| GA20 | Link to full reference | ||
| Abelmoschus esculentus | immature seed | Koshioka et al. (1996) | |
| Agrostemma githago | shoots | Jones, Zeevaart (1980) | |
| Allium cepa | leaves | Nojiri et al. (1993) | |
| Alnus tenuiflolia | vegetative buds | Zanewich, Rood (1994) | |
| Alstroemeria hybrida | leaves | Kappers et al. (1997) | |
| Anemia phyllitidis | sporophytes | Oyama et al. (1996b) | |
| Arabidopsis thaliana | shoots | Talon et al. (1990b) | |
| Aralia cordata | basal buds | Nishijima et al. (1993) | |
| Begonia x cheimantha | leaves | Oden, Heide (1988) | |
| Betula pendula | vegetative buds | Zanewich, Rood (1994) | |
| Brassica napus | stems | Rood et al. (1987) | |
| mature siliques | Zanewich, Rood (1993) | ||
| Bryophyllum daigremontianum | shoot tips and | Link to full reference | |
| upper leaves | Gaskin et al. (1973) | ||
| Camellia sinensis | endosperm | Koshioka et al. (1993) | |
| leaves, xylem sap | Oyama et al. (1999) | ||
| Carthamus tinctorius | stems | Potter et al. (1993) | |
| Cibotium glaucum | sporophytes | Yamane et al. (1988a) | |
| Citrus reticulata | developing fruit | Talon et al. (1992) | |
| Citrus sinensis | shoots | Poling, Maier (1988) | |
| reproductve buds, | |||
| ovaries, shoots, fruit | Talon et al. (1990a) | ||
| fruitlets | Poling (1991) | ||
| seeds, leaves | Turnbull (1989) | ||
| Citrus unshiu | young fruit | Goto et al. (1989) | |
| Cucumis melo | seeds | Edelstein et al. (1995) | |
| Link to full reference | |||
| Dalbergia dolichopetela | germinating seed | Moritz, Montiero (1994) | |
| Dendranthema grandiflorum | stem tips | Nishijima et al. (1997) | |
| Dioscorea opposita | dormant bulbils | Tanno et al. (1992) | |
| Eriobotrya japonica | seed, pericarp | Koshioka et al. (1988) | |
| Eucalyptus globulus | cambial region tissue, | ||
| Eucalyptus nitens | apical buds | Hasan et al. (1994) | |
| Eustoma grandiflorum | shoots + floral buds | Hisamatsu et al. (1998b) | |
| Fragaria x ananasa Duch. | leaves | Taylor et al. (1994) | |
| Gentiana triflora | stems and leaves | Koshioka et al. (1998) | |
| Link to full reference | |||
| Helianthus annuus | seeds | Hutchison et al. (1988) | |
| Hordeum vulgare | developing | ||
| and germinating grain | Gaskin et al. (1984) | ||
| leaf sheaths | Croker et al. (1990) | ||
| shoots | Boother et al. (1991) | ||
| Ipomoea batatas | seeds | Matsuo et al. (1984) | |
| Ipomoea reptans | seeds | Matsuo et al. (1984) | |
| Juglans regia | pollinated ovaries | Tadeo et al. (1994) | |
| unpollinated ovaries | Tadeo et al. (1994) | ||
| Link to full reference | |||
| Lactuca sativa | shoots | Waycott et al. (1991) | |
| seeds | Toyomasu et al. (1993) | ||
| Lathyrus odoratus | shoots | Ross et al. (1990) | |
| Leucaena leucocephala | immature seed | Arigayo et al. (1983) | |
| Lycopersicon esculentum | seeds, pericarp | Bohner et al. (1988) | |
| pollinated fruit | Koshioka et al. (1994) | ||
| parthenocarpic fruit | Koshioka et al. (1994) | ||
| eaves + shoot tips | Grunzweig et al. (1997) | ||
| Lygodium circinnatum | prothallia | Yamauchi et al. (1996) | |
| (as Me ester) | |||
| Malus domestica | shoot tips | Koshioka et al. (1985) | |
| immature seeds | Hedden et al. (1993) | ||
