1	"Creeping plants, rooting at the nodes"	2
1	"Prostrate to erect plants, not rooting at the nodes"	3
2	"Leaves orbicular to reniform, on long petioles (Centella asiatica)"	Centella
2	"Leaves linear, sessile (Lilaeopsis brisbanica)"	Lilaeopsis
3	"Stems and leaves at least sparsely hairy"	4
3	"Stems and leaves glabrous"	8
4	"Leaves bipinnate"	5
4	"Leaves simple or 3-foliolate, entire to deeply lobed"	6
5	"Fruits of 2 types, the inner tuberculate, the outer with at least one mericarp long-bristly or spinose (Torilis nodosa)"	Torilis
5	"Fruits all with the same hairs or spines"	Daucus
6	"Flowers densely clustered on a capitulum, surrounded by white petal-like bracts"	Actinotus
6	"Flowers not clustered on a capitulum; bracts green, not petal-like"	7
7	"Leaves entire, with short simple hairs only; flowers and fruits glabrous"	Platysace
7	"Leaves/leaflets lobed, hairs a mixture of stellate, dendritic and simple hairs; flowers and fruits at least sparsely hairy"	Xanthosia
8	"Bracts spinose; inflorescence a dense cylindrical to hemispherical head; fruits covered by white vesicular scales"	Eryngium
8	"Bracts innocuous or absent; inflorescence a compound umbel; fruits without vesicular scales"	9
9	"Terminal umbels lacking bracteoles"	10
9	"Terminal umbels with obvious bracteoles"	12
10	"Leaves with oblanceolate to broadly-ovate segments"	Apium
10	"Leaves with filiform or linear segments"	11
11	"Plant to 2 m high, aniseed-scented; petals yellow; fruits 4-6 mm long (Foeniculum vulgare)"	Foeniculum
11	"Plant to 60cm high, unscented; petals white; fruits 1.5-2.5 mm long (Cyclospermum leptophyllum)"	Cyclospermum
12	"Calyx lobes at least 0.4 mm long"	13
12	"Calyx lobes absent or less than 0.4 mm long"	15
13	"Leaves palmate; perennial shrubs"	Mackinlaya
13	"Leaves bipinnate; annual or biennial herbs"	14
14	"Plant not associated with water; outer petals enlarged; fruits globose (Coniandrum sativum)"	Coriandrum
14	"Aquatic plant; all petals the same size; fruits ellipsoidal, about twice as long as wide (Oenanthe javanica)"	Oenanthe
15	"Semi-aquatic plants with once-pinnate leaves (Berula erecta)"	Berula
15	"Terrestrial plants, leaves not once-pinnate"	16
16	"Leaves simple, entire; native species"	Platysace
16	"Leaves compound, leaflets toothed; naturalised species"	17
17	"Leaves trifoliolate; terminal umbels 2-3-flowered; fruits 5-6 mm long (Cryptotaenia canadensis)"	Cryptotaenia
17	"Leaves bipinnate or bipinnatisect; terminal umbels 12-25-flowered; mature fruits 1.5-4 mm long"	18
18	"Compound umbel with 11-17 rays; bracteoles broad, usually fused at base, forming a complete or partial disc at the base of the terminal umbels; mature fruits 3-4 mm long (Conium maculatum)"	Conium
18	"Compound umbel with 20-43 rays; bracteoles slender, all free; mature fruits 1.5-2.5 mm long (Ammi majus)"	Ammi