Pontederia crassipes

Mart. (1824)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Commelinales Family: Pontederiaceae Genus: Pontederia

water hyacinth

Description

Key Characters:

Growth Form: Free floating perennial herbs, stoloniferous.

Stems: Vegetative stems condensed, except when branching.

Roots: Fibrous root system.

Leaves: Leaves simple. In a basal rosette. Blades ovate to orbicular, usually 3.5–16 cm long, 4–14 cm wide. Blades leathery. Margins entire. Veins acrodromous. Petioles usually 7–30 cm long, inflated near base, sheathing and tubular. Stipules 2.5–14 cm.

Flowers: Flowers numerous on scapes 1–4 dm long, with a conspicuous sheath near middle; terminal. Flowers bisexual (perfect). Perianth in two series violet, the tube curved, 1.5–2 cm long, the lobes obovate to elliptic, 3.54 cm long, upper lobe enlarged and with a patch of blue with a yellow center. Stamens 6 (3 long & 3 short). Ovary superior, 3-celled; ovules numerous.

Fruit: Capsules. Seeds longitudinally ribbed.

Ploidy: 2n = 30; 32; 58

Habitat: Aquatic.

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized
O'ahu Naturalized
Lana'i Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents

Water/Ocean
Birds

Vegetative Reproduction

Pollinators

Specimens

Bibliography

Name Published In: Nov. Gen. Sp. Pl. 1: 9 (1824)

