Pollen flow between flowers of the same morph in invasive populations of Oxalis pes-caprae L. in the Western Mediterranean region

Joana Costa1 *, Victoria Ferrero1,2, Mariana Castro1, Andreia Jorge1, Ana Afonso1, João Loureiro1, Sílvia Castro1

1 CFE, Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, P.O. Box 3046, 3001-401 Coimbra, Portugal, 2 Department of Plant Biology and Soil Sciences, Faculty of Biology, University of Vigo, As Lagoas-Marcosende, 36310 Vigo, Spain

Short title: Intramorph pollination in the invasive O. pes-caprae

*Corresponding author: Joana Costa,

Supplemental File I. Number of interactions of Oxalis pes-caprae floral visitors in the three populations studied.

Population
Floral visitors / Floral reward / Coimbra / Alto da Praia Grande / Cortegaça
Order Coleoptera / P / 8 (0.6)
Order Diptera
Episyrphus balteatus (Syrphidae) / P / 15(1.2)
Scaeva sp. (Syrphidae) / P / 4 (0.3)
Eupeodes sp. (Syrphidae) / P / 72 (5.7)
Unknown (Syrphidae) / P / 78 (2.7) / 10 (7.5) / 11 (0.9)
Order Hymenoptera
Anthophora sp. (Anthophoridae) / N / 852 (29.7) / 9 (6.7)
Andrena sp. (Andrenidae) / N/P / 59 (4.7)
Apis mellifera (Apidae) / N/P / 934 (32.6) / 1 (0.7) / 27 (2.1)
Bombus sp. (Apidae) / N/P / 34 (2.7)
Bombus pascuorum (Apidae) / N/P / 15 (11.2) / 14 (1.1)
Bombus terrestris (Apidae) / N/P / 538 (18.8) / 99 (73.9) / 258 (20.5)
Psithyrus sp. (Apidae) / N / 32 (1.1) / 745 (59.1)
Xylocopa violacea (Xylocopidae) / N / 414 (14.5)
Order Lepidoptera
Macroglossum stellatarum (Sphingidae) / N / 5 (0.2)
Pieris brassicae (Pieridae) / N / 12 (1.0)
Pieris rapae (Pieridae) / N / 12 (0.4) / 5 (0.4)
Total no. of visits / 2865 / 134 / 1260

Floral rewards: P, pollen and N, nectar. Values are given as total number of flowers visited followed by the percentage of the total floral interactions in parentheses (%).