Table 1. Statistics for Volumes 19–21 of Flora of North America.

Tribe	Total Genera	Total Species	Endemic Genera	Endemic Species	Introduced Genera	Introduced Species	Conservation Taxa
Volume 19
Mutisieae	7	14	1	4	0	0	0
Cynareae	17	116	0	48	14	50	30
Arctotideae	3	4	0	0	3	4	0
Vernonieae	6	25	1	18	2	2	0
Cichorieae	49	229	7	112	21	64	22
Calenduleae	4	7	0	0	4	7	0
Gnaphalieae	19	111	1	50	5	17	5
Inuleae	3	5	0	0	3	5	0
Plucheeae	3	12	0	3	0	3	0
Anthemideae	26	99	1	37	17	38	4
Volume 20
Astereae	77	719	33	561	1	5	175
Senecioneae	29	167	8	117	6	20	43
Volume 21
Heliantheae	148	746	40	470	6	22	131
Eupatorieae	27	159	5	98	0	3	16
Total for Asteraceae	418	2413	97	1518	82	240	426

Italic = introduced