F1027 Crataegus chrysocarpa Ashe (tetraploid) (Permalink) (Viewed 275 times )
F1026 Crataegus douglasii Lindley (allopolyploid) (Permalink) (Viewed 290 times )
F1028 Crataegus macracantha Lodd. ex Loud. (tetraploid) (Permalink) (Viewed 285 times )
F1025 Crataegus suksdorfii (Sarg.) Kruschke (allopolyploid ) (Permalink) (Viewed 303 times )
F1024 Crataegus suksdorfii (Sarg.) Kruschke (diploid ) (Permalink) (Viewed 309 times )