Other References

Wagner et al. 1990:1604 (K, O, M, H); Staples & Herbst 2005:751 (DESCR)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Pontederia crassipes Mart. kaaawa; mouth of kaaawa stream Abundantly established. PRESERVED_SPECIMEN st.john, h. collector number: 13313 Oahu BISH 7/19/1933
2 Pontederia crassipes Mart. laie; laie cemetery Floating on water. PRESERVED_SPECIMEN collector number: ct-41 Oahu BISH 4/2/1975
3 Pontederia crassipes Mart. Rainshed Heliport, Volcano, HI 96785, USA UNKNOWN Maui HAPI 12/31/1996
4 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. Collector Number: 2005-145 Oahu BISH 3/26/2005
5 Pontederia crassipes Mart. keolu hills, kailua, oahu, hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN crago, l.m. collector number: 2005-145 Oahu BISH 3/26/2005
6 Pontederia crassipes Mart. laie; w of wailua Collected off basalt rocks scoured by sand PRESERVED_SPECIMEN tanabe, l. collector number: 23 Kauai BISH 12/7/1960
7 Pontederia crassipes Mart. Near sewage plant and station #3 for harvesting In two ponds. PRESERVED_SPECIMEN Smith, L.B. 148 Oahu BISH 7/30/1976
8 Pontederia crassipes Mart. honolulu: manoa valley; university of hawaii manoa campus; courtyard of st. john hall Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
9 Pontederia crassipes Mart. punaluu; kau districti Growing mauka of bridge on mucky wet banks. PRESERVED_SPECIMEN degener, o. collector number: 9768 Kauai BISH 4/13/1930
10 Pontederia crassipes Mart. Koele, W of Nininiwai Hill. PRESERVED_SPECIMEN Hank Oppenheimer H91802 Lanai PTBG 9/27/2018
11 Pontederia crassipes Mart. Koele, west of Nininiwai Hill. Naturalized and spreading throughout a large reservoir and covering at least 75% of the surface area. PRESERVED_SPECIMEN Oppenheimer, H.L. H91802 Lanai BISH 9/27/2018
12 Pontederia crassipes Mart. Laie rooted in mud in water-filled slough by fish farms behaind Laie PRESERVED_SPECIMEN Herbst D; Ishikawa S; Spence G Herbst, D; Ishikawa, S; Spence, G 5281 L 4/21/1975
13 Pontederia crassipes Mart. punaluu, kau, PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
14 Pontederia crassipes Mart. punaluu, kau, hawaii PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
15 Pontederia crassipes Mart. Laie Rare. PRESERVED_SPECIMEN Kamae, K.K. 45 Oahu BISH 5/3/1967
16 Pontederia crassipes Mart. Laie; W of Wailua Growing wild in still water of a pond-like river covered with growth of other green plants. PRESERVED_SPECIMEN Tanabe, L. 23 Oahu BISH 12/7/1960
17 Pontederia crassipes Mart. kaena pt. by bridge, oahu PRESERVED_SPECIMEN kinglsey luke 13 CM 12/7/1960
18 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 6768 DUKE 4/13/1930
19 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. Cultivated. PRESERVED_SPECIMEN Joel Lau 1225 Oahu PTBG 7/18/1985
20 Pontederia crassipes Mart. Koloa. In stream crossing Koloa Road near Sueoka Store. PRESERVED_SPECIMEN Tim Flynn 1242 Kauai PTBG 10/3/1985
21 Pontederia crassipes Mart. W. Maui, Ukumehame, near sea level. PRESERVED_SPECIMEN Hank Oppenheimer H50101 Maui PTBG 5/5/2001
22 Pontederia crassipes Mart. university of hawaii, in two ponds near sewage plant & station #3 (herbarium of the university of hawaii) PRESERVED_SPECIMEN l. b. smith 148 Hawaii US 7/30/1976
23 Pontederia crassipes Mart. Punaluu, Kau PRESERVED_SPECIMEN Degener, O. 9768 Hawaii US 4/13/1930
24 Pontederia crassipes Mart. Makawao Dist., disturbed roadside on Halaeakala highway side of Kahana Pond, margins of canal adjacent to SW corner of pond PRESERVED_SPECIMEN Wagner, W. L.; Imada, C. T.; Takeuchi, W. N. 5802 Maui US 3/3/1988
25 Pontederia crassipes Mart. Punaluu; Kau Districti Naturalized and common in pond between houses and ocean. PRESERVED_SPECIMEN Degener, O. 9768 Hawaii BISH 4/13/1930
26 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. PRESERVED_SPECIMEN Lau, J. 1225 Oahu US 7/18/1985
27 Pontederia crassipes Mart. makawao dist., disturbed roadside on halaeakala highway side of kahana pond, margins of canal adjacent to sw corner of pond PRESERVED_SPECIMEN w. l. wagner, c. imada & w. n. takeuchi 5802 Maui US 3/3/1988
28 Pontederia crassipes Mart. punaluu, kau PRESERVED_SPECIMEN o. degener 9768 Hawaii US 4/13/1930
29 Pontederia crassipes Mart. east maui, makawao district, on haleakala highway side of kanaha pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN wagner, w.l. imada, c.; takeuchi, w. collector number: 5802 Maui BISH 3/3/1988
30 Pontederia crassipes Mart. Laie; BYU-Hawaii campus Floating on pools. PRESERVED_SPECIMEN Mackelprang, J. 186 Oahu BISH 4/1/1977
31 Pontederia crassipes Mart. u. h. campus, st. john hall, in the courtyard. PRESERVED_SPECIMEN j. lau 1225 Oahu US 7/18/1985
32 Pontederia crassipes Mart. University of Hawaii, in two ponds near sewage plant & station #3 (Herbarium of the University of Hawaii) PRESERVED_SPECIMEN Smith, L. B. 148 Hawaii US 7/30/1976
33 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 9768 WIS 4/13/1930
34 Pontederia crassipes Mart. laie; byu-hawaii campus Floating on pools. PRESERVED_SPECIMEN mackelprang, j. collector number: 186 Oahu BISH 4/1/1977
35 Pontederia crassipes Mart. Honolulu: Manoa Valley; University of Hawaii Manoa Campus; courtyard of St. John Hall Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
36 Pontederia crassipes Mart. Honolulu; Univ. of Hawaii-Manoa campus, St. John Hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
37 Pontederia crassipes Mart. Laie; Laie Cemetery Floating on water. PRESERVED_SPECIMEN CT-41 Oahu BISH 4/2/1975
