IUCN threat status:

Critically Endangered (CR)

Distribution

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Range Description

Beta patula is endemic to two islets in the Madeira archipielago, Portugal: Ilhu do Desembarcadouro in the region of Ponta de So Loureno in the eastern part of mainland Madeira, and Ilhu Cho in the Desertas Islands to the southwest of mainland Madeiraboth small, uninhabited islets. Ilhu do Desembarcadouro covers an area of 1.8 km, while Ilhu Cho covers an area of approximately 0.5 km. On Ilhu do Desembarcadouro, wild beets show a patchy distribution pattern. B. patula has been recorded at six sites on the islet and shares the habitat with B. vulgaris ssp. maritima and Patellifolia procumbens at five of these sites. On Ilhu Cho, B. patula is found only at one site where it grows alongside B. vulgaris ssp. maritima and Patellifolia procumbens (Frese and Carvalho in prep.). The extent of occurrence (EOO) is approximately 70 km and the area of occupancy (AOO) is less than 10 km.

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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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