@article{fdi:010064905, title = {{T}he flora of ultramafic soils in the {A}ustralia-{P}acific {R}egion : state of knowledge and research priorities}, author = {van der {E}nt, {A}. and {J}affr{\'e}, {T}anguy and {L}'{H}uillier, {L}. and {G}ibson, {N}. and {R}eeves, {R}. {D}.}, editor = {}, language = {{ENG}}, abstract = {{I}n the {A}ustralia-{P}acific {R}egion ultramafic outcrops are both widespread and extensive, covering thousands of km(2). {S}oils derived from ultramafic bedrock impose edaphic challenges and are widely known to host highly distinctive floras with high levels of endemism. {I}n the {A}ustralia-{P}acific {R}egion, the ultramafics of the island of {N}ew {C}aledonia are famed for harbouring 2150 species of vascular plants of which 83% are endemic. {A}lthough the ultramafic outcrops in {W}estern {A}ustralia are also extensive and harbour 1355 taxa, only 14 species are known to be endemic or have distributions centred on ultramafics. {T}he ultramafic outcrops in {N}ew {Z}ealand and {T}asmania are small and relatively species-poor. {T}he ultramafic outcrops in {Q}ueensland are much larger and host 553 species of which 18 (or possibly 21) species are endemic. {A}lthough {N}ew {C}aledonia has a high concentration of {N}i hyperaccumulator species (65), only one species from {W}estern {A}ustralia and two species from {Q}ueensland have so far been found. {N}o {N}i hyperaccumulator species are known from {T}asmania and {N}ew {Z}ealand. {H}abitat destruction due to forest clearing, uncontrolled fires and nickel mining in {N}ew {C}aledonia impacts on the plant species restricted to ultramafic soils there. {I}n comparison with the nearby floras of {N}ew {G}uinea and {S}outh-east {A}sia, the flora of the {A}ustralia-{P}acific {R}egion is relatively well studied through the collection of a large number of herbarium specimens. {H}owever, there is a need for studies on the evolution of plant lineages on ultramafic soils especially regarding their distinctive morphological characteristics and in relation to hyperaccumulation.}, keywords = {edaphic ; endemism ; hyperaccumulator ; serpentine ; {NOUVELLE} {CALEDONIE}}, booktitle = {}, journal = {{A}ustralian {J}ournal of {B}otany}, volume = {63}, numero = {3-4}, pages = {173--190}, ISSN = {0067-1924}, year = {2015}, DOI = {10.1071/bt15038}, URL = {https://www.documentation.ird.fr/hor/fdi:010064905}, }