38 Pontederia crassipes Mart. laie Rare. PRESERVED_SPECIMEN kamae, k.k. collector number: 45 Oahu BISH 5/3/1967
39 Pontederia crassipes Mart. laie; fish farms behind laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN herbst, d.r. ishikawa, s.; spence, g. collector number: 5281 Oahu BISH 4/21/1975
40 Pontederia crassipes Mart. honolulu; univ. of hawaii-manoa campus, st. john hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
41 Pontederia crassipes Mart. Kaaawa; Mouth of Kaaawa Stream Abundantly established. PRESERVED_SPECIMEN St. John, H. 13313 Oahu BISH 7/19/1933
42 Pontederia crassipes Mart. East Maui, Makawao District, On Haleakala Highway side of Kanaha Pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN Wagner, W.L. 5802 Maui BISH 3/3/1988
43 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. 2005-145 Oahu BISH 3/26/2005
44 Pontederia crassipes Mart. beach nw of kahului Growing in muddy pond. PRESERVED_SPECIMEN fosberg, f.r. collector number: 9823a Maui BISH 8/17/1933
45 Pontederia crassipes Mart. Beach NW of Kahului Growing in muddy pond. PRESERVED_SPECIMEN Fosberg, F.R. 9823a Maui BISH 8/17/1933
46 Pontederia crassipes Mart. near sewage plant and station #3 for harvesting PRESERVED_SPECIMEN smith, l.b. collector number: 148 Maui BISH 7/30/1976
47 Pontederia crassipes Mart. waipio, hamakua district; waipio stream Along banks of stream and in water. PRESERVED_SPECIMEN st.john, h. collector number: 24011 Hawaii BISH 1/1/1950
48 Pontederia crassipes Mart. Laie; Fish farms behind Laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN Herbst, D.R. 5281 Oahu BISH 4/21/1975
49 Pontederia crassipes Mart. Waipio, Hamakua District; Waipio Stream Along banks of stream and in water. PRESERVED_SPECIMEN St. John, H. 24011 Hawaii BISH 1/1/1950
50 Pontederia crassipes Mart. Along Schofield-Waikane trail UNKNOWN Oahu HAPI 12/31/1996
51 Pontederia crassipes Mart. O????ahu, East Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
52 Pontederia crassipes Mart. Punahou School, Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
53 Pontederia crassipes Mart. Honolulu UNKNOWN Oahu HAPI 12/31/2015
54 Pontederia crassipes Mart. kaaawa; mouth of kaaawa stream Abundantly established. PRESERVED_SPECIMEN st.john, h. collector number: 13313 Oahu BISH 7/19/1933
55 Pontederia crassipes Mart. laie; laie cemetery Floating on water. PRESERVED_SPECIMEN collector number: ct-41 Oahu BISH 4/2/1975
56 Pontederia crassipes Mart. Rainshed Heliport, Volcano, HI 96785, USA UNKNOWN Maui HAPI 12/31/1996
57 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. Collector Number: 2005-145 Oahu BISH 3/26/2005
58 Pontederia crassipes Mart. keolu hills, kailua, oahu, hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN crago, l.m. collector number: 2005-145 Oahu BISH 3/26/2005
59 Pontederia crassipes Mart. laie; w of wailua Collected off basalt rocks scoured by sand PRESERVED_SPECIMEN tanabe, l. collector number: 23 Kauai BISH 12/7/1960
60 Pontederia crassipes Mart. Near sewage plant and station #3 for harvesting In two ponds. PRESERVED_SPECIMEN Smith, L.B. 148 Oahu BISH 7/30/1976
61 Pontederia crassipes Mart. honolulu: manoa valley; university of hawaii manoa campus; courtyard of st. john hall Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
62 Pontederia crassipes Mart. punaluu; kau districti Growing mauka of bridge on mucky wet banks. PRESERVED_SPECIMEN degener, o. collector number: 9768 Kauai BISH 4/13/1930
63 Pontederia crassipes Mart. Koele, W of Nininiwai Hill. PRESERVED_SPECIMEN Hank Oppenheimer H91802 Lanai PTBG 9/27/2018
64 Pontederia crassipes Mart. Koele, west of Nininiwai Hill. Naturalized and spreading throughout a large reservoir and covering at least 75% of the surface area. PRESERVED_SPECIMEN Oppenheimer, H.L. H91802 Lanai BISH 9/27/2018
65 Pontederia crassipes Mart. Laie rooted in mud in water-filled slough by fish farms behaind Laie PRESERVED_SPECIMEN Herbst D; Ishikawa S; Spence G Herbst, D; Ishikawa, S; Spence, G 5281 L 4/21/1975
66 Pontederia crassipes Mart. punaluu, kau, PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
67 Pontederia crassipes Mart. punaluu, kau, hawaii PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
68 Pontederia crassipes Mart. Laie Rare. PRESERVED_SPECIMEN Kamae, K.K. 45 Oahu BISH 5/3/1967
69 Pontederia crassipes Mart. Laie; W of Wailua Growing wild in still water of a pond-like river covered with growth of other green plants. PRESERVED_SPECIMEN Tanabe, L. 23 Oahu BISH 12/7/1960
70 Pontederia crassipes Mart. kaena pt. by bridge, oahu PRESERVED_SPECIMEN kinglsey luke 13 CM 12/7/1960
71 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 6768 DUKE 4/13/1930
72 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. Cultivated. PRESERVED_SPECIMEN Joel Lau 1225 Oahu PTBG 7/18/1985
73 Pontederia crassipes Mart. Koloa. In stream crossing Koloa Road near Sueoka Store. PRESERVED_SPECIMEN Tim Flynn 1242 Kauai PTBG 10/3/1985
74 Pontederia crassipes Mart. W. Maui, Ukumehame, near sea level. PRESERVED_SPECIMEN Hank Oppenheimer H50101 Maui PTBG 5/5/2001
75 Pontederia crassipes Mart. university of hawaii, in two ponds near sewage plant & station #3 (herbarium of the university of hawaii) PRESERVED_SPECIMEN l. b. smith 148 Hawaii US 7/30/1976
76 Pontederia crassipes Mart. Punaluu, Kau PRESERVED_SPECIMEN Degener, O. 9768 Hawaii US 4/13/1930
