1	"Mature leaves modified into phyllodes (either flat, spiny or needle-like) or absent"	2
1	"Mature leaves bipinnate"	138
2	"Flowers in globular (rarely obloid) heads"	3
2	"Flowers in cylindric spikes"	121
3	"Phyllodes with more than 1 main vein or veins obscure"	4
3	"Phyllodes with 1 main vein per face (if 4 (or 5)-angled in cross-section then 4 (or 5)-veined overall)"	42
4	"Flower heads in a raceme"	5
4	"Flower heads on axillary peduncles or at least appearing so (rachis not more than 1 mm long)"	19
5	"Phyllodes not triangular, more than 2 cm long"	6
5	"Phyllodes triangular, less than 2 cm long"	18
6	"Phyllodes pinnately veined with 2 main longitudinal veins (in A. difformis one is weaker and merges with the upper margin)"	7
6	"Phyllodes with longitudinal veins, with or without anastomosing veins between them"	8
7	"Flower heads in raceme with rachis 10–60 mm long; phyllodes dull, apex obtuse"	"Acacia difformis"
7	"Flower heads on axillary peduncles or in short raceme with rachis to 3 mm long; phyllodes often shiny, apex acute to mucronate"	"Acacia verniciflua"
8	"Phyllodes less than 5 (rarely to 10) mm wide, more than 25 times as long as wide (or if slightly stouter then always less than 4 mm wide)"	9
8	"Phyllodes more than 4 mm wide, less than 25 times as long as wide"	10
9	"Phyllodes less than 14 cm long"	"Acacia elongata"
9	"Phyllodes more than 14 cm long; Murray River floodplain in north-west"	"Acacia stenophylla"
10	"Phyllodes with anastomosing veins"	11
10	"Phyllodes with non-anastomosing veins or veins obscure"	16
11	"Phyllodes 3–11 cm long, 3–11 mm wide; peduncles 1–5 mm long (inflorescence spike-like)"	12
11	"Phyllodes 4–20 cm long, 6–50 mm wide; peduncles 4.5–16 mm long"	13
12	"Phyllodes linear; branchlets minutely pubescent between ridges only; north-east and far east Victoria"	"Acacia dawsonii"
12	"Phyllodes obovate to oblanceolate; branchlets minutely pubescent on and between ridges; north-west Victoria"	"Acacia trineura"
13	"Peduncles white pubescent; funicle in 3 loops over apex of seed; phyllodes more than 15 mm wide"	"Acacia frigescens"
13	"Peduncles glabrous or with resin cells and sometimes scattered hairs; funicle, if restricted to apex of seed, looped only 1 or 2 times; phyllodes less than 25 mm wide"	14
14	"Funicle white, looped 1 or 2 times around apex of seed; flowering Dec.-Mar.; leaves usually falcate, mostly broadest near or below centre"	"Acacia implexa"
14	"Funicle red, looped twice around entire seed; flowering mostly Aug.-Oct.; leaves straight to slightly curved, rarely strongly falcate, usually broadest near or above centre"	15
15	"Phyllodes 4–12 mm wide, lateral veins somewhat obscure; peduncles glabrous; coastal only"	"Acacia cyclops"
15	"Phyllodes 6–25 wide, lateral veins prominent; peduncles scurfy with resin cells and sometimes hairs"	"Acacia melanoxylon"
16	"Pods less than 8 mm wide, seed longitudinal; phyllodes glabrous or with a few minute hairs towards base; flower heads 5–8 mm diam"	"Acacia homalophylla"
16	"Pods more than 6 mm wide, seed transverse; phyllodes covered with minute hairs (difficult to see even with hand lens); flower heads up to 5 mm diam"	17
17	"Pod thin and almost papery, not winged; flowers 25–50 per head; phyllodes usually rigid, always with spaces between hairs"	"Acacia melvillei"
17	"Pod thick and almost woody, margin with 2–3 mm wing; flowers 12–25 per head; phyllodes usually flexible, with dense cover of hairs"	"Acacia pendula"
18	"Shrubs to 8 m high; phyllodes 6–20 mm long; pods formed; widespread in north-eastern Victoria"	"Acacia pravissima"
