[1] Dalhousie Univ, Dept Biol, Halifax, NS B3H 4J1, Canada
[2] Univ British Columbia, Dept Bot & Zool, Vancouver, BC V6T 1Z4, Canada
[3] Dalhousie Univ, Dept Biochem, Halifax, NS B3H 4J1, Canada
[4] Lamont Doherty Earth Observ, Palisades, NY 10964 USA
[5] Univ Oxford, Dept Zool, Oxford OX1 3PS, England
[6] New York State Dept Hlth, Wadsworth Ctr, Albany, NY 12201 USA
[7] Univ Clermont Ferrand 2, F-63177 Clermont Ferrand, France
[8] Univ Georgia, Ctr Ultrastruct Res, Dept Cell Biol, Athens, GA 30602 USA
[9] Herzen State Pedagog Univ Russia, Fac Biol, St Petersburg 191186, Russia
[10] US Forest Serv, USDA, Ctr Forest Mycol Res, Luquillo, PR USA
[11] Royal Bot Gardens, Edinburgh EH3 5LR, Midlothian, Scotland
[12] Univ Aachen, Rhein Westfal TH Aachen, Inst Biol 2, Unit Cellular Neurobionics, D-52056 Aachen, Germany
[13] Michigan State Univ, Dept Genet & Microbiol, Med Technol Program, E Lansing, MI 48824 USA
[14] Kobehawns Univ, Dept Phycol, DK-1353 Copenhagen, Denmark
[15] Middle Georgia Coll, Cochran, GA 31014 USA
[16] St Petersburg State Univ, Dept Invertebrate Zool, St Petersburg 199034, Russia
[17] Univ Arkansas, Dept Biol Sci, Fayetteville, AR 72701 USA