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New species varieties and combinations in bidens section greenmania asteraceae coreopsideae



New species varieties and combinations in bidens section greenmania asteraceae coreopsideae



Phytologia 69(3): 177-188



As a result of systematic studies of Bidens section Greenmania in Mexico, Central America, and Jamaica, the following new taxa and nomenclatural combinations are proposed: two new species, Bidens izabalensis sp. nov., and Bidens boquetiensis sp. nov.; four new varieties, Bidens antiguensis Coulter var. salvadorensis var. nov., Bidens squarrosa H.B.K. var. atrostriata var. nov., Bidens squarrosa var. speciosa var. nov., and Bidens squarrosa var. hondurensis var. nov.; and three new varietal combinations, Bidens antiguensis var. procumbens comb. nov., Bidens squarrosa var. tereticaulis comb. nov., and Bidens squarrosa var. indivisa comb. nov. When appropriate, keys to the taxa are provided.

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