18	"Small root-suckering shrubs to c. 1 m high; phyllodes 3–8 mm long; pods not formed; Wulgulmerang area"	"Acacia nanopravissima"
19	"Phyllodes in whorls or fascicles"	"Acacia verticillata"
19	"Phyllodes alternate"	20
20	"Phyllodes flattened, with anastomosing veins"	21
20	"Phyllodes flattened or terete, with non-anastomosing veins"	33
21	"Phyllodes usually pungent; pods covered in minute or long hairs"	22
21	"Phyllodes not pungent (but may have a hardened mucro); pods glabrous, or if hairy then phyllodes with obtuse or beak-shaped apex"	23
22	"Flower heads bright yellow, with 20–30 flowers per head; peduncles 2–9 mm long"	"Acacia lanigera"
22	"Flower heads pale yellow, with 8–15 flowers per head; peduncles less than 1 mm long"	"Acacia oswaldii"
23	"Phyllodes dotted with oil glands (resinous-punctate)"	24
23	"Phyllodes not dotted with oil glands, but sometimes viscid"	28
24	"Phyllodes with 2–5 main veins; flowers pale lemon-yellow, 10–25 per head; East Gippsland only"	25
24	"Phyllodes with 2 main veins; flowers creamy-yellow to golden, 20–60 per head; widespread"	26
25	"Phyllodes less than 4 mm wide; heads with 10–17 flowers"	"Acacia cognata"
25	"Phyllodes 4–11 mm wide; heads with 20–25 flowers"	"Acacia subporosa"
26	"Branchlets usually glabrous, with broad, pale yellowish ribs (sometimes only slightly raised) with thick resin in the space between them"	"Acacia verniciflua"
26	"Branchlets with pubescent ribs or if glabrous lacking thick layer of dark resin between ribs"	27
27	"Phyllodes usually more than 50 mm long and 13 mm wide; apex acute or subacute, mucro centrally positioned; pods glabrous or sparsely hairy; widespread"	"Acacia leprosa"
27	"Phyllodes usually less than 50 mm long and 13 mm wide, apex obtuse or subacute, beak-shaped, the mucro not centrally positioned; pods densely hairy, at least when young; Bacchus Marsh area"	"Acacia rostriformis"
28	"Peduncles densely tomentose; south-west Victoria only"	"Acacia exudans"
28	"Peduncles glabrous or pubescent"	29
29	"Branchlets viscid"	"Acacia montana"
29	"Branchlets not viscid"	30
30	"Inflorescence cylindric to obloid, up to 15 mm long; alpine and subalpine areas"	"Acacia alpina"
30	"Inflorescence globular, c. 3–4 mm diam (up to 10 mm diam in A. elongata)"	31
31	"Heads 5–10 mm diam., c. 20–40-flowered; phyllodes usually linear, 5–17 cm long"	"Acacia elongata"
31	"Heads less than 5 mm diam., up to 20-flowered; phyllodes usually less than 7 cm long, variable in shape"	32
32	"Phyllodes oblanceolate, 2–7 cm long, branchlets mostly glabrous (with minute hairs only at nodes); western Victoria"	"Acacia farinosa"
32	"Phyllodes elliptic to lanceolate, less than 3 cm long, branchlets with pubescent ribs; eastern Victoria"	"Acacia howittii"
33	"Phyllodes 3–14 cm long, not pungent, narrow-linear to needle-like"	34
33	"Phyllodes 1–5 cm long, if not pungent then either sigmoid or flattened and stiff"	37
34	"Branchlets glabrous; phyllodes glabrous, gland central"	"Acacia havilandiorum"
34	"Branchlets pubescent, usually minutely so; phyllodes usually minutely pubescent, gland basal"	35
35	"Branchlets white-tomentose, not or hardly ribbed; phyllodes and peduncles with subappressed hairs"	"Acacia cineramis"
35	"Branchelts ribbed, minutely hairy, the ribs usually glabrous; phyllodes and peduncles with minute appressed hairs"	36
36	"Branchlets without yellow ridges"	"Acacia loderi"
36	"Branchlet ridges yellowish"	"Acacia rigens"
37	"Phyllodes not pungent"	38
37	"Phyllodes pungent"	39
38	"Phyllodes linear-oblanceolate, straight or slightly curved; peduncles glabrous"	"Acacia sclerophylla"
38	"Phyllodes linear to oblong-elliptic, more or less sigmoid; peduncles minutely hairy"	"Acacia wilhelmiana"
