| 
                                    Coscinodon calyptratus (Drumm.) C.E.O.Jensen
                                 | 
                                T. C. Porter  | 
                                Jul 1873 | 
                                United States of America | 
                                Colorado | 
                                [Illegible] Pass. Colorado Springs | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Actinella grandiflora var. glabrata Porter
                                 | 
                                T. C. Porter s.n. | 
                                Aug 1874 | 
                                United States of America | 
                                Colorado | 
                                Sangre de Cristo Range, C.… | 
                                possible isotype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Lewinskya laevigata (J.E.Zetterst.) F.Lara, Garilleti & Goffinet
                                 | 
                                T. C. Porter  | 
                                Not sure if July 1873 or July 4th 1889 | 
                                United States of America | 
                                Colorado | 
                                Arkansas River | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Aster cordifolius var. lanceolatus Porter
                                 | 
                                T. C. Porter s.n. | 
                                Oct 1888 | 
                                United States of America | 
                                Pennsylvania | 
                                Northampton Co. Easton | 
                                syntype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Aster cordifolius var. lanceolatus Porter
                                 | 
                                T. C. Porter s.n. | 
                                29 Sep 1886 | 
                                United States of America | 
                                Pennsylvania | 
                                Northampton Co. Easton | 
                                lectotype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Suaeda depressa var. erecta S.Watson
                                 | 
                                T. C. Porter s.n. | 
                                08 Aug 1871 | 
                                United States of America | 
                                Montana | 
                                Crow Agency, Montana Ter.; Hayden | 
                                possible syntype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Hygrohypnum ochraceum (Turner ex Wilson) Loeske
                                 | 
                                T. C. Porter  | 
                                — | 
                                United States of America | 
                                Pennsylvania | 
                                Clarion Co. Near Easton. [Inferred… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Eremogone congesta (Nutt.) Ikonn. var. congesta
                                 | 
                                T. C. Porter s.n. | 
                                19 Jul 1873 | 
                                United States of America | 
                                — | 
                                Uinta Mountains, Utah Territory. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Eremogone congesta (Nutt.) Ikonn. var. congesta
                                 | 
                                T. C. Porter s.n. | 
                                19 Jul 1873 | 
                                United States of America | 
                                — | 
                                Uinta Mountains, Utah Territory. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Eremogone congesta (Nutt.) Ikonn. var. congesta
                                 | 
                                T. C. Porter s.n. | 
                                25 Sep 1870 | 
                                United States of America | 
                                Wyoming | 
                                Unita Mtns. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Thalictrum alpinum L.
                                 | 
                                T. C. Porter s.n. | 
                                25 Jul 1873 | 
                                United States of America | 
                                Utah | 
                                Uinta Mountains | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Thalictrum alpinum L.
                                 | 
                                T. C. Porter s.n. | 
                                25 Jul 1873 | 
                                United States of America | 
                                Utah | 
                                Uinta Mountains | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Thalictrum scopulorum Greene
                                 | 
                                T. C. Porter s.n. | 
                                25 Jul 1873 | 
                                United States of America | 
                                Utah | 
                                Uinta Mountains | 
                                not a type | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Polytrichum pallidisetum Funck
                                 | 
                                T. C. Porter  | 
                                — | 
                                United States of America | 
                                Pennsylvania | 
                                Monroe Co. Canadensis | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Brachythecium rivulare Schimp.
                                 | 
                                T. C. Porter  | 
                                — | 
                                United States of America | 
                                Pennsylvania | 
                                Clarion Co. Near Easton. [Inferred… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Solidago porteri Small
                                 | 
                                T. C. Porter s.n. | 
                                01 Sep 1846 | 
                                United States of America | 
                                Georgia | 
                                Monticello | 
                                holotype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Solidago porteri Small
                                 | 
                                T. C. Porter s.n. | 
                                01 Sep 1846 | 
                                United States of America | 
                                Georgia | 
                                Middle Georgia | 
                                isotype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Solidago porteri Small
                                 | 
                                T. C. Porter s.n. | 
                                01 Sep 1846 | 
                                United States of America | 
                                Georgia | 
                                Middle Georgia | 
                                isotype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Lupinus cusickii S.Watson
                                 | 
                                T. C. Porter 1361 | 
                                Jul 1866 | 
                                United States of America | 
                                Oregon | 
                                Upper Bu[?] River | 
                                isotype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Dicranum fuscescens Turner
                                 | 
                                T. C. Porter  | 
                                Aug 1873 | 
                                United States of America | 
                                Colorado | 
                                Eagle River | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Thamnobryum alleghaniense (Müll.Hal.) Nieuwl.
                                 | 
                                T. C. Porter  | 
                                1871 | 
                                United States of America | 
                                Pennsylvania | 
                                Bucks Co. Nockamixon Cliffs | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ceratodon purpureus (Hedw.) Brid.
                                 | 
                                T. C. Porter  | 
                                Jul 1873 | 
                                United States of America | 
                                Colorado | 
                                Glen Eyie | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Calamagrostis porteri A.Gray
                                 | 
                                T. C. Porter s.n. | 
                                1862 | 
                                United States of America | 
                                Pennsylvania | 
                                In montosis Pennsylvaniae | 
                                isotype | 
                                 | 
                                 | 
                                
                                                                      
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                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Grayia spinosa (Hook.) Moq.
                                 | 
                                T. C. Porter 10373 | 
                                04 Aug 1873 | 
                                United States of America | 
                                Wyoming | 
                                Fort Bridger | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bryoerythrophyllum recurvirostre (Hedw.) P.C.Chen
                                 | 
                                T. C. Porter  | 
                                28 Aug 1871 | 
                                United States of America | 
                                Maine | 
                                Mt. Kines, Moosehead Lake | 
                                — | 
                                 | 
                                 | 
                                
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                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Hypnum lindbergii Mitt.
