Harvard University Herbaria & Libraries

Rosaceae
A: 00018125 Crataegus alacris Sargent USA: Pennsylvania Sellersville: C. D. Fretz 125 1903-9-21
A: 00018126 Crataegus alacris Sargent USA: Pennsylvania Sellersville: C. D. Fretz 125 1903-9-21
A: 00018124 Crataegus alacris Sargent USA: Pennsylvania Sellersville: C. D. Fretz 125 1903-5-16
A: 00018127 Crataegus alacris Sargent USA: Pennsylvania Sellersville: C. D. Fretz 125 1903-5-16
A: 00002600 Crataegus callista Sargent USA: Pennsylvania Sellersville: Near Rockhill Station C. D. Fretz 155 1903-5-22
A: 00018333 Crataegus collinsiana Sargent USA: Pennsylvania Sellersville: C. D. Fretz 163 1903-5-15
A: 00018334 Crataegus collinsiana Sargent USA: Pennsylvania Sellersville: C. D. Fretz 163 1903-9-14
A: 00002855 Crataegus condensa Sargent USA: Pennsylvania Sellersville: Pleasant Spring Bridge C. D. Fretz 173 1903-9-17
A: 00016318 Crataegus delicata Sargent USA: Pennsylvania Sellersville: C. D. Fretz 177 1903-9-14
A: 00016317 Crataegus delicata Sargent USA: Pennsylvania Sellersville: C. D. Fretz 177 1903-5-15
A: 00016760 Crataegus lata Sargent USA: Pennsylvania Sellersville: C. D. Fretz 140 1903-9-22
A: 00016840 Crataegus longipetiolata Sargent USA: Pennsylvania Sellersville: C. D. Fretz 178 1903-5-15
A: 00016841 Crataegus longipetiolata Sargent USA: Pennsylvania Sellersville: C. D. Fretz 178 1903-9-14
A: 00016760 Crataegus macrosperma Ashe USA: Pennsylvania Sellersville: C. D. Fretz 140 1903-9-22
A: 00018029 Crataegus micrantha Sargent USA: Pennsylvania Sellersville: C. D. Fretz 183 1903-9-18
A: 00018028 Crataegus micrantha Sargent USA: Pennsylvania Sellersville: C. D. Fretz 183 1903-5-20
A: 00017254 Crataegus pumila Sargent USA: Pennsylvania Sellersville: C. D. Fretz 139 1903-9-22
A: 00017253 Crataegus pumila Sargent USA: Pennsylvania Sellersville: C. D. Fretz 139 1903-5-22
A: 00017374 Crataegus scabriuscula Sargent USA: Pennsylvania Dunham: C. D. Fretz 170 1903-5-9
A: 00017375 Crataegus scabriuscula Sargent USA: Pennsylvania Dunham: C. D. Fretz 170 1903-9-29