39	"Phyllodes and branches roughened"	"Acacia enterocarpa"
39	"Phyllodes and branches not roughened"	40
40	"Phyllodes flat (sometimes thick, but not terete)"	"Acacia ancistrophylla"
40	"Phyllodes more or less terete or slightly compressed"	41
41	"Phyllodes with 8 strongly raised veins, gland on basal swelling"	"Acacia colletioides"
41	"Phyllodes with c. 20 hardly raised veins, gland 2–7 mm above pulvinus"	"Acacia nyssophylla"
42	"Flower heads on axillary peduncles or at least appearing so (rachis not more than 1 mm long)"	43
42	"Flower heads in a raceme"	74
43	"Phyllodes in whorls or fascicles"	"Acacia verticillata"
43	"Phyllodes alternate"	44
44	"Phyllodes 4-angled in cross-section or terete, pungent or with hardened mucro"	45
44	"Phyllodes flat, pungent or not (in A. euthycarpa the phyllodes may be terete but the tip is always non-pungent and curved)"	50
45	"Phyllodes 0.5–2.5 cm long, 0.5–1.5 mm wide; flowers 4- or 5-merous"	46
45	"Phyllodes 0.5–11 cm long, 1–3 mm wide; flowers 4-merous"	48
46	"At least some phyllodes reflexed; flowers 4-merous"	"Acacia aculeatissima"
46	"Phyllodes not reflexed; flowers 5-merous"	47
47	"Phyllodes not broadening at base (without 'gland-angle'), often distant; stipules usually less than 1 mm long, often deciduous; flowers golden"	"Acacia brownii"
47	"Phyllodes broader at base, often crowded; stipules usually more than 1 mm long, persistent; flowers creamy-yellow"	"Acacia ulicifolia"
48	"Branchlets and phyllodes viscid"	"Acacia rupicola"
48	"Branchlets and phyllodes not viscid"	49
49	"Phyllodes less than 4 cm long (rarely to 8 cm); widespread but not in Pine Mountain area"	"Acacia genistifolia"
49	"Phyllodes more than 4 cm long; restricted to Pine Mountain"	"Acacia phasmoides"
50	"Phyllodes pungent; north-eastern Victoria only"	"Acacia siculiformis"
50	"Phyllodes not pungent (but may have hardened mucro)"	51
51	"Branchlets spinescent"	52
51	"Branchlets not spinescent"	53
52	"Phyllodes always present; peduncles 5–15 mm long"	"Acacia acanthoclada"
52	"Phyllodes almost always absent; flower heads usually sessile (peduncles rarely to 6 mm long)"	"Acacia spinescens"
53	"Phyllodes with numerous, closely spaced lateral veins making small angle with midrib; smaller branchlets with prominent yellowish resin-ribs"	"Acacia stricta"
53	"Phyllodes with lateral veins obscure or sparse and diverging widely from midrib; branchlets with or without resin-ribs"	54
54	"Young branchlets and phyllodes viscid"	55
54	"Branchlets and phyllodes not viscid"	64
55	"Phyllodes 2–15 cm long (shorter in A. daviesii), dotted with glands"	56
55	"Phyllodes up to 3 cm long, not dotted with glands"	61
56	"Phyllodes broadly elliptic to circular, up to 1 cm long; plants suckering"	"Acacia daviesii"
56	"Phyllodes ± linear or oblong to narrowly elliptic, more than 2 cm long"	57
57	"Branchlet ribs tuberculate, phyllodes with surface roughened and 2 or 3 marginal glands"	"Acacia dodonaeifolia"
57	"Branchlet ribs not tuberculate, phyllodes with surface not roughened and 1 marginal gland"	58
58	"Smaller branchlets with raised resin-ribs, glabrous; peduncles densely tomentose"	"Acacia ausfeldii"
58	"Branchlets glabrous or hairy, viscid, resin sometimes forming thick bands between ribs; peduncles usually with minute appressed hair, rarely with lax long hairs"	59
59	"Branchlets usually glabrous, with broad, pale yellowish ribs (sometimes only slightly raised) with thick resin in the space between them"	"Acacia verniciflua"
59	"Branchlets with pubescent ribs or if glabrous lacking thick layer of dark resin between ribs"	60