77 Pontederia crassipes Mart. Makawao Dist., disturbed roadside on Halaeakala highway side of Kahana Pond, margins of canal adjacent to SW corner of pond PRESERVED_SPECIMEN Wagner, W. L.; Imada, C. T.; Takeuchi, W. N. 5802 Maui US 3/3/1988
78 Pontederia crassipes Mart. Punaluu; Kau Districti Naturalized and common in pond between houses and ocean. PRESERVED_SPECIMEN Degener, O. 9768 Hawaii BISH 4/13/1930
79 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. PRESERVED_SPECIMEN Lau, J. 1225 Oahu US 7/18/1985
80 Pontederia crassipes Mart. makawao dist., disturbed roadside on halaeakala highway side of kahana pond, margins of canal adjacent to sw corner of pond PRESERVED_SPECIMEN w. l. wagner, c. imada & w. n. takeuchi 5802 Maui US 3/3/1988
81 Pontederia crassipes Mart. punaluu, kau PRESERVED_SPECIMEN o. degener 9768 Hawaii US 4/13/1930
82 Pontederia crassipes Mart. east maui, makawao district, on haleakala highway side of kanaha pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN wagner, w.l. imada, c.; takeuchi, w. collector number: 5802 Maui BISH 3/3/1988
83 Pontederia crassipes Mart. Laie; BYU-Hawaii campus Floating on pools. PRESERVED_SPECIMEN Mackelprang, J. 186 Oahu BISH 4/1/1977
84 Pontederia crassipes Mart. u. h. campus, st. john hall, in the courtyard. PRESERVED_SPECIMEN j. lau 1225 Oahu US 7/18/1985
85 Pontederia crassipes Mart. University of Hawaii, in two ponds near sewage plant & station #3 (Herbarium of the University of Hawaii) PRESERVED_SPECIMEN Smith, L. B. 148 Hawaii US 7/30/1976
86 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 9768 WIS 4/13/1930
87 Pontederia crassipes Mart. laie; byu-hawaii campus Floating on pools. PRESERVED_SPECIMEN mackelprang, j. collector number: 186 Oahu BISH 4/1/1977
88 Pontederia crassipes Mart. Honolulu: Manoa Valley; University of Hawaii Manoa Campus; courtyard of St. John Hall Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
89 Pontederia crassipes Mart. Honolulu; Univ. of Hawaii-Manoa campus, St. John Hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
90 Pontederia crassipes Mart. Laie; Laie Cemetery Floating on water. PRESERVED_SPECIMEN CT-41 Oahu BISH 4/2/1975
91 Pontederia crassipes Mart. laie Rare. PRESERVED_SPECIMEN kamae, k.k. collector number: 45 Oahu BISH 5/3/1967
92 Pontederia crassipes Mart. laie; fish farms behind laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN herbst, d.r. ishikawa, s.; spence, g. collector number: 5281 Oahu BISH 4/21/1975
93 Pontederia crassipes Mart. honolulu; univ. of hawaii-manoa campus, st. john hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
94 Pontederia crassipes Mart. Kaaawa; Mouth of Kaaawa Stream Abundantly established. PRESERVED_SPECIMEN St. John, H. 13313 Oahu BISH 7/19/1933
95 Pontederia crassipes Mart. East Maui, Makawao District, On Haleakala Highway side of Kanaha Pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN Wagner, W.L. 5802 Maui BISH 3/3/1988
96 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. 2005-145 Oahu BISH 3/26/2005
97 Pontederia crassipes Mart. beach nw of kahului Growing in muddy pond. PRESERVED_SPECIMEN fosberg, f.r. collector number: 9823a Maui BISH 8/17/1933
98 Pontederia crassipes Mart. Beach NW of Kahului Growing in muddy pond. PRESERVED_SPECIMEN Fosberg, F.R. 9823a Maui BISH 8/17/1933
99 Pontederia crassipes Mart. near sewage plant and station #3 for harvesting PRESERVED_SPECIMEN smith, l.b. collector number: 148 Maui BISH 7/30/1976
100 Pontederia crassipes Mart. waipio, hamakua district; waipio stream Along banks of stream and in water. PRESERVED_SPECIMEN st.john, h. collector number: 24011 Hawaii BISH 1/1/1950
101 Pontederia crassipes Mart. Laie; Fish farms behind Laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN Herbst, D.R. 5281 Oahu BISH 4/21/1975
102 Pontederia crassipes Mart. Waipio, Hamakua District; Waipio Stream Along banks of stream and in water. PRESERVED_SPECIMEN St. John, H. 24011 Hawaii BISH 1/1/1950
103 Pontederia crassipes Mart. Along Schofield-Waikane trail UNKNOWN Oahu HAPI 12/31/1996
104 Pontederia crassipes Mart. O????ahu, East Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
105 Pontederia crassipes Mart. Punahou School, Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
106 Pontederia crassipes Mart. Honolulu UNKNOWN Oahu HAPI 12/31/2015
107 Pontederia crassipes Mart. kaaawa; mouth of kaaawa stream Abundantly established. PRESERVED_SPECIMEN st.john, h. collector number: 13313 Oahu BISH 7/19/1933
108 Pontederia crassipes Mart. laie; laie cemetery Floating on water. PRESERVED_SPECIMEN collector number: ct-41 Oahu BISH 4/2/1975
109 Pontederia crassipes Mart. Rainshed Heliport, Volcano, HI 96785, USA UNKNOWN Maui HAPI 12/31/1996
110 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. Collector Number: 2005-145 Oahu BISH 3/26/2005
111 Pontederia crassipes Mart. keolu hills, kailua, oahu, hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN crago, l.m. collector number: 2005-145 Oahu BISH 3/26/2005
112 Pontederia crassipes Mart. laie; w of wailua Collected off basalt rocks scoured by sand PRESERVED_SPECIMEN tanabe, l. collector number: 23 Kauai BISH 12/7/1960
113 Pontederia crassipes Mart. Near sewage plant and station #3 for harvesting In two ponds. PRESERVED_SPECIMEN Smith, L.B. 148 Oahu BISH 7/30/1976
114 Pontederia crassipes Mart. honolulu: manoa valley; university of hawaii manoa campus; courtyard of st. john hall Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
