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Lectotypification of Pinus mugo Turra (Pinaceae)

Paolo Minghetti and Enio Nardi
Taxon
Vol. 48, No. 3 (Aug., 1999), pp. 465-469
DOI: 10.2307/1224557
Stable URL: http://www.jstor.org/stable/1224557
Page Count: 5
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Lectotypification of Pinus mugo Turra (Pinaceae)
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Abstract

The lectotype of Pinus mugo from the Séguier Herbarium, designated here, belongs to introgressive populations between the eastern and the western subspecies, generally named P. mugo subsp. mugo and subsp. uncinata, respectively. The name P. mugo subsp. mugo would not therefore represent the eastern populations of the species, as has been generally accepted, but should be adopted for the central, intermediate subspecies, known to date as P. mugo subsp. rotundata. This change, however, would so much disrupt the established nomenclature of the group that it is advisable to conserve the name P. mugo with a type that agrees with current usage.

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