Authors: NASH TH RYAN BD DAVIS WC BREUSS O HAFELLNER J LUMBSCH HT TIBELL L FEUERER T

Citation: Th. Nash et al., ADDITIONS TO THE LICHEN FLORA OF ARIZONA IV, The Bryologist, 101(1), 1998, pp. 93-99

Authors: RYAN BD NASH TH

Citation: Bd. Ryan et Th. Nash, PLACODIOID TAXA OF LECANORACEAE SENSU ZAHLBR. (LICHENIZED ASCOMYCOTINA) IN NORTH-AMERICA - TAXA EXCLUDED FROM LECANORA SUBG. PLACODIUM, Nova Hedwigia, 64(3-4), 1997, pp. 393-420

Authors: RYAN BD NASH TH

Citation: Bd. Ryan et Th. Nash, SYSTEMATICS OF LECANORA SUBGENUS PLACODIUM (LICHENIZED ASCOMYCOTINA) IN NORTH-AMERICA - AN OVERVIEW, WITH KEYS, Nova Hedwigia, 64(1-2), 1997, pp. 111-127

Authors: RYAN BD NASH TH

Citation: Bd. Ryan et Th. Nash, LECANORA SECT PETRASTERION (LICHENIZED ASCOMYCOTINA) IN NORTH-AMERICA- LECANORA-PUEBLAE SP-NOV, FROM MEXICO AND LECANORA-KOFAE SP-NOV, FROM ARIZONA, Mycotaxon, 53, 1995, pp. 479-488

Authors: RYAN BD DAWSON FM

Citation: Bd. Ryan et Fm. Dawson, COAL AND COALBED METHANE RESOURCE POTENTIAL OF THE BOWSER BASIN, NORTHERN BRITISH-COLUMBIA, Energy sources, 17(1), 1995, pp. 107-129

Authors: RYAN BD NASH TH

Citation: Bd. Ryan et Th. Nash, LECANORA SECTION PLACODIUM (LICHENIZED ASCOMYCOTINA) IN NORTH-AMERICA- NEW TAXA IN THE L-GAROVAGLII GROUP, The Bryologist, 96(3), 1993, pp. 288-298