Supplementary Material 4 - Table 1

Supplementary Material 4. Table 1. C4 and CAM families. Families in which C4 (Osmond et al. 1980; Sage 2004) or CAM photosynthesis (Kluge and Ting 1978; Zotz et al. 1997; Crayn et al. 2001; Reinert and Blankenship 2010) has been reported; in parentheses genera in which both C3 and C4 metabolism occur.

Acanthaceae, Aizoaceae (Mollugo), Amaranthaceae (Alternanthera), Asteraceae (Flaveria), Boraginaceae (Heliotropium), Capparidaceae, Caryophyllaceae, Chenopodiaceae (Atriplex, Bassia, Kochia, Suaeda), Cyperaceae (Cyperus, Scirpus), Euphorbiaceae, (Euphorbia), Gisekiaceae, Hydrocharitaceae, Molluginaceae, Nyctaginaceae (Boerhavia), Poaceae (Alloteropsis, Panicum), Polygonaceae, Portulacaceae, Scrophulariaceae, Zygophyllaceae (Kalistromia, Zygophyllum). Agavaceae, Aizoaceae, Aloaceae, Amarylllidaceae, Araceae, Asclepidiaceae, Asteraceae, Bromeliaceae, Bromeliaceae, Cactaceae, Clusiaceae, Commelinaceae, Crassulaceae, Cucurbitaceae, Cycadaceae, Didieraceae, Didieraceae, Dracaenaceae, Euphorbiaceae, Geraniaceae, Gesneriaceae, Isoetaceae, Lamiaceae, Lamiaceae, Liliacea, Orchidaceae (photosynthetic roots), Oxalidaceae, Piperaceae, Piperaceae, Plantaginaceae, Polypodiaceae, Portulacaceae, Rapataceae, Rubiaceae, Salvadoraceae, Vitaceae, Vittariaceae, Welwitschiaceae.

Table 1. References
Crayne DM, Smith JAC, Winter K (2001) Carbon-isotope ratios and photosynthetic pathways in the neotropical family Rapateaceae. Plant Biology 3, 569-576.

Kluge M, Ting IP (1978) 'Crassulacean acid metabolism. Analysis of an ecological adaptation'. (Springer: Berlin).

Osmond CB; Björkman O, Anderson DJ (1980) ‘Physiological processes in plant ecology. Ecological studies 36.’ (Springer-Verlag:Berlin).

Reinert F, Blankenship RE (2010) Evolutionary aspects of crassulacean acid metabolism. Oecologia Australis 14, 359-368.

Sage RF (2004) The evolution of C4 photosynthesis. New Phytologist 161, 341-370.

Zotz G, Patino S, Tyree MT (1997) CO2 gas exchange and the occurrence of CAM in tropical woody hemiepiphytes. Flora 192, 143-150.