@article{fdi:010076582, title = {{P}arallel ecological filtering of ultramafic soils in three distant island floras}, author = {{P}illon, {Y}ohan and {G}onzalez, {D}. {A}. and {R}andriambanona, {H}. and {L}owry, {P}. {P}. and {J}affre, {T}. and {M}erlot, {S}.}, editor = {}, language = {{ENG}}, abstract = {{A}im {A}lexander von {H}umboldt observed that plant communities on different continents but under similar climatic conditions shared few common species but often contained representatives of the same genera or higher taxonomic groups. {T}o test if this observation can be extended to substrate type, we explored whether a phylogenetic signature could be seen among floras growing on ultramafic substrates that present challenging edaphic conditions for plant growth and are well-known for their distinctive vegetation. {L}ocation {C}uba, {M}adagascar, {N}ew {C}aledonia. {T}axon {A}ngiosperms. {M}ethods {W}e compared the floras of {C}uba, {M}adagascar and {N}ew {C}aledonia to test whether the same plant families were under- or over-represented on the ultramafic substrates of the three islands. {R}esults {P}airwise comparisons showed that plant orders and families tended to have the same behaviour on the three islands, i.e. ultramafic substrates filtered (in favour of or against) the same plant groups in the three biogeographical distinct areas. {T}he {COM} clade (comprising {C}elastrales, {O}xalidales and {M}alpighiales) appears to be over-represented on ultramafic substrates in all three islands and contains over half of the world's known nickel hyperaccumulators. {M}ain conclusions {O}ur analyses provide support for {H}umboldt's observation by showing that ecological sorting can favour the same plant lineages in similar environments in different biogeographical regions.}, keywords = {disharmony ; ecological filtering ; exaptation ; island ; niche ; conservatism ; nickel hyperaccumulator ; serpentine ; {NOUVELLE} {CALEDONIE} ; {CUBA} ; {MADAGASCAR}}, booktitle = {}, journal = {{J}ournal of {B}iogeography}, volume = {46}, numero = {11}, pages = {2457--2465}, ISSN = {0305-0270}, year = {2019}, DOI = {10.1111/jbi.13677}, URL = {https://www.documentation.ird.fr/hor/fdi:010076582}, }