Interspecific competition in germination of bird-dispersed seeds in a habitat with sparse tree vegetation in South Africa

Botanical Studies

Table 1 Seed viability (%) of different tree/shrub species that were included in the germination trials in this study

Species	Family	Seed viability %	Study area/country	Natural/ treated seeds	Source
Ziziphus mucronata	Rhamnaceae	71–100%	South Africa	Natural	Weiersbye and Witkowski, 2002
Olea europaea subsp. africana	Oleaceae	32–39%	South Africa	Natural	Mokotjomela et al. (2021)
**Grewia flava (c. G. occidentalis)	Malvaceae	29%	South Africa	Natural	Weiersbye and Witkowski, 2002
Ehretia rigida	Boraginaceae	8–45%	South Africa	Natural but sterilised	Wilman et al., 2014
Searsia lancea	Anacardiaceae	40–76%	South Africa	Natural	Weiersbye and Witkowski, 2002

Seed treatment and source of information are provided (** viability of another Grewia species was used)