University of Alberta (UAPC-ALTA), Edmonton, Canada

Holotype P13330C top for Escapia christensenioides G.W.Rothwell, Millay et Stockey

Holotype UAPC-ALTA P13311 I (slides I top series d) for Tricarinella crassiphylla Savoretti, Bippus, Stockey, G.W.Rothwell et Tomescu

Holotype P14604 B top for Obamacarpa edenensis B.A.Atk., Stockey et G.W.Rothwell

Holotype UAPC-ALTA S11,306 for Ricciopsis speirsiae G.L.Hoffman et Stockey

Holotype UAPC-ALTA S55138 for Cardstonia tolmanii M.Riley et Stockey

Holotype P 3678 for Allenbya collinsonae Cev.-Ferriz et Stockey

Holotype UAPC-ALTA S43,255A, B for Bognerospadix speirsiae Stockey, G.L.Hoffman et G.W.Rothwell

Holotype P13021 Hbot b for Cyathea cranhamii S.Y.Sm., G.W.Rothwell et Stockey

Holotype UAPC-ALTA S40,492 for Petalophyllites speirsiae G.L.Hoffman et Crand.-Stotl.