60	"Peduncles with dense minute appressed hairs; gland 0–8 mm above pulvinus; bracteoles not exceeding buds"	"Acacia leprosa"
60	"Peduncles with long (c. 0.5 mm) lax, curved hairs; gland 0–0.5 mm above pulvinus; bracteoles exceeding young buds"	"Acacia stictophylla"
61	"Midrib more or less in middle of phyllode"	62
61	"Midrib close to one margin"	63
62	"Phyllodes more than 3 times as long as wide, covered in erect, stiff hairs (some glandular)"	"Acacia aspera"
62	"Phyllodes less than 2 times as long as wide, glabrous"	"Acacia glandulicarpa"
63	"Phyllodes kinked near base; brachlet ribs coated with a thick layer of resin"	"Acacia flexifolia"
63	"Phyllodes not kinked near base; branchlet ribs viscid but not coated with resin"	"Acacia lineata"
64	"Stipules spinescent, prominent, usually more than 5 mm long"	"Acacia paradoxa"
64	"Stipules insignificant or less than 5 mm long and not spinescent"	65
65	"Phyllodes more or less triangular in shape, with prominent expansion at gland"	"Acacia gunnii"
65	"Phyllodes linear, elliptic, ovate or obovate"	66
66	"Phyllodes more than 2.5 times as long as wide, 0.4–11 cm long"	67
66	"Phyllodes less than 2.5 times as long as wide, 1–3 cm long"	73
67	"Phyllodes covered in soft, woolly hairs; new growth and pods densely covered in rusty-brown, woolly hairs; Nunniong Plateau in far north-east"	"Acacia lucasii"
67	"Plant glabrous or with minute hairs (not woolly)"	68
68	"Phyllodes less than 2 cm long"	"Acacia acinacea"
68	"Phyllodes more than 2 cm long"	69
69	"Peduncles minutely hairy"	"Acacia ×grayana"
69	"Peduncles glabrous"	70
70	"Phyllodes flexible, 1–6 mm wide, apex usually tapering and always curved"	"Acacia euthycarpa"
70	"Phyllodes firm, 3–15 mm wide, apex mucronate or notched"	71
71	"Phyllodes obtuse, with apical gland"	"Acacia microcarpa"
71	"Phyllodes acute, without apical gland"	72
72	"Branchlets with minute appressed hairs; phyllodes usually straight, 3–7 cm long, 4–15 mm wide; heads with more than 35 flowers"	"Acacia halliana"
72	"Branchlets glabrous; phyllodes usually slightly curved, 1.5–5 cm long, 2–9 mm wide; heads with up to 35 flowers"	"Acacia simmonsiana"
73	"Stems with patent hairs or sometimes glabrous"	"Acacia brachybotrya"
73	"Stems with antrorsely appressted hairs; new growth often golden"	"Acacia dictyocarpa"
74	"Stipules spinescent"	"Acacia victoriae"
74	"Stipules absent or not spinescent"	75
75	"Phyllodes elliptic to linear, more than 1 cm long"	76
75	"Phyllodes more or less triangular, less than 1.5 cm long (rarely to 3 cm long)"	119
76	"Phyllodes filiform, 5-angled in section, 6–24 cm long, more than 60 times longer than wide"	"Acacia extensa"
76	"Phyllodes not as above"	77
77	"Phyllodes always on raised stem projections (phyllodes elliptic to oblanceolate, sometimes narrowly so, 2–10 cm long, 2–17 mm wide); eastern and northeastern Victoria only"	78
77	"Phyllodes rarely on raised stem projections"	80
78	"Phyllodes 5–17 mm wide, with 1–3 glands and vein-like margins; upper reaches of Snowy River in East Gippsland"	"Acacia amoena"
78	"Phyllodes 2–10 mm wide, with 1 gland and margins not thickened and veinlike"	79
79	"Branchlets minutely hairy; peduncles covered in white or yellow minute hairs; between Shepparton and Wangaratta, and near Wodonga"	"Acacia decora"
79	"Branchlets and usually peduncles glabrous; higher parts of Great Dividing Range in north-east Victoria"	"Acacia kettlewelliae"
80	"Branchlets acutely angled or flat, at least at extremities"	81
80	"Branchlets terete or ribbed, but not acutely angled (except sometimes near phyllode attachment)"	90
81	"Phyllodes obtuse, with a midrib and a second fainter longitudinal vein close to the upper margin"	"Acacia difformis"
