J. A. Mejías

Sonchus laceratus, synonyms including Dendroseris lacerata and Thamnoseris lacerata, is a species of plants in the daisy family Asteraceae. It is endemic to the Desventuradas Islands in the South Pacific, part of Chile. It is commonly known as the pachycaul tree.

Sonchus splendens, synonym Dendroseris macrophylla, is a species of flowering plant in the family Asteraceae. It is endemic to the Juan Fernández Islands of Chile. It is threatened by habitat loss.

Sonchus phoeniciformis, synonym Dendroseris pinnata, is a species of flowering plant in the family Asteraceae. It is endemic to the Juan Fernández Islands of Chile. It is threatened by habitat loss.

Sonchus brassicifolius, synonym Dendroseris litoralis, is a species of flowering plant in the daisy and sunflower family Asteraceae. It is a small evergreen tree species known as the cabbage tree. It is endemic to the Juan Fernández Islands, which lie in the southeast Pacific, off the west coast of Chile. It is native only to the tiny, volcanic Robinson Crusoe Island, home of the famed Juania australis and many other endemic plants. The species is threatened by habitat loss and has been brought back from the brink of extinction. It had been reduced to only a few individuals by feral goats on

Sonchus neriifolius, synonym Dendroseris neriifolia is a species of flowering plant in the family Asteraceae. It is a tree with droopy, elongated leaves and small yellow-white flowers. The plant was originally native to Continental Chile but is now endemic to Robinson Crusoe Island. The plant is endangered and very rare: only two specimens are known to exist in a ravine in the eastern part of the island, although there exist other human-cultivated specimens. It is classified as critically endangered by the World Conservation Monitoring Centre.

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Sonchus micranthus, synonym Dendroseris micrantha, is a species of flowering plant in the family Asteraceae. It is endemic to the Juan Fernández Islands of Chile. It is threatened by habitat loss.

Sonchus berteroanus, synonym Dendroseris berteroana, is a species of flowering plant in the family Asteraceae. It is found only in the Juan Fernández Islands of Chile. It is threatened by habitat loss.

Sonchus subg. Dendroseris is a subgenus of flowering plants in the genus Sonchus, family Asteraceae. It was formerly treated as the genus Dendroseris, with one species sometimes placed in Thamnoseris. All the species placed in the subgenus are endemic to either the Juan Fernández Islands or the Desventuradas Islands in the South Pacific, both part of Chile.

Sonchus regius, synonym Dendroseris regia, is a species of flowering plant in the family Asteraceae. It is endemic to the Juan Fernández Islands of Chile. It is threatened by habitat loss.

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