115 Pontederia crassipes Mart. punaluu; kau districti Growing mauka of bridge on mucky wet banks. PRESERVED_SPECIMEN degener, o. collector number: 9768 Kauai BISH 4/13/1930
116 Pontederia crassipes Mart. Koele, W of Nininiwai Hill. PRESERVED_SPECIMEN Hank Oppenheimer H91802 Lanai PTBG 9/27/2018
117 Pontederia crassipes Mart. Koele, west of Nininiwai Hill. Naturalized and spreading throughout a large reservoir and covering at least 75% of the surface area. PRESERVED_SPECIMEN Oppenheimer, H.L. H91802 Lanai BISH 9/27/2018
118 Pontederia crassipes Mart. Laie rooted in mud in water-filled slough by fish farms behaind Laie PRESERVED_SPECIMEN Herbst D; Ishikawa S; Spence G Herbst, D; Ishikawa, S; Spence, G 5281 L 4/21/1975
119 Pontederia crassipes Mart. punaluu, kau, PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
120 Pontederia crassipes Mart. punaluu, kau, hawaii PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
121 Pontederia crassipes Mart. Laie Rare. PRESERVED_SPECIMEN Kamae, K.K. 45 Oahu BISH 5/3/1967
122 Pontederia crassipes Mart. Laie; W of Wailua Growing wild in still water of a pond-like river covered with growth of other green plants. PRESERVED_SPECIMEN Tanabe, L. 23 Oahu BISH 12/7/1960
123 Pontederia crassipes Mart. kaena pt. by bridge, oahu PRESERVED_SPECIMEN kinglsey luke 13 CM 12/7/1960
124 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 6768 DUKE 4/13/1930
125 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. Cultivated. PRESERVED_SPECIMEN Joel Lau 1225 Oahu PTBG 7/18/1985
126 Pontederia crassipes Mart. Koloa. In stream crossing Koloa Road near Sueoka Store. PRESERVED_SPECIMEN Tim Flynn 1242 Kauai PTBG 10/3/1985
127 Pontederia crassipes Mart. W. Maui, Ukumehame, near sea level. PRESERVED_SPECIMEN Hank Oppenheimer H50101 Maui PTBG 5/5/2001
128 Pontederia crassipes Mart. university of hawaii, in two ponds near sewage plant & station #3 (herbarium of the university of hawaii) PRESERVED_SPECIMEN l. b. smith 148 Hawaii US 7/30/1976
129 Pontederia crassipes Mart. Punaluu, Kau PRESERVED_SPECIMEN Degener, O. 9768 Hawaii US 4/13/1930
130 Pontederia crassipes Mart. Makawao Dist., disturbed roadside on Halaeakala highway side of Kahana Pond, margins of canal adjacent to SW corner of pond PRESERVED_SPECIMEN Wagner, W. L.; Imada, C. T.; Takeuchi, W. N. 5802 Maui US 3/3/1988
131 Pontederia crassipes Mart. Punaluu; Kau Districti Naturalized and common in pond between houses and ocean. PRESERVED_SPECIMEN Degener, O. 9768 Hawaii BISH 4/13/1930
132 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. PRESERVED_SPECIMEN Lau, J. 1225 Oahu US 7/18/1985
133 Pontederia crassipes Mart. makawao dist., disturbed roadside on halaeakala highway side of kahana pond, margins of canal adjacent to sw corner of pond PRESERVED_SPECIMEN w. l. wagner, c. imada & w. n. takeuchi 5802 Maui US 3/3/1988
134 Pontederia crassipes Mart. punaluu, kau PRESERVED_SPECIMEN o. degener 9768 Hawaii US 4/13/1930
135 Pontederia crassipes Mart. east maui, makawao district, on haleakala highway side of kanaha pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN wagner, w.l. imada, c.; takeuchi, w. collector number: 5802 Maui BISH 3/3/1988
136 Pontederia crassipes Mart. Laie; BYU-Hawaii campus Floating on pools. PRESERVED_SPECIMEN Mackelprang, J. 186 Oahu BISH 4/1/1977
137 Pontederia crassipes Mart. u. h. campus, st. john hall, in the courtyard. PRESERVED_SPECIMEN j. lau 1225 Oahu US 7/18/1985
138 Pontederia crassipes Mart. University of Hawaii, in two ponds near sewage plant & station #3 (Herbarium of the University of Hawaii) PRESERVED_SPECIMEN Smith, L. B. 148 Hawaii US 7/30/1976
139 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 9768 WIS 4/13/1930
140 Pontederia crassipes Mart. laie; byu-hawaii campus Floating on pools. PRESERVED_SPECIMEN mackelprang, j. collector number: 186 Oahu BISH 4/1/1977
141 Pontederia crassipes Mart. Honolulu: Manoa Valley; University of Hawaii Manoa Campus; courtyard of St. John Hall Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
142 Pontederia crassipes Mart. Honolulu; Univ. of Hawaii-Manoa campus, St. John Hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
143 Pontederia crassipes Mart. Laie; Laie Cemetery Floating on water. PRESERVED_SPECIMEN CT-41 Oahu BISH 4/2/1975
144 Pontederia crassipes Mart. laie Rare. PRESERVED_SPECIMEN kamae, k.k. collector number: 45 Oahu BISH 5/3/1967
145 Pontederia crassipes Mart. laie; fish farms behind laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN herbst, d.r. ishikawa, s.; spence, g. collector number: 5281 Oahu BISH 4/21/1975
146 Pontederia crassipes Mart. honolulu; univ. of hawaii-manoa campus, st. john hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
147 Pontederia crassipes Mart. Kaaawa; Mouth of Kaaawa Stream Abundantly established. PRESERVED_SPECIMEN St. John, H. 13313 Oahu BISH 7/19/1933
148 Pontederia crassipes Mart. East Maui, Makawao District, On Haleakala Highway side of Kanaha Pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN Wagner, W.L. 5802 Maui BISH 3/3/1988
149 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. 2005-145 Oahu BISH 3/26/2005
150 Pontederia crassipes Mart. beach nw of kahului Growing in muddy pond. PRESERVED_SPECIMEN fosberg, f.r. collector number: 9823a Maui BISH 8/17/1933
151 Pontederia crassipes Mart. Beach NW of Kahului Growing in muddy pond. PRESERVED_SPECIMEN Fosberg, F.R. 9823a Maui BISH 8/17/1933
152 Pontederia crassipes Mart. near sewage plant and station #3 for harvesting PRESERVED_SPECIMEN smith, l.b. collector number: 148 Maui BISH 7/30/1976
