Harvard University Herbaria & Libraries

Betulaceae
A: 00627644 Betula populifolia Marsh. USA: Massachusetts Westford: Westford A. I. Emerson 1904-8-3
Ericaceae
A: 01078299 Chimaphila maculata (Linnaeus) Pursh USA: Massachusetts Chelmsford: Chelmsford A. I. Emerson 1904-10-15
Rosaceae
A: 00768286 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Chelmsford: Chelmsford A. I. Emerson 3 1904-9-3
A: 00768287 Crataegus macracantha Loddiges ex Loudon USA: Massachusetts Chelmsford: Chelmsford A. I. Emerson 3 1904-9-3
A: 00709136 Crataegus macrosperma Ashe USA: Massachusetts Westford: Westford A. I. Emerson 2 1904-9-2
A: 00709137 Crataegus macrosperma Ashe USA: Massachusetts Westford: Westford A. I. Emerson 2 1904-9-2
A: 00709138 Crataegus macrosperma Ashe USA: Massachusetts Westford: Westford A. I. Emerson 1 1904-9-2
A: 00709139 Crataegus macrosperma Ashe USA: Massachusetts Westford: Westford A. I. Emerson 1 1904-9-2
A: 00768187 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Chelmsford: Chelmsford A. I. Emerson 8 1904-10-1
A: 00768191 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Chelmsford: Chelmsford A. I. Emerson 9 1904-10-10
A: 00768194 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Massachusetts Chelmsford: Chelmsford A. I. Emerson 6 1904-9-4
A: 00709726 Crataegus submollis Sargent USA: Massachusetts Chelmsford: Chelmsford A. I. Emerson 4 1904-9-5
A: 00709727 Crataegus submollis Sargent USA: Massachusetts Chelmsford: Chelmsford A. I. Emerson 7 1904-9-10