Isolate Origin Host Management Species Anastomosis GenBank Type acronym group Accession no‡. ANP 202B Annapolis, MD Tall fescue Lawn Rs AG 2‐2IIIB JX631193 ANP 205A Annapolis, MD Tall fescue Lawn Rs AG 2‐2IIIB JX631194 ANP 205B2 Annapolis, MD Tall fescue Lawn Rs AG 2‐2IIIB JX631195 ANP 309A Annapolis, MD Tall fescue Lawn Rs AG 2‐2IIIB JX631196 ANP 301B Annapolis, MD Tall fescue Lawn Rs AG 1‐IB JX631170 ANP 306B Annapolis, MD Tall fescue Lawn Rs AG 1‐IB JX631171 ANP 109B Annapolis, MD Tall fescue Lawn UWC WAG JX631224 ANP 304 Annapolis, MD Tall fescue Lawn UWC WAG JX631225 BELT 114 Beltsville, MD Tall fescue Lawn Rs AG 2‐2IIIB JX631189 BELT 150 Beltsville, MD Tall fescue Lawn Rs AG 2‐2IIIB JX631190 BELT 262 Beltsville, MD Tall fescue Lawn Rs AG 2‐2IIIB JX631191 BELT 267 Beltsville, MD Tall fescue Lawn Rs AG 2‐2IIIB   BELT 26 Beltsville, MD Tall fescue Lawn Rs AG 1‐IB JX631156 BELT 2 Beltsville, MD Tall fescue Lawn Rs AG 1‐IB JX631157 BELT 5 Beltsville, MD Tall fescue Lawn Wcz WAG‐Z JX631239 BELT 159 Beltsville, MD Tall fescue Lawn Wcz WAG‐Z JX631237 BELT 228 Beltsville, MD Tall fescue Lawn UWC WAG JX631221 BLBG 6 Blacksburg, VA CBG/ABG Golf green Rs AG 2‐2IIIB JX631186 BLBG 13 Blacksburg, VA CBG/ABG Golf green Rs AG 2‐2IIIB JX631185 BLBG 20C Blacksburg, VA CBG/ABG Golf green Rs AG 2‐2IIIB JX631180 BLBG 22C Blacksburg, VA CBG/ABG Golf green Rs AG 2‐2IIIB JX631181 BLBG 32C Blacksburg, VA CBG/ABG Golf green Rs AG 2‐2IIIB JX631182 BLBG 320 Blacksburg, VA Tall fescue Lawn Rs AG 1‐IB JX631162 BLBG 510 Blacksburg, VA Tall fescue Lawn Rs AG 1‐IB JX631165 BLBG 430 Blacksburg, VA Tall fescue Lawn Rs AG 1‐IB JX631164 BLBG 350 Blacksburg, VA Tall fescue Lawn Rs AG 1‐IB JX631163 BLBG 211 Blacksburg, VA CBG/ABG Golf green Wcc WAG JX631228 BLBG 216 Blacksburg, VA CBG/ABG Golf green Wcc WAG JX631229 BLBG 202 Blacksburg, VA CBG/ABG Golf green Wcc WAG JX631230 BLBG 8 Blacksburg, VA CBG/ABG Golf green Wcc WAG JX631227 HDN 102 Herndon, VA CBG/ABG Golf green Rs AG 2‐2IIIB JX631201 HDN 208By Herndon, VA Tall fescue Golf rough Rs AG 2‐2IIIB JX631202 HDN 225 Herndon, VA Tall fescue Golf rough Rs AG 2‐2IIIB JX631203 HDN 111A Herndon, VA Tall fescue Golf rough Rs AG 1‐IB JX631166 HDN 122A Herndon, VA Tall fescue Golf rough Rs AG 1‐IB JX631167 HDN 302 Herndon, VA Tall fescue Golf rough Rs AG 1‐IB JX631168 HDN 115A Herndon, VA Tall fescue Golf rough Wcz WAG‐Z JX631235 HDN 211 Herndon, VA Tall fescue Golf rough Wcz WAG‐Z JX631236 HDN 222A Herndon, VA Tall fescue Golf rough UWC WAG JX631226 LB 312 Leesburg, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631192 LB 317 Leesburg, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631183 LB 325 Leesburg, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631184 LB 4114 Leesburg, VA Tall fescue Golf rough Rs AG 2‐2IIIB - LB 4118B Leesburg, VA Tall fescue Golf rough Rs AG 2‐2IIIB JX631197 LB 4303 Leesburg, VA Tall fescue Golf rough Rs AG 2‐2IIIB JX631198 LB 4316 Leesburg, VA CBG/ABG Golf green Rs AG 2‐2IIIB JX631199 LB 4319 Leesburg, VA Tall fescue Golf rough Rs AG 2‐2IIIB JX631200 LB 123 Leesburg, VA Tall fescue Lawn Rs AG 1‐IB JX631158 LB 124 Leesburg, VA Tall fescue Lawn Rs AG 1‐IB JX631159 LB 127 Leesburg, VA Tall fescue Lawn Rs AG 1‐IB JX631160 LB 234 Leesburg, VA Tall fescue Lawn Rs AG 1‐IB JX631161 LB 4217 Leesburg, VA Tall fescue Golf rough Rs AG 1‐IB JX631169 LB 204 Leesburg, VA Tall fescue Lawn Rs AG 5 JX631204 LB 319 Leesburg, VA Tall fescue Lawn Wcz WAG‐Z JX631233 LB 228 Leesburg, VA Tall fescue Lawn Wcz WAG‐Z JX631234 LB 4116 Leesburg, VA Tall fescue Golf rough Wcz WAG‐Z JX631238 BSF 69 Richmond, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631176 BSF 50 Richmond, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631175 BSF 42 Richmond, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631174 BSF 90 Richmond, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631177 BSF 207 Richmond, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631178 BSF 209 Richmond, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631179 BSF 214 Richmond, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631188 BSF 127 Richmond, VA Tall fescue Lawn Rs AG 2‐2IIIB JX631187 BSF 13 Richmond, VA Tall fescue Lawn UWC WAG JX631223 PW 326 Woodbridge, VA Tall fescue Lawn Rs AG 1‐IB JX631173 PW 353 Woodbridge, VA Tall fescue Lawn Rs AG 1‐IB JX631172 PW 220 Woodbridge, VA Tall fescue Lawn Wcz WAG‐Z JX631232 PW 119 Woodbridge, VA Tall fescue Lawn Wcz WAG‐Z JX631231 VABCH 8 Virginia Beach, VA Tall fescue Lawn Wcz WAG‐Z - VABCH 10 Virginia Beach, VA Tall fescue Lawn Wcz WAG‐Z -

*ABG: Annual Bluegrass; CBG: Creeping Bentgrass; Rs: R. solani; Wcz: W. circinata var. zeae; Wcc: W. circinata var. circinata; UWC: Unidentified W. circinata species.‡ITS sequence.

Table 1: Geographic origin, host, management type, species, and anastomosis group of isolates used in this study*.