1	"Florets usually all bisexual, mostly red, violet or blue, rarely yellow; inner florets deeply lobed; anthers usually with a long-pointed terminal appendage and a pair of caudate basal appendages; stigmatic area covering inner surface of style branches, style branches usually long, lacking a terminal appendage (Cichorioideae)"	2
1	"Outer and inner florets usually of different sex, mostly yellow; inner florets shallowly lobed; anthers usually with a short, rounded terminal appendage and lacking basal appendages; stigma surface arranged in 2 rows along margins of style-branches (except in a few Heliantheae), style branches usually short, often with a sterile terminal appendage (Asteroideae)"	7
2	"All florets with a ligule; sap usually milky and abundant"	"Asteraceae - Group 3"
2	"At least the inner florets without a ligule (except in ‘doubles’); sap usually not milky, if so then not abundant"	3
3	"Plant usually a spiny herb with divided leaves; capitula mostly diskoid, often with red, pink, purple, violet or blue, 5-lobed florets; style with a ring of hairs below the branches (sometimes on lower part of branches in Echinops) (thistles)"	"Asteraceae - Group 2"
3	"Combination of features not as above"	4
4	"Florets 2-lipped, 5-lobed; outer florets ligulate"	"Asteraceae - Group 1"
4	"Florets not 2-lipped; outer florets tubular or ligulate"	5
5	"Capitula diskoid, few-flowered, unisexual, 2 types present, each on different plants; florets white, either functionally female (fertile) or functionally male (sterile); leaves crowded, entire, sessile; involucre cylindrical with 4 or 5 rows of bracts; pappus of bristles"	Cratystylis
5	"Combination of features not as above"	6
6	"Florets all bisexual; outer florets tubular (ligulate in Stokesia); pappus usually of long bristles (scales in Stokesia)"	"Asteraceae - Group 4"
6	"Florets of different sex; outer florets ligulate, female; inner florets bisexual or male; pappus of scales or absent"	"Asteraceae - Group 5"
7	"Plants usually very aromatic; leaves toothed or divided; pappus of scales, a crown or absent"	"Asteraceae - Group 11"
7	"Combination of features not as above"	8
8	"Involucral bracts usually in a single equal row; pappus of bristles, rarely absent"	"Asteraceae - Group 12"
8	"Involucral bracts not as above; pappus various, sometimes absent"	9
9	"Outer florets tubular or filiform, lacking a prominent ligule"	10
9	"Outer florets usually with a prominent ligule"	12
10	"Style branches with long, linear, usually coloured, sterile terminal appendages; leaves mostly opposite"	"Asteraceae - Group 15"
10	"Style branches not as above; leaves mostly alternate"	11
11	"Style with hairs below branches; leaves entire, toothed or divided"	"Asteraceae - Group 7"
11	"Style glabrous; leaves entire"	"Asteraceae - Group 8"
12	"Achenes often polymorphic within a single capitulum; pappus absent"	"Asteraceae - Group 9"
12	"Achenes not polymorphic; pappus usually present"	13
13	"Leaves mostly opposite, at least on lower stems"	14
13	"Leaves mostly alternate or rosetted, rarely opposite"	15
14	"Receptacle with scales; leaves mostly entire"	"Asteraceae - Group 14"
14	"Receptacle naked (except in Helenium); leaves entire, toothed or divided"	"Asteraceae - Group 13"
15	"Style branches without sterile appendages; stigmatic areas joined at apex of style branches; anthers caudate, often with branched tails; ray florets with a well-developed, usually white or yellow ligule"	"Asteraceae - Group 6"
15	"Style branches with sterile appendages; stigmatic areas discrete; anthers not caudate (except shortly so in Olearia and Celmisia); ray florets often numerous, with a slender, blue, purplish, pink, yellow or white ligule"	"Asteraceae - Group 10"