Harvard University Herbaria & Libraries

Aceraceae
NEBC: 00677109 Acer rubrum Linnaeus USA: Massachusetts Malden: Malden R. Frohock
Araceae
NEBC: 01081997 Calla palustris Linnaeus USA: Massachusetts Malden: Malden R. Frohock
NEBC: 00339819 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Malden: R. Frohock
Asteraceae
NEBC: 00566956 Achillea millefolium Linnaeus USA: Massachusetts Malden: Malden R. Frohock
NEBC: 01070029 Lactuca biennis (Moench) Fernald USA: Massachusetts Malden: Malden R. Frohock
Betulaceae
NEBC: 00354750 Betula alba populifolia (Marshall) Spach USA: Massachusetts Middlesex Fells [Reservation] R. Frohock
NEBC: 00354750 Betula populifolia Marshall USA: Massachusetts Middlesex Fells [Reservation] R. Frohock
Blechnaceae
NEBC: 00628254 Woodwardia areolata (Linnaeus) T. Moore USA: Massachusetts Malden: Malden R. Frohock
Boraginaceae
GH: 00655289 Echium vulgare Linnaeus USA: Massachusetts Somerville: Somerville R. Frohock
Brassicaceae
NEBC: 00606936 Hesperis matronalis Linnaeus USA: Massachusetts Malden: Malden R. Frohock
Caprifoliaceae
NEBC: 00633464 Lonicera sempervirens Linnaeus USA: Massachusetts Malden: Malden R. Frohock
NEBC: 00680251 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Medford: Medford R. Frohock
Ericaceae
NEBC: 00484707 Kalmia angustifolia Linnaeus USA: Massachusetts Malden: Malden R. Frohock
Poaceae
NEBC: 00737622 Dichanthelium acuminatum implicatum (Scribner) Freckmann & Lelong USA: Massachusetts Malden: Malden R. Frohock
Primulaceae
NEBC: 00502711 Lysimachia hybrida Michaux USA: Massachusetts Malden: Malden R. Frohock
Ranunculaceae
NEBC: 01013286 Hepatica americana (de Candolle) Ker Gawler USA: Massachusetts Melrose: Melrose R. Frohock
NEBC: 00697618 Thalictrum amphibolum Greene USA: Massachusetts Malden: Malden R. Frohock
Smilacaceae
NEBC: 00338100 Smilax rotundifolia Linnaeus USA: Massachusetts Middlesex Fells [Reservation] R. Frohock
Solanaceae
NEBC: 00576176 Datura stramonium Linnaeus USA: Massachusetts Malden: Malden R. Frohock