| Matthiola incana | shoots + flower buds | Hisamatsu et al. (1998a) | |
| Orobanche minor | arial parts | Suzuki et al. (1994) | |
| Oryza sativa | immature seeds, ears | Kobayashi et al. (1984) | |
| spikelets | Kobayashi et al. (1988) | ||
| Link to full reference | |||
| Pennesitum glaucum | shoots | Devi et al. (1984) | |
| Pharbitis nil | immature seeds | Murofushi et al. (1968) | |
| Pharbitis purpurea | immature seeds | Fujisawa et al. (1985) | |
| Phaseolus coccineus | immature seeds | Durley et al. (1971) | |
| light-grown seedlings | Bowen et al. (1973) | ||
| embryo and testa | Albone et al. (1984) | ||
| Phaseolus lunatus | stems, root nodules | Dobert et al. (1992a) | |
| Phaseolus vulgaris | immature seeds | Yamane et al. (1977) | |
| Phyllostachys bambusoides | shoots | Yanagisawa et al. (1992) | |
| Phyllostachys edulis | shoots | Yanagisawa et al. (1992) | |
| Picea abies | shoots | Oden (1995) | |
| Pinus sylvestris | stems | Wang et al. (1996) | |
| Pisum sativum | immature seeds | Eeuwens et al. (1973) | |
| cotyledons, embryonic | |||
| axes and testa | Sponsel (1983) | ||
| shoot apices | Ingram et al. (1983) | ||
| dark-grown seedlings | Gaskin et al. (1985) | ||
| pods, seeds, | Link to full reference | ||
| parthenocarpic ovaries | Garcia-Martinez et al. (1987a) | ||
| pollinated ovaries | Garcia-Martinez et al. (1987a) | ||
| Pithecellobum microcarpum | immature seeds | Koshioka et al. (1986) | |
| Populus tremuloides | vegetative buds | Zanewich, Rood (1994) | |
| Prunus cerasus | immature seeds | Nakayama et al. (1996) | |
| Prunus spachiana | shoots | Kobayashi et al. (1996) | |
| Raphanus sativus | leaves, stems | Nakayama et al. (1995) | |
| mature seeds | Nakayama et al. (1990) | ||
| Rumex acetosa | shoots | Rijinders et al. (1997) | |
| Rumex palustris | shoots | Rijinders et al. (1997) | |
| Saccharum spp | leaves, apices | Kuhnle et al. (1983) | |
| Salix pentandra | shoots | Davies et al. (1985) | |
| Sasa kurilensis | shoots | Yanagisawa et al. (1992) | |
| Secale cereale | immature ears | Dathe et al. (1989) | |
| Silene armeria | shoots | Talon, Zeevaart (1990) | |
| Solanum tuberosum | immature berries | Jones et al. (1988) | |
| Sorghum bicolor | shoots cylinders | Rood et al. (1986) | |
| Spinacia oleracea | shoots | Metzger, Zeevaart (1980a) | |
| Stevia rebaudiana | stems + leaves | Alves, Ruddat (1979) | |
| Link to full reference | |||
| Thlapsi arvense | shoots | Metzger, Mardaus (1986) | |
| Trifolium repens | arial parts | Suzuki et al. (1994) | |
| Triticum aestivum | developing grain | Gaskin et al. (1980) | |
| shoots | Appleford, Lenton (1991) | ||
| mature grain | Lenton et al. (1994) | ||
| expanding internodes, | |||
| young ear | Webb et al. (1998) | ||
| Vicia faba | immature seeds | Sponsel et al. (1979) | |
| Vigna unguiculata | leaves,petioles, | ||
| and epicotyls | Garcia-Martinez et al. (1987b) | ||
| stems, root nodules | Dobert et al. (1992b) | ||
| hypocotyls | Okamoto et al. (1995) | ||
| Link to full reference | |||
| Zea mays | young tassels | Heupel et al. (1985) | |
| shoots | Fujioka et al. (1988a) | ||
| pollen | Yamaguchi et al. (1990) | ||
| immature seeds | Murofushi et al. (1991) | ||
| callus ex embryo | Talo et al. (1995) |