]> [author note: MO: ethnobotany, Portulacaceae] [collector note: British Columbia: GH, US; Mackenzie, NW Territories: C, DAO (1000); MO. Cytology, medical uses of plants, allergenic plants] Example of Name Published: Arcytophyllum laricifolium (Cav.) W.H.Lewis, Ann. Missouri Bot. Gard. 53: 110. 1966 Botany Lewis, Walter Hepworth Lewis, Walter Hepworth W. Hepw. Lewis W.H.Lewis W. H. Lewis Lewis, Walter Hepworth et alia Walter Hepworth Lewis 1930 2020