Table 2.

Stage of reproductive development of the investigated species at the time of sampling.

Reproductive stage	Definition of reproductive stages (sampling periods are indicated in brackets)
	C. vulgaris	E. hermaphroditum	L. procumbens
Bud stage	Corolla visible until shortly before flower opening (13.–31.8.12, 6.–20.8.13)	Overwintering bud before bud burst (24.9.–10.10.12, 9.10.13)	Budburst until shortly before flower opening (12.6.–13.6.12, 17.10.12, 28.5.–11.6.13, 8.10.13)
Anthesis	(22.8.–5.9.12, 27.8.–3.9.13)	(29.5.13)	(18.–20.6.12)
Fruit stage	Early stages till fruit and seed maturation (12.9.–11.10.12, 17.9.–7.10.13)	Mature fruits (19.9.13)	Early stages till fruit maturation (28.6.–8.8.12, 11.7.–18.9.13)