153 Pontederia crassipes Mart. waipio, hamakua district; waipio stream Along banks of stream and in water. PRESERVED_SPECIMEN st.john, h. collector number: 24011 Hawaii BISH 1/1/1950
154 Pontederia crassipes Mart. Laie; Fish farms behind Laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN Herbst, D.R. 5281 Oahu BISH 4/21/1975
155 Pontederia crassipes Mart. Waipio, Hamakua District; Waipio Stream Along banks of stream and in water. PRESERVED_SPECIMEN St. John, H. 24011 Hawaii BISH 1/1/1950
156 Pontederia crassipes Mart. Along Schofield-Waikane trail UNKNOWN Oahu HAPI 12/31/1996
157 Pontederia crassipes Mart. O????ahu, East Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
158 Pontederia crassipes Mart. Punahou School, Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
159 Pontederia crassipes Mart. Honolulu UNKNOWN Oahu HAPI 12/31/2015
160 Pontederia crassipes Mart. kaaawa; mouth of kaaawa stream Abundantly established. PRESERVED_SPECIMEN st.john, h. collector number: 13313 Oahu BISH 7/19/1933
161 Pontederia crassipes Mart. laie; laie cemetery Floating on water. PRESERVED_SPECIMEN collector number: ct-41 Oahu BISH 4/2/1975
162 Pontederia crassipes Mart. Rainshed Heliport, Volcano, HI 96785, USA UNKNOWN Maui HAPI 12/31/1996
163 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. Collector Number: 2005-145 Oahu BISH 3/26/2005
164 Pontederia crassipes Mart. keolu hills, kailua, oahu, hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN crago, l.m. collector number: 2005-145 Oahu BISH 3/26/2005
165 Pontederia crassipes Mart. laie; w of wailua Collected off basalt rocks scoured by sand PRESERVED_SPECIMEN tanabe, l. collector number: 23 Kauai BISH 12/7/1960
166 Pontederia crassipes Mart. Near sewage plant and station #3 for harvesting In two ponds. PRESERVED_SPECIMEN Smith, L.B. 148 Oahu BISH 7/30/1976
167 Pontederia crassipes Mart. honolulu: manoa valley; university of hawaii manoa campus; courtyard of st. john hall Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
168 Pontederia crassipes Mart. punaluu; kau districti Growing mauka of bridge on mucky wet banks. PRESERVED_SPECIMEN degener, o. collector number: 9768 Kauai BISH 4/13/1930
169 Pontederia crassipes Mart. Koele, W of Nininiwai Hill. PRESERVED_SPECIMEN Hank Oppenheimer H91802 Lanai PTBG 9/27/2018
170 Pontederia crassipes Mart. Koele, west of Nininiwai Hill. Naturalized and spreading throughout a large reservoir and covering at least 75% of the surface area. PRESERVED_SPECIMEN Oppenheimer, H.L. H91802 Lanai BISH 9/27/2018
171 Pontederia crassipes Mart. Laie rooted in mud in water-filled slough by fish farms behaind Laie PRESERVED_SPECIMEN Herbst D; Ishikawa S; Spence G Herbst, D; Ishikawa, S; Spence, G 5281 L 4/21/1975
172 Pontederia crassipes Mart. punaluu, kau, PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
173 Pontederia crassipes Mart. punaluu, kau, hawaii PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
174 Pontederia crassipes Mart. Laie Rare. PRESERVED_SPECIMEN Kamae, K.K. 45 Oahu BISH 5/3/1967
175 Pontederia crassipes Mart. Laie; W of Wailua Growing wild in still water of a pond-like river covered with growth of other green plants. PRESERVED_SPECIMEN Tanabe, L. 23 Oahu BISH 12/7/1960
176 Pontederia crassipes Mart. kaena pt. by bridge, oahu PRESERVED_SPECIMEN kinglsey luke 13 CM 12/7/1960
177 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 6768 DUKE 4/13/1930
178 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. Cultivated. PRESERVED_SPECIMEN Joel Lau 1225 Oahu PTBG 7/18/1985
179 Pontederia crassipes Mart. Koloa. In stream crossing Koloa Road near Sueoka Store. PRESERVED_SPECIMEN Tim Flynn 1242 Kauai PTBG 10/3/1985
180 Pontederia crassipes Mart. W. Maui, Ukumehame, near sea level. PRESERVED_SPECIMEN Hank Oppenheimer H50101 Maui PTBG 5/5/2001
181 Pontederia crassipes Mart. university of hawaii, in two ponds near sewage plant & station #3 (herbarium of the university of hawaii) PRESERVED_SPECIMEN l. b. smith 148 Hawaii US 7/30/1976
182 Pontederia crassipes Mart. Punaluu, Kau PRESERVED_SPECIMEN Degener, O. 9768 Hawaii US 4/13/1930
183 Pontederia crassipes Mart. Makawao Dist., disturbed roadside on Halaeakala highway side of Kahana Pond, margins of canal adjacent to SW corner of pond PRESERVED_SPECIMEN Wagner, W. L.; Imada, C. T.; Takeuchi, W. N. 5802 Maui US 3/3/1988
184 Pontederia crassipes Mart. Punaluu; Kau Districti Naturalized and common in pond between houses and ocean. PRESERVED_SPECIMEN Degener, O. 9768 Hawaii BISH 4/13/1930
185 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. PRESERVED_SPECIMEN Lau, J. 1225 Oahu US 7/18/1985
186 Pontederia crassipes Mart. makawao dist., disturbed roadside on halaeakala highway side of kahana pond, margins of canal adjacent to sw corner of pond PRESERVED_SPECIMEN w. l. wagner, c. imada & w. n. takeuchi 5802 Maui US 3/3/1988
187 Pontederia crassipes Mart. punaluu, kau PRESERVED_SPECIMEN o. degener 9768 Hawaii US 4/13/1930
188 Pontederia crassipes Mart. east maui, makawao district, on haleakala highway side of kanaha pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN wagner, w.l. imada, c.; takeuchi, w. collector number: 5802 Maui BISH 3/3/1988
189 Pontederia crassipes Mart. Laie; BYU-Hawaii campus Floating on pools. PRESERVED_SPECIMEN Mackelprang, J. 186 Oahu BISH 4/1/1977
190 Pontederia crassipes Mart. u. h. campus, st. john hall, in the courtyard. PRESERVED_SPECIMEN j. lau 1225 Oahu US 7/18/1985