81	"Phyllodes more or less acute or mucronate, with a single longitudinal vein"	82
82	"Young inflorescence not covered by overlapping bracts; sepals usually united; seeds longitudinal in pod"	83
82	"Young inflorescence covered by prominent overlapping bracts; sepals free; seeds transverse or longitudinal in pod"	89
83	"Phyllodes with pale, thickened margins; flowers 4-merous, 2–5 (–8) per head"	"Acacia myrtifolia"
83	"Phyllodes with margins not thickened; flowers 5-merous, 7–50 per head"	84
84	"Phyllodes with obscure gland; heads with 18–50 flowers"	85
84	"Phyllodes with prominent, often exserted gland; heads with 7–25(–30) flowers"	87
85	"Phyllodes 2.5–5.5 cm long; inflorescence rachis 1–5 mm long; north-western Victoria only"	"Acacia ×grayana"
85	"Phyllodes 3–22 cm long; inflorescence rachis 7–40 mm long"	86
86	"Phyllodes 7–22 cm long, often glaucous, apices straight or subuncinate; flowers usually 30–50 per head; usually inland"	"Acacia provincialis"
86	"Phyllodes 3–6.5 cm long, green, uncinate to subuncinate; flowers 18–30 per head; coastal"	"Acacia uncifolia"
87	"Phyllodes linear, 6–14 cm long, gland 10–60 mm above pulvinus; juvenile leaves often persisting on lower branches; heads usually 20–30-flowered"	"Acacia linearifolia"
87	"Phyllodes lanceolate, linear or narrowly elliptic, 3–6 cm long, gland 1–20 mm above pulvinus; juvenile leaves soon lost; heads 7–20-flowered"	88
88	"Phyllodes  5–12 mm wide, 4–9 times longer than wide; gland exserted, 5–20 mm above pulvinus"	"Acacia prominens"
88	"Phyllodes 2–5 mm wide, c. 10 times longer than wide; gland submerged and swollen within the lamina, 1–7 mm above pulvinus"	"Acacia fimbriata"
89	"Heads 3–10-flowered, on peduncles up to 5 mm long; seeds transverse in pod; branchlets distinctly angled"	"Acacia suaveolens"
89	"Heads 12–17-flowered, on peduncles 6–10 mm long; seeds longitudinal in pod; branchlets angled only at extremities"	"Acacia iteaphylla"
90	"Pods thick and woody; heads 15–25-flowered; phyllodes with 2–5 glands; mostly north-western Victoria and along Murray River"	91
90	"Pods not thick and woody"	94
91	"Phyllodes flaccid, pendulous; flowers cream; pods tough, not snapping easily"	"Acacia salicina"
91	"Phyllodes thick or moderately so, ascending, erect or patent; flowers golden; pods usually brittle and snapping readily between seeds"	92
92	"Branchlets usually red-brown, not ribbed; phyllodes 1–4 mm wide, usually obtuse with a small central mucro"	"Acacia cupularis"
92	"Branchlets light brown and distinctly yellow-ribbed; phyllodes 4–14 mm wide, uncinate or recurved-mucronate"	93
93	"Shrub or small tree, not forming dense thickets; phyllodes thick (with coarse wrinkles when dry), usually 3–7.5 cm long, lacking moderate cover of brown spots; glands usually 3"	"Acacia ligulata"
93	"Suckering shrub, often forming dense thickets; phyllodes thin to moderately thick (with fine wrinkles when dry), 5–11.5 cm long, usually with moderate cover of minute brown spots; glands 2"	"Acacia rostellifera"
94	"Branchlets, phyllodes and pods entirely covered in woolly, silky or spreading hairs"	95
94	"Phyllodes glabrous or rarely with scattered hairs, other parts glabrous or hairy"	97
95	"New growth pruinose, covered with moderate to dense cover of soft erect hair"	"Acacia podalyriifolia"
95	"New growth lacking waxy bloom, but appearing rusty or silvery-blue due to dense cover of silky appressed or woolly hairs"	96
96	"Phyllodes obtuse, silvery blue-grey due to silky cover of silvery white hairs; Murtoa area only, presumed extinct"	"Acacia argyrophylla"
