| Polyporus | A. L. Welden 2362 | 05 Jul 1961 | Suriname | — | Citrus proef (not sure of… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus | A. L. Welden 2382 | 06 Jul 1961 | Suriname | — | Brokobakka: between Affobakka & Brokopongo | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus dictyopus Mont. | A. L. Welden 2386 | 06 Jul 1961 | Suriname | — | Brokobakka: between Affobakka & Brokopongo | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus | A. L. Welden 2428 | 11 Jul 1961 | Suriname | — | Kamp 8: 500 m. Path… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus tenuiculus P.Beauv.:Fr. | A. L. Welden 2455 | 11 Jul 1961 | Suriname | — | Kamp 8, 500 m path… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus leprieurii Mont. | A. L. Welden 2482 | 11 Jul 1961 | Suriname | — | Kamp 8, 500 Meters path… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus | A. L. Welden 2494 | 12 Jul 1961 | Suriname | — | West Indies, along Path, 165… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus | A. L. Welden 2499 | 12 Jul 1961 | Suriname | — | Along path, 165 meters near… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus | A. L. Welden 2528 | 13 Jul 1961 | Suriname | — | S - E S.W. of… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus | A. L. Welden 2560 | 14 Jul 1961 | Suriname | — | E. to S. of Kamp… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus | A. L. Welden 2577 | 14 Jul 1961 | Suriname | — | E. to S. of kamp… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus badius (Pers.) Schwein. | A. L. Welden 2711 | 7-9-62 | Guadeloupe | — | West Indies, Matouba forest | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus guianensis Mont. | A. L. Welden 2715 | 09 Jul 1962 | Guadeloupe | — | Matouba Forest | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus badius (Pers.) Schwein. | A. L. Welden 2723 | 07 Jul 1962 | Guadeloupe | — | West Indies, Neauf-chateau and Grand… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus curtipes (Berk. & M.A.Curtis) Ryvarden | A. L. Welden 2829 | 30 May 1964 | United States of America | Florida | Highlands Co. Highlands Hammock State… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus tenuiculus P.Beauv.:Fr. | A. L. Welden 2931 | 19 Jan 1968 | Costa Rica | Guanacaste | Hacienda Los Inocentes | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus tenuiculus P.Beauv.:Fr. | A. L. Welden 3001 | 08 Jun 1970 | Costa Rica | Cartago | Tapanti | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus tricholoma Mont. | A. L. Welden 3036 | Outer label has 9 Jun 1970, inside has 25 Jul 1969 | Costa Rica | — | Above Muneco | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus tenuiculus P.Beauv.:Fr. | A. L. Welden 3054 | 12 Jun 1970 | Costa Rica | — | Near Tuis above Platanillo | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus dictyopus Mont. | A. L. Welden 3107 | 24 May 1971 | Guatemala | — | Near Coban | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus tenuiculus P.Beauv.:Fr. | A. L. Welden 3113 | 21 May 1971 | Guatemala | — | El Salto, near Esquintla | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus | A. L. Welden 3226 | 06 Jan 1973 | Costa Rica | — | No. of San Ramon or… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus tricholoma Mont. | A. L. Welden 3469 | 05 Jul 1974 | Mexico | Chiapas | Below Palenque ruins | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus | A. L. Welden 3536 | 14 Jul 1974 | Mexico | — | Rancho Solo near X-hatil, road… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polyporus tenuiculus P.Beauv.:Fr. | A. L. Welden 3626 | 14 Jul 1974 | Mexico | Veracruz | Near Campamento Hermanos Cedilla, Uxpanapa… | — |  |  |  |  |