Rare

A species is Rare when it meets at least one of four South African criteria for rarity, but is not exposed to any direct or plausible potential threat and does not qualify for a category of threat according to one of the five IUCN criteria. The four criteria are as follows:

  • Restricted range: Extent of Occurrence (EOO) <500 km2, OR
  • Habitat specialist: Species is restricted to a specialized microhabitat so that it has a very small Area of Occupancy (AOO), typically smaller than 20 km2, OR
  • Low densities of individuals: Species always occurs as single individuals or very small subpopulations (typically fewer than 50 mature individuals) scattered over a wide area, OR
  • Small global population: Less than 10 000 mature individuals

See The National Red List.

Nothing found in this category.

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When using data from our database, please cite

GSDB (): Genome size database of the Greater Cape flora, Facilitated by Institute of Botany, Czech Academy of Sciences. Published on the Internet; https://botany.natur.cuni.cz/gsdb/, Retrieved .

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