollinators have been observed visiting this plant.

Pollinators
Common Name Name in Text Association Type Source InteractionID

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