Table 4.

Overview of utilized image datasets

Organ	Dataset		Studies	$\sum$
Leaf	Own dataset	Self-collected (imaged in lab)	[1, 5–8, 10, 11, 14, 15, 17, 26–28, 36–40, 53, 54, 56, 65–67, 72, 78, 79, 82, 89, 102, 114, 115, 118, 122, 130, 132, 134, 137, 138, 141, 144, 150, 154, 155, 158, 159]	46
		Web	[74, 138]	2
	Existing dataset	ImageCLEF11/ImageCLEF12	[4, 18–22, 85, 87, 91–94, 97–99, 119, 120, 135, 146, 148]	20
		Swedish leaf	[25, 62, 94, 119–121, 134–136, 145, 147, 158]	12
		ICL	[1, 62, 121, 135, 136, 139, 140, 145, 147, 156–158]	12
		Flavia	[1, 5, 16, 23, 24, 48, 58, 59, 73, 77, 81, 92, 94, 103, 111, 116, 120, 140, 144]	19
		Leafsnap	[56, 73, 96, 119, 120, 158]	6
		FCA	[48]	1
		Korea Plant Picture Book	[107, 108]	2
		Middle European Woody Plants (MEW)	[106]	1
		Southern China Botanical Garden	[143]	1
		Tela Database	[96]	1
	[No information]		[31, 32, 42, 45, 76, 110]	6
Flower	Own dataset	Self-collected (imaged in field)	[57]	1
		Self-collected (imaged in field) + web	[3, 29, 60, 104, 105, 112]	6
	Existing dataset	Oxford 17, Oxford 102	[117, 149]	3
	[No information]		[30, 64, 128, 129]	4
Flower, leaf, bark, fruit, full plant	Existing dataset	Social image collection	[68]	1