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POLYCLAVE KEYING WITH ONE CARD PER CHARACTER
Author(s) -
Sinnott Quinn P.
Publication year - 1982
Publication title -
taxon
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 81
eISSN - 1996-8175
pISSN - 0040-0262
DOI - 10.2307/1219991
Subject(s) - character (mathematics) , keying , identification (biology) , taxon , computer science , arithmetic , biology , telecommunications , mathematics , ecology , geometry
Summary A modified polyclave keying method is described which employs one card per character rather than character state. This can allow a great reduction in the total number of cards required for keying, along with a lessened need to keep the cards carefully sorted. This allows practical field use of the key. The keying deck is an attribute type with up to 78 taxa and 10 character states or 156 taxa and 5 character states per card. Identifications are made by overlapping the character cards on an identification board. Additional cards or decks are required when the number of character states is greater than 10 (or five in the 156 taxa version) or the number of taxa exceeds 78 (156 in the larger version).