CPC Plant Profile: Mt. Tamalpais Lessingia
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Plant Profile

Mt. Tamalpais Lessingia (Lessingia micradenia var. micradenia)

Description
  • Global Rank: T2 - Imperiled
  • Legal Status: N/A
  • Family: Asteraceae
  • State: CA
  • Nature Serve ID: 137129
  • Date Inducted in National Collection: 09/23/2021

annual herb

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 3 accessions of Lessingia micradenia var. micradenia in orthodox seed collection. There are as many as 2567 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 1 seed accessions of Lessingia micradenia var. micradenia from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 14 maternal plants

  • 08/05/2020
  • Seed Collection

Based on an August 2020 extract of the California Plant Rescue Database, California Native Plant Society has collected 2 seed accessions of Lessingia micradenia var. micradenia from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 118 maternal plants

  • 01/01/2010

roadside clearing, spraying and watershed use for hiking (trampling) and biking, cutting, thinning, prescribed burning activities, invasion of non-native barbed goatgrass

  • 01/01/2010

found only on Mt. Tamalpais and elsewhere among the hells of Marin Co.

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Photos
Nomenclature
Taxon Lessingia micradenia var. micradenia
Authority Greene
Family Asteraceae
CPC Number 15974
ITIS 528758
USDA LEMIM
Common Names Tamalpais lessingia | Mt. Tamalpais lessingia
Associated Scientific Names Lessingia micradenia var. micradenia | Lessingia ramulosa var. micradenia
Distribution NA
State Rank
State State Rank
California S1S2
Habitat

grows at elevations of 100 to 500 meters on thin, gravelly soils of serpentine outcrops and roadcuts in chapparal and valley foothill grassland

Ecological Relationships

Pollinators
Common Name Name in Text Association Type Source InteractionID

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