191 Pontederia crassipes Mart. University of Hawaii, in two ponds near sewage plant & station #3 (Herbarium of the University of Hawaii) PRESERVED_SPECIMEN Smith, L. B. 148 Hawaii US 7/30/1976
192 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 9768 WIS 4/13/1930
193 Pontederia crassipes Mart. laie; byu-hawaii campus Floating on pools. PRESERVED_SPECIMEN mackelprang, j. collector number: 186 Oahu BISH 4/1/1977
194 Pontederia crassipes Mart. Honolulu: Manoa Valley; University of Hawaii Manoa Campus; courtyard of St. John Hall Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
195 Pontederia crassipes Mart. Honolulu; Univ. of Hawaii-Manoa campus, St. John Hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
196 Pontederia crassipes Mart. Laie; Laie Cemetery Floating on water. PRESERVED_SPECIMEN CT-41 Oahu BISH 4/2/1975
197 Pontederia crassipes Mart. laie Rare. PRESERVED_SPECIMEN kamae, k.k. collector number: 45 Oahu BISH 5/3/1967
198 Pontederia crassipes Mart. laie; fish farms behind laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN herbst, d.r. ishikawa, s.; spence, g. collector number: 5281 Oahu BISH 4/21/1975
199 Pontederia crassipes Mart. honolulu; univ. of hawaii-manoa campus, st. john hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
200 Pontederia crassipes Mart. Kaaawa; Mouth of Kaaawa Stream Abundantly established. PRESERVED_SPECIMEN St. John, H. 13313 Oahu BISH 7/19/1933
201 Pontederia crassipes Mart. East Maui, Makawao District, On Haleakala Highway side of Kanaha Pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN Wagner, W.L. 5802 Maui BISH 3/3/1988
202 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. 2005-145 Oahu BISH 3/26/2005
203 Pontederia crassipes Mart. beach nw of kahului Growing in muddy pond. PRESERVED_SPECIMEN fosberg, f.r. collector number: 9823a Maui BISH 8/17/1933
204 Pontederia crassipes Mart. Beach NW of Kahului Growing in muddy pond. PRESERVED_SPECIMEN Fosberg, F.R. 9823a Maui BISH 8/17/1933
205 Pontederia crassipes Mart. near sewage plant and station #3 for harvesting PRESERVED_SPECIMEN smith, l.b. collector number: 148 Maui BISH 7/30/1976
206 Pontederia crassipes Mart. waipio, hamakua district; waipio stream Along banks of stream and in water. PRESERVED_SPECIMEN st.john, h. collector number: 24011 Hawaii BISH 1/1/1950
207 Pontederia crassipes Mart. Laie; Fish farms behind Laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN Herbst, D.R. 5281 Oahu BISH 4/21/1975
208 Pontederia crassipes Mart. Waipio, Hamakua District; Waipio Stream Along banks of stream and in water. PRESERVED_SPECIMEN St. John, H. 24011 Hawaii BISH 1/1/1950
209 Pontederia crassipes Mart. Along Schofield-Waikane trail UNKNOWN Oahu HAPI 12/31/1996
210 Pontederia crassipes Mart. O????ahu, East Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
211 Pontederia crassipes Mart. Punahou School, Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
212 Pontederia crassipes Mart. Honolulu UNKNOWN Oahu HAPI 12/31/2015
213 Pontederia crassipes Mart. kaaawa; mouth of kaaawa stream Abundantly established. PRESERVED_SPECIMEN st.john, h. collector number: 13313 Oahu BISH 7/19/1933
214 Pontederia crassipes Mart. laie; laie cemetery Floating on water. PRESERVED_SPECIMEN collector number: ct-41 Oahu BISH 4/2/1975
215 Pontederia crassipes Mart. Rainshed Heliport, Volcano, HI 96785, USA UNKNOWN Maui HAPI 12/31/1996
216 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. Collector Number: 2005-145 Oahu BISH 3/26/2005
217 Pontederia crassipes Mart. keolu hills, kailua, oahu, hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN crago, l.m. collector number: 2005-145 Oahu BISH 3/26/2005
218 Pontederia crassipes Mart. laie; w of wailua Collected off basalt rocks scoured by sand PRESERVED_SPECIMEN tanabe, l. collector number: 23 Kauai BISH 12/7/1960
219 Pontederia crassipes Mart. Near sewage plant and station #3 for harvesting In two ponds. PRESERVED_SPECIMEN Smith, L.B. 148 Oahu BISH 7/30/1976
220 Pontederia crassipes Mart. honolulu: manoa valley; university of hawaii manoa campus; courtyard of st. john hall Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
221 Pontederia crassipes Mart. punaluu; kau districti Growing mauka of bridge on mucky wet banks. PRESERVED_SPECIMEN degener, o. collector number: 9768 Kauai BISH 4/13/1930
222 Pontederia crassipes Mart. Koele, W of Nininiwai Hill. PRESERVED_SPECIMEN Hank Oppenheimer H91802 Lanai PTBG 9/27/2018
223 Pontederia crassipes Mart. Koele, west of Nininiwai Hill. Naturalized and spreading throughout a large reservoir and covering at least 75% of the surface area. PRESERVED_SPECIMEN Oppenheimer, H.L. H91802 Lanai BISH 9/27/2018
224 Pontederia crassipes Mart. Laie rooted in mud in water-filled slough by fish farms behaind Laie PRESERVED_SPECIMEN Herbst D; Ishikawa S; Spence G Herbst, D; Ishikawa, S; Spence, G 5281 L 4/21/1975
225 Pontederia crassipes Mart. punaluu, kau, PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
226 Pontederia crassipes Mart. punaluu, kau, hawaii PRESERVED_SPECIMEN o. degener 9768 NY 4/13/1930
227 Pontederia crassipes Mart. Laie Rare. PRESERVED_SPECIMEN Kamae, K.K. 45 Oahu BISH 5/3/1967
228 Pontederia crassipes Mart. Laie; W of Wailua Growing wild in still water of a pond-like river covered with growth of other green plants. PRESERVED_SPECIMEN Tanabe, L. 23 Oahu BISH 12/7/1960
229 Pontederia crassipes Mart. kaena pt. by bridge, oahu PRESERVED_SPECIMEN kinglsey luke 13 CM 12/7/1960