96	"Phyllodes acute to obtuse-mucronate, grey-green and covered in rusty-brown or silvery-white, woolly hairs; Nunniong Plateau only"	"Acacia lucasii"
97	"Branchlets and peduncles densely hairy all over (if phyllodes 1–3 cm long and inflorescence rachis less than 5 mm long, branchlets and peduncles rarely glabrous)"	98
97	"Branchlets glabrous, sparsely hairy or hairy between glabrous ridges; peduncles glabrous or hairy; plants never with combination of phyllodes 1–3 cm long and inflorescence rachis less than 5 mm long"	100
98	"Phyllodes (1–) 2.5–5 cm long; inflorescence rachis 10–40 mm long; pod 10–20 mm wide, seeds oblique or transverse; Suggan Buggan-Gelantipy area in northern East Gippsland only"	"Acacia kybeanensis"
98	"Phyllodes 1–3 cm long; inflorescence rachis less than 5 mm long; pods 4–8 mm wide, seeds longitudinal; western and northern Victoria"	99
99	"Stems with patent hairs or sometimes glabrous"	"Acacia brachybotrya"
99	"Stems with antrorsely appressted hairs; new growth often golden"	"Acacia dictyocarpa"
100	"Phyllodes usually 3 cm or more long and otherwise not as above"	101
100	"Phyllodes up to 3 cm long, mostly elliptic, upper margin more or less straight"	118
101	"Branchlets with minute, appressed hairs confided to ridges (and glabrous between ridges) or the space between ridges (and then ridges glabrous)"	102
101	"Branchlets glabrous or rarely sparsely hairy all over"	103
102	"Phyllodes not dotted with glands; inflorescence rachis 5–25 mm long"	"Acacia dawsonii"
102	"Phyllodes dotted with glands; inflorescence rachis 2–4 mm long"	"Acacia leprosa"
103	"Branchlets with viscid ridges; inflorescence rachis never more than 5 mm long"	"Acacia dodonaeifolia"
103	"Branchlets terete or ridged but ridges not viscid"	104
104	"Phyllodes more than 5 mm wide (rarely some to 3 mm wide)"	105
104	"Phyllodes up to 5 mm wide"	114
105	"Heads with more than 40 flowers"	106
105	"Heads with fewer than 40 flowers"	108
106	"Gland 3–45 mm above pulvinus; pulvinus 4–7 mm long"	"Acacia pycnantha"
106	"Gland 0–3 mm above pulvinus; pulvinus 1–6 mm long"	107
107	"Phyllodes stiff; seed transverse in pod; rare native species of north-western and north-central Victoria"	"Acacia notabilis"
107	"Phyllodes pliant; seed longitudinal in pod; widespread garden-escape"	"Acacia saligna"
108	"Phyllode margins and veins reddish (especially when dry)"	"Acacia rubida"
108	"Phyllode margins and veins not reddish"	109
109	"Peduncles covered in appressed, golden hairs; phyllodes 10–22 cm long"	"Acacia falciformis"
109	"Peduncles glabrous (or rarely with scattered hairs); phyllodes 4–17 cm long"	110
110	"Pods linear, 4–6 mm wide; phyllodes (3–) 6–12 mm wide"	"Acacia hakeoides"
110	"Pods oblong, 10–25 mm wide; phyllodes 5–50 mm wide"	111
111	"Phyllodes lacking faint vein connecting the gland to the midrib"	112
111	"Phyllodes with a faint vein connecting the gland to the midrib"	113
112	"Phyllodes 2–7 cm long, usually indented at gland, apex usually with a pointed tip"	"Acacia sporadica"
112	"Phyllodes 5–17 cm long, not indented at gland, apex obtuse"	"Acacia obliquinervia"
113	"Phyllodes not indented at gland, glaucous, pruinose when young, apex obtuse"	"Acacia caerulescens"
113	"Phyllodes indented at gland, usually green, apex acute or obtuse"	"Acacia penninervis"
114	"Phyllodes 8–25 cm long, gland at or near distal end of pulvinus; widespread garden-escape"	"Acacia saligna"
114	"Phyllodes 1–14 cm long, gland 2–60 mm above pulvinus; native species"	115
115	"Heads with 25–40 flowers; north-western Victoria"	"Acacia euthycarpa"
115	"Heads with 5–20 flowers"	116
116	"Phyllodes glaucous (except at ends of flowering branches); heads with 15–20 flowers; pods 3–3.5 mm wide; north-central from Inglewood to Rushworth"	"Acacia williamsonii"
