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Manual de Plantas de Costa Rica

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The Cutting Edge

Volume XIX, Number 3, July 2012

News and Notes | Leaps and Bounds | Germane Literature | Season's Pick | Annotate your copy

MINUS ONE FERN. Manual correspondent and fern deity Alan R. Smith (UC) reports that the specimen G. Herrera & Chacón 2695 (MO), cited in Robbin C. Moran’s (NY) Flora mesoamericana treatment of Polypodium as the Costa Rican voucher for P. rosei Maxon, actually represents Polypodium tico A. Rojas, described in 1996 (a year after the publiction of the Meso fern volume). Alan characterizes the latter sp. as rare (he knows of just five collections) and narrowly endemic to Costa Rica. He states that Polypodium rosei appears restricted to western Mexico (i.e., the Honduran specimen cited in Meso was probably also misidentified) and “can be confidently removed from” the Costa Rican flora. You win some, you lose some!

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