230 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 6768 DUKE 4/13/1930
231 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. Cultivated. PRESERVED_SPECIMEN Joel Lau 1225 Oahu PTBG 7/18/1985
232 Pontederia crassipes Mart. Koloa. In stream crossing Koloa Road near Sueoka Store. PRESERVED_SPECIMEN Tim Flynn 1242 Kauai PTBG 10/3/1985
233 Pontederia crassipes Mart. W. Maui, Ukumehame, near sea level. PRESERVED_SPECIMEN Hank Oppenheimer H50101 Maui PTBG 5/5/2001
234 Pontederia crassipes Mart. university of hawaii, in two ponds near sewage plant & station #3 (herbarium of the university of hawaii) PRESERVED_SPECIMEN l. b. smith 148 Hawaii US 7/30/1976
235 Pontederia crassipes Mart. Punaluu, Kau PRESERVED_SPECIMEN Degener, O. 9768 Hawaii US 4/13/1930
236 Pontederia crassipes Mart. Makawao Dist., disturbed roadside on Halaeakala highway side of Kahana Pond, margins of canal adjacent to SW corner of pond PRESERVED_SPECIMEN Wagner, W. L.; Imada, C. T.; Takeuchi, W. N. 5802 Maui US 3/3/1988
237 Pontederia crassipes Mart. Punaluu; Kau Districti Naturalized and common in pond between houses and ocean. PRESERVED_SPECIMEN Degener, O. 9768 Hawaii BISH 4/13/1930
238 Pontederia crassipes Mart. U. H. Campus, St. John Hall, in the courtyard. PRESERVED_SPECIMEN Lau, J. 1225 Oahu US 7/18/1985
239 Pontederia crassipes Mart. makawao dist., disturbed roadside on halaeakala highway side of kahana pond, margins of canal adjacent to sw corner of pond PRESERVED_SPECIMEN w. l. wagner, c. imada & w. n. takeuchi 5802 Maui US 3/3/1988
240 Pontederia crassipes Mart. punaluu, kau PRESERVED_SPECIMEN o. degener 9768 Hawaii US 4/13/1930
241 Pontederia crassipes Mart. east maui, makawao district, on haleakala highway side of kanaha pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN wagner, w.l. imada, c.; takeuchi, w. collector number: 5802 Maui BISH 3/3/1988
242 Pontederia crassipes Mart. Laie; BYU-Hawaii campus Floating on pools. PRESERVED_SPECIMEN Mackelprang, J. 186 Oahu BISH 4/1/1977
243 Pontederia crassipes Mart. u. h. campus, st. john hall, in the courtyard. PRESERVED_SPECIMEN j. lau 1225 Oahu US 7/18/1985
244 Pontederia crassipes Mart. University of Hawaii, in two ponds near sewage plant & station #3 (Herbarium of the University of Hawaii) PRESERVED_SPECIMEN Smith, L. B. 148 Hawaii US 7/30/1976
245 Pontederia crassipes Mart. PRESERVED_SPECIMEN otto degener 9768 WIS 4/13/1930
246 Pontederia crassipes Mart. laie; byu-hawaii campus Floating on pools. PRESERVED_SPECIMEN mackelprang, j. collector number: 186 Oahu BISH 4/1/1977
247 Pontederia crassipes Mart. Honolulu: Manoa Valley; University of Hawaii Manoa Campus; courtyard of St. John Hall Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
248 Pontederia crassipes Mart. Honolulu; Univ. of Hawaii-Manoa campus, St. John Hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN Lau, J. 1225 Oahu BISH 7/18/1985
249 Pontederia crassipes Mart. Laie; Laie Cemetery Floating on water. PRESERVED_SPECIMEN CT-41 Oahu BISH 4/2/1975
250 Pontederia crassipes Mart. laie Rare. PRESERVED_SPECIMEN kamae, k.k. collector number: 45 Oahu BISH 5/3/1967
251 Pontederia crassipes Mart. laie; fish farms behind laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN herbst, d.r. ishikawa, s.; spence, g. collector number: 5281 Oahu BISH 4/21/1975
252 Pontederia crassipes Mart. honolulu; univ. of hawaii-manoa campus, st. john hall, in the courtyard Floating on water in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1225 Oahu BISH 7/18/1985
253 Pontederia crassipes Mart. Kaaawa; Mouth of Kaaawa Stream Abundantly established. PRESERVED_SPECIMEN St. John, H. 13313 Oahu BISH 7/19/1933
254 Pontederia crassipes Mart. East Maui, Makawao District, On Haleakala Highway side of Kanaha Pond Disturbed roadside along highway; dominated by grasses, Pluchea indica and P. symphytifolia. Floating at margins of canal adjacent to SW corner of pond. PRESERVED_SPECIMEN Wagner, W.L. 5802 Maui BISH 3/3/1988
255 Pontederia crassipes Mart. Keolu Hills, Kailua, Oahu, Hawaii Cultivated in open pond, floating on water surface. PRESERVED_SPECIMEN Crago, L.M. 2005-145 Oahu BISH 3/26/2005
256 Pontederia crassipes Mart. beach nw of kahului Growing in muddy pond. PRESERVED_SPECIMEN fosberg, f.r. collector number: 9823a Maui BISH 8/17/1933
257 Pontederia crassipes Mart. Beach NW of Kahului Growing in muddy pond. PRESERVED_SPECIMEN Fosberg, F.R. 9823a Maui BISH 8/17/1933
258 Pontederia crassipes Mart. near sewage plant and station #3 for harvesting PRESERVED_SPECIMEN smith, l.b. collector number: 148 Maui BISH 7/30/1976
259 Pontederia crassipes Mart. waipio, hamakua district; waipio stream Along banks of stream and in water. PRESERVED_SPECIMEN st.john, h. collector number: 24011 Hawaii BISH 1/1/1950
260 Pontederia crassipes Mart. Laie; Fish farms behind Laie Rooted in mud in water-filled slough. PRESERVED_SPECIMEN Herbst, D.R. 5281 Oahu BISH 4/21/1975
261 Pontederia crassipes Mart. Waipio, Hamakua District; Waipio Stream Along banks of stream and in water. PRESERVED_SPECIMEN St. John, H. 24011 Hawaii BISH 1/1/1950
262 Pontederia crassipes Mart. Along Schofield-Waikane trail UNKNOWN Oahu HAPI 12/31/1996
263 Pontederia crassipes Mart. O????ahu, East Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
264 Pontederia crassipes Mart. Punahou School, Honolulu, HI, US UNKNOWN Hawaii HAPI 12/31/1996
265 Pontederia crassipes Mart. Honolulu UNKNOWN Oahu HAPI 12/31/2015