116	"Phyllodes green to grey-green; heads with 5–10 flowers; pods 4–6 mm wide; mostly Snowy River area, also near Myrtleford"	117
117	"Erect to spreading shrub to 5 m high, not suckering; phyllodes c. 3–6 cm long; pods formed"	"Acacia boormanii"
117	"Small root-suckering shrubs to c. 1 m high; phyllodes c. 1–4 cm long; pods not formed"	"Acacia infecunda"
118	"Shrubs to 4 m high; phyllodes 1–3 cm long, usually 2–6 mm wide with central mucro; pods formed; relatively widespread in north-eastern Victoria"	"Acacia buxifolia"
118	"Small root-suckering shrubs to 0.5 m high; phyllodes 0.6–1.7 cm long, usually 1–2 mm wide, eccentrically mucronate; pods not formed; Wulgulmerang area"	"Acacia tabula"
119	"Phyllodes up to 3 cm long, gland 8–15 mm above base; heads with more than 10 flowers"	"Acacia cultriformis"
119	"Phyllodes usually less than 1.5 cm long, gland 2–7 mm above base; heads with fewer than 10 flowers"	120
120	"Shrubs to 8 m high; phyllodes 6–20 mm long; pods formed; widespread in north-eastern Victoria"	"Acacia pravissima"
120	"Small root-suckering shrubs to c. 1 m high; phyllodes 3–8 mm long; pods not formed; Wulgulmerang area"	"Acacia nanopravissima"
121	"Phyllodes pungent, up to 4 cm long"	122
121	"Phyllodes innocuous, over 4 cm long (except A. alpina)"	125
122	"Phyllodes decurrent on stem"	"Acacia triptera"
122	"Phyllodes articulate on stem"	123
123	"Phyllodes more or less triangular, widest point around the middle, grey-green or glaucous"	"Acacia cultriformis"
123	"Phyllodes linear or lanceolate, broadest at base, green"	124
124	"Phyllodes alternate, with more than 1 nerve on each face"	"Acacia oxycedrus"
124	"Phyllodes in whorls or fascicles, with 1 nerve on each face"	"Acacia verticillata"
125	"Phyllodes not reticulate, with all veins separate (rarely a few anastomosing minor veins); if phyllodes more than 20 times as long as wide then rachis not visible when flowers opened; mostly  from the far north-east and upper Snowy River area"	126
125	"Phyllodes reticulate, with few to numerous anastomosing minor veins; if phyllodes more than 20 times as long as wide then rachis usually visible when flowers opened"	130
126	"Leaves covered with fine, white-grey appressed hairs, glaucous"	"Acacia binervia"
126	"Leaves glabrous, occasionally hairy when young and hairs restricted to margins when mature, rarely glaucous"	127
127	"Phyllodes narrow-elliptic to oblong (usually less than 20 times as long as broad); margins of young phyllodes transparent"	"Acacia subtilinervis"
127	"Phyllodes linear (usually more than 20 times as long as broad); margins of phyllodes never transparent"	128
128	"Phyllodes hairy when young, mature leaves with pubescent margins"	"Acacia acuminata"
128	"Phyllodes glabrous"	129
129	"Phyllodes 3–8 mm wide; inflorescence cylindric; near Beechworth and Suggan Buggan"	"Acacia doratoxylon"
129	"Phyllodes 1–2 mm wide; inflorescence obloid to globular; Pine Mountain"	"Acacia phasmoides"
130	"Phyllodes less than 4 cm long, obovate or suborbicular"	"Acacia alpina"
130	"Phyllodes over 4 cm long, linear, elliptic or obovate"	131
131	"Phyllode margins uneven and resinous"	132
131	"Phyllode margins even"	133
132	"Flowers creamy to pale yellow; phyllodes 7–23 mm wide; East Gippsland (and naturalized in upper Yarra River area)"	"Acacia obtusifolia"
132	"Flowers deep yellow; phyllodes 15–60 mm wide; Buffalo Range"	"Acacia phlebophylla"
133	"Phyllode gland apparently absent"	134
133	"Phyllode gland evident"	135