                                 | 
                                T. C. Porter  | 
                                — | 
                                United States of America | 
                                Pennsylvania | 
                                Clarion Co. Near Easton. [Inferred… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Hypnum lindbergii Mitt.
                                 | 
                                T. C. Porter  | 
                                6/1/1869 | 
                                United States of America | 
                                Pennsylvania | 
                                Northampton Co. [Weygat?] | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Alyssum alyssoides (L.) L.
                                 | 
                                T. C. Porter  | 
                                May-Jun 1875 | 
                                United States of America | 
                                Pennsylvania | 
                                Clarion Co. Near Easton. [Inferred… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Alyssum alyssoides (L.) L.
                                 | 
                                T. C. Porter s.n. | 
                                08 Jun 1892 | 
                                United States of America | 
                                Pennsylvania | 
                                Northampton Co. College Campus [=Lafayette… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Alyssum alyssoides (L.) L.
                                 | 
                                T. C. Porter s.n. | 
                                1877 | 
                                United States of America | 
                                Pennsylvania | 
                                Clarion Co. Near Easton. [Inferred… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Alyssum alyssoides (L.) L.
                                 | 
                                T. C. Porter s.n. | 
                                01 Jun 1877 | 
                                United States of America | 
                                Pennsylvania | 
                                Northampton Co. College campus [=Lafayette… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Alyssum alyssoides (L.) L.
                                 | 
                                T. C. Porter s.n. | 
                                04 Jun 1895 | 
                                United States of America | 
                                Pennsylvania | 
                                Northampton Co. College Hill | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Eriogonum heracleoides Nutt. var. heracleoides
                                 | 
                                T. C. Porter s.n. | 
                                05 Jun 1871 | 
                                United States of America | 
                                Utah | 
                                Ogden, Utah Territory. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Grimmia olneyi Sull.
                                 | 
                                T. C. Porter  | 
                                May 1869 | 
                                United States of America | 
                                Pennsylvania | 
                                Northampton Co. Pot Rocks, above… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Grimmia olneyi Sull.
                                 | 
                                T. C. Porter  | 
                                — | 
                                United States of America | 
                                Pennsylvania | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Carex miliaris var. major L.H.Bailey
                                 | 
                                T. C. Porter s.n. | 
                                — | 
                                United States of America | 
                                Maine | 
                                Outlet of Moosehead Lake | 
                                possible type | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Carex miliaris var. major L.H.Bailey
                                 | 
                                T. C. Porter s.n. | 
                                — | 
                                United States of America | 
                                Maine | 
                                Outlet of Moosehead Lake | 
                                possible type | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Fissidens adianthoides Hedw.
                                 | 
                                T. C. Porter  | 
                                28 Nov 1867 | 
                                United States of America | 
                                Pennsylvania | 
                                Bucks Co. Nockamixon Rocks | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Orthotrichum lescurii Austin
                                 | 
                                T. C. Porter  | 
                                Apr 1886 | 
                                United States of America | 
                                Pennsylvania | 
                                Clarion Co. Near Easton. [Inferred… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Orthotrichum strangulatum P.Beauv.
                                 | 
                                T. C. Porter  | 
                                12 Apr 1888 | 
                                United States of America | 
                                Pennsylvania | 
                                Northampton Co. College Hill | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Orthotrichum strangulatum P.Beauv.
                                 | 
                                T. C. Porter s.n. | 
                                Apr 1883 | 
                                United States of America | 
                                Pennsylvania | 
                                Clarion Co. Near Easton. [Inferred… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Orthotrichum strangulatum P.Beauv.
                                 | 
                                T. C. Porter s.n. | 
                                23 Apr 1890 | 
                                United States of America | 
                                Pennsylvania | 
                                Clarion Co. Near Easton. [Inferred… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Orthotrichum strangulatum P.Beauv.
                                 | 
                                T. C. Porter s.n. | 
                                23 Apr 1890 | 
                                United States of America | 
                                Pennsylvania | 
                                Clarion Co. Near Easton. [Inferred… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Polytrichastrum alpinum (Hedw.) G.L.Sm.
                                 | 
                                T. C. Porter  | 
                                — | 
                                United States of America | 
                                — | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Betula glandulosa Michx.
                                 | 
                                T. C. Porter 2587 | 
                                19 Jul 1873 | 
                                United States of America | 
                                Utah | 
                                Uinta Mountains | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Penstemon caespitosus Nutt. ex A.Gray var. caespitosus
                                 | 
                                T. C. Porter 7984 | 
                                Jul 1873 | 
                                United States of America | 
                                Wyoming | 
                                Fort Bridger | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Suaeda calceoliformis (Hook.) Moq.
                                 | 
                                T. C. Porter 2929 | 
                                06 Aug 1873 | 
                                United States of America | 
                                Wyoming | 
                                Fort Bridger | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Thlaspi montanum L. var. montanum
                                 | 
                                T. C. Porter 3525 | 
                                19 Jul 1873 | 
                                — | 
                                — | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Thlaspi montanum L. var. montanum
                                 | 
                                T. C. Porter  | 
                                19 Jul 1873 | 
                                United States of America | 
                                Utah | 
                                Uinta Mountains, Utah Territory | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Thlaspi montanum L. var. montanum
                                 | 
                                T. C. Porter  | 
                                1873 | 
                                United States of America | 
                                Utah | 
                                Uinta Mountains. was Wyoming Territory… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 |