CPC Plant Profile: Morro Manzanita
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Plant Profile

Morro Manzanita (Arctostaphylos morroensis)

  • Global Rank: G1 - Critically Imperiled
  • Legal Status: Federally Threatened
  • Family: Ericaceae
  • State: CA
  • Nature Serve ID: 139178
  • Date Inducted in National Collection: 01/17/2019

perennial shrub

Participating Institutions
  • 01/01/2010

development utility construction tar sand mining diversion of water from seeps cattle grazing competition with alien plants recreational activities possibly dredging of Morro Bay

  • 01/01/2010

total number of individuals was recently estimated to be 2,000; occurs around Morro Bay. Depending on methods used, population estimates from 1992 range from 86,000 to 153,000 individuals

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Taxon Arctostaphylos morroensis
Authority Wies. & Schreib.
Family Ericaceae
CPC Number 230
ITIS 23501
Common Names Morro Manzanita
Associated Scientific Names Arctostaphylos morroensis
Distribution NA
State Rank
State State Rank
California S2

coastal maritime chaparral oak woodland plant communities

Ecological Relationships

Common Name Name in Text Association Type Source InteractionID

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