134	"Phyllodes more than 10 times longer than wide; flower spikes 20–80 mm long; spreading shrub, usually with weeping branchlets; watercourses and damp forests of Gippsland lowlands east of Maffra"	"Acacia floribunda"
134	"Phyllodes less than 7 times longer than wide; flower spikes to 25 mm long; slender, more or less erect shrub; known only from subalpine areas in the Cobungra-Mt Hotham area"	"Acacia ureniae"
135	"Phyllodes up to 10 (rarely to 12) mm wide"	"Acacia mucronata"
135	"Phyllodes over 10 mm wide"	136
136	"Flowers May-Jul., pale yellow; rachis densely pubescent; Orbost area only"	"Acacia maidenii"
136	"Flowers Jun.-Dec., mid to bright yellow; rachis glabrous"	137
137	"Tree to 15 m; phyllodes falcate, secondary veins obscure; subalpine and montane forests"	"Acacia dallachiana"
137	"Shrub or small tree to 10 m; phyllodes mostly straight, secondary veins prominent; mostly coastal areas and foothills"	"Acacia longifolia"
138	"Flower heads single on an unbranched peduncle; pinnae with 2–6 pairs of pinnules"	"Acacia mitchellii"
138	"Flower heads in racemes; pinnae in 2–25 pairs, each pinna with 10 or more pairs of pinnules"	139
139	"Pinnules 2–12 mm wide, 8–60 mm long"	140
139	"Pinnules 0.5–1.5 mm wide, 1–15 mm long"	142
140	"Pinnules 30–60 mm long; tree 8 m high or more, escaped from cultivation"	"Acacia elata"
140	"Pinnules 5–23 mm long; shrub or small tree"	141
141	"Rachis with large elongate gland below basal pinnae; pinnules distinctly paler below, with 1 vein; branchlets ridged, reddish"	"Acacia terminalis"
141	"Rachis with an orbicular gland below basal pinnae; pinnules not paler below, usually with more than 1 vein; brachlets not ridged, pruinose"	"Acacia schinoides"
142	"Leaf rachis with glands only at the junction of at least some pinna pairs (jugary)"	143
142	"Leaf rachis with glands at the junction of each pinna pair (jugary) and also between each successive pair (interjugary)"	149
143	"Leaves with up to 6 pairs of pinnae; branchlets more or less terete (at most slightly angled or furrowed); pinnules shorter towards ends of pinna"	"Acacia baileyana"
143	"Leaves with at least 5 pairs of pinnae, rarely as few as 4; branchlets terete or with wing-like ridges; pinnules of more or less equal length throughout pinna"	144
144	"Branchlets with prominent wing-like ridges; pinnules 5–15 mm long"	"Acacia decurrens"
144	"Branchlets ridged but not winged nor conspicuously angled; pinnules 1–5(–7) mm long"	145
145	"Ridges of branchlets usually scabrous, with tufted hairs; rachis gland at junction of uppermost 1–3 pairs of pinnae only; localized in Cann River area"	"Acacia irrorata"
145	"Ridges of branchlets smooth, with soft hairs; rachis gland at junction of all pinnae"	146
146	"Pinnules ovate to obovate, 1–1.5 mm wide, 1–3 mm long; branchlets not glaucous"	"Acacia cardiophylla"
146	"Pinnules oblong to linear-oblong, 0.5–1 mm wide, 1–5(–7) mm long; branchlets glaucous"	147
147	"Branchlets terete; pinnules velvety, with dense silvery-grey hair; pods densely hairy, 4–7 mm wide"	"Acacia mollifolia"
147	"Branchlets angled; pinnules sparsely hairy; pods glabrous, usually pruinose, 8–20 mm wide"	148
148	"Pinnules more or less acute at apex, minutely hairy, mostly longer than 2 mm"	"Acacia dealbata"
148	"Pinnules obtuse at apex, almost glabrous, up to 2.5 mm long"	"Acacia nanodealbata"
149	"Pinnules lanceolate (broadest below centre), 5–8 mm long; East Gippsland"	"Acacia silvestris"
149	"Pinnules linear to oblong, 1–10 mm long"	150
150	"Leaves with 2–8 pairs of pinnae; pinnae with 10–30 pinnules; pinnules 3.5–10 mm long"	"Acacia deanei"
150	"Leaves with 8–25 pairs of pinnae; pinnae with 30–70 pinnules; pinnules 1–5 mm long"	"Acacia mearnsii"