TABLE 1.

Overview on the datasets used in this study with the number of tree point clouds per species, reference to the original studies for more detail and the scan devices used.

Species	Number of trees	Original study	Scanner
Beech	163	Seidel et al., 2019	Z + F
		Metz et al., 2013	Z + F
		Seidel et al., 2011	Z + F
		+unpublished data1	Faro
Red oak	100	Burkardt et al., 2019	Faro
Ash	39	Seidel et al., 2011	Z + F
		Metz et al., 2013	Z + F
		Seidel et al., 2019	Z + F
Oak	22	unpublished data2	Faro
Douglas Fir	183	Seidel et al., 2016	Faro
		+unpublished data1	Faro
Spruce	158	Metz et al., 2013	Z + F
		+unpublished data1	Faro
Pine	25	Metz et al., 2013	Z + F
		+Unpublished data1	Faro
Total	690

¹Data from research sites of the Research Training Group 2300 (https://www.uni-goettingen.de/en/574316.html). ²Data from the DE5 research site introduced in Pretzsch et al., 2020.