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Gamochaeta pensylvanica

(Willd.) Cabrera (1961)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Asteraceae Genus: Gamochaeta

cudweed, Pennsylvania cudweed

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Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves: Cauline and basal. Margins sinuate.

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Lana'i Naturalized
Kaho'olawe Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Bol. Soc. Argent. Bot. 9: 375 (1961)

Other References

Wagner et al. 1990:321 (K, O, Mo, L, M, Ka, H [as Gnaphalium purpureum]); Alford 2012:2, 3, 4 (Le, KEY, Gnaphalium purpureum misapplied, in part = Gamochaeta pensylvanica)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Gamochaeta pensylvanica Koko Crater, Maunalua Preserved_Specimen St.John, H. 10406 Oahu BISH 1930-02-28
2 Gamochaeta pensylvanica Hawaii National Park, CCC Camp Preserved_Specimen Fagerlund, G.O. 73 Hawaii BISH 1942-11-02
3 Gamochaeta pensylvanica Holokaiea Gulch Preserved_Specimen Rock, J.F.C. 4621 Hawaii BISH 1909-07-09
4 Gamochaeta pensylvanica unknown Preserved_Specimen Forbes, C.N. BISH 1920-01-01
5 Gamochaeta pensylvanica unknown Preserved_Specimen van Zwaluwenburg, R.H. BISH 1945-03-09
6 Gamochaeta pensylvanica On Tantalus rd Preserved_Specimen Egler, F.E. 37241 Oahu BISH 1937-04-07
7 Gamochaeta pensylvanica Lanai City Preserved_Specimen Degener, O. 28408 Lanai BISH 1963-08-21
8 Gamochaeta pensylvanica Lua Kealialalo (crater with standing water in center of western third of island Growing in shade of Prosopis pallida trees with numerous species of introduced plants such as Panicum maximum & Bidens pilosa. Preserved_Specimen Cuddihy, L.W. 353 Kahoolawe BISH 1980-04-22
9 Gamochaeta pensylvanica Puu Papapa paddock Waikii, S Kohala Preserved_Specimen Hosaka, E.Y. 2080 Hawaii BISH 1938-05-24
10 Gamochaeta pensylvanica Limahuli Garden, 0.4 mi from end of Hwy. 56 Preserved_Specimen Wagner, W.L. 5157 Kauai BISH 1983-12-21
11 Gamochaeta pensylvanica Manoa Campus, University of Hawaii, Honolulu Preserved_Specimen Swarbrick, J.T. 17 Oahu BISH 1976-01-04
12 Gamochaeta pensylvanica Kaluamakani, slopes of Mauna Kea Preserved_Specimen Rock, J.F.C. 3133 Hawaii BISH 1909-07-01
13 Gamochaeta pensylvanica Na Pali Coast, along trail between Kalalau and Hanakoa Valleys Growing on eroded slope. Preserved_Specimen Corn, C. 177 Kauai BISH 1980-04-09
14 Gamochaeta pensylvanica Along Punahou St Common roadside weed. Preserved_Specimen Herbst, D.R. 5269 Oahu BISH 1975-04-07
15 Gamochaeta pensylvanica S Kona Distr. Kealakekua Ahu. Tr 60(35); W slopes of Mauna Loa; 3-4 km S of Kipuka Mamani & Waiio Kipuka Dry koa-mamane community with an exotic grass & scattered native shrub understory. Growing on pahoehoe. Preserved_Specimen Warshauer, F.R. 2052 Hawaii BISH 1978-09-04
16 Gamochaeta pensylvanica NW part of island, above Makaalae Point Occasional occurrence in Prosopis scrub. Preserved_Specimen Cuddihy, L.W. 326 Kahoolawe BISH 1980-04-21
17 Gamochaeta pensylvanica Limahuli Valley. PTBG Common weed along plantings. Preserved_Specimen Flynn, T.W. 791 Kauai BISH 1984-03-03
18 Gamochaeta pensylvanica On the way to Moaula, in grassland In Andropogon pertusus grassland. Preserved_Specimen Char, W.P. 78.015 Kahoolawe BISH 1978-11-21
19 Gamochaeta pensylvanica Kiei Islet on N slope Occasional. Scattered plants on N slope. Preserved_Specimen Starr, F. 6040615 Lanai BISH 2006-04-06
20 Gamochaeta pensylvanica Mauna Loa. Puu Nana Common in pasture, scattered. Preserved_Specimen Wagner, W.L. 1847 Molokai BISH 1984-01-01
21 Gamochaeta pensylvanica Occasional along the coast from Makaalae to Honokoa Bay. Growing in full sun within the open areas of a Prosopis pallida scrub Growing in full sun within the open areas of a Prosopis pallida scrub. Preserved_Specimen Clarke, G. 366 Kahoolawe BISH 1980-04-21
22 Gamochaeta pensylvanica Molokini Islet Rare. Observed towards the center of the islet on margin of open area towards the lower portion near ocean. Preserved_Specimen Starr, F. 6040509 Maui BISH 2006-04-05
23 Gamochaeta pensylvanica Mokulua, N islet Rock ledges on steep slopes. Preserved_Specimen Fosberg, F.R. 12939 Oahu BISH 1936-02-16
24 Gamochaeta pensylvanica W Maui, Lahaina District, Olowalu On recently burned, arid slope. Preserved_Specimen Oppenheimer, H.L. 10211 Maui BISH 2002-01-21
25 Gamochaeta pensylvanica [Hawaiian Islands; U.S.A.; Hawaii In open pasture. Preserved_Specimen BISH 1984-01-01
26 Gamochaeta pensylvanica Bishop Museum by AC condensor units of collections building Sunny area, from gravel Preserved_Specimen Faccenda, K. 1893 Oahu BISH 2021-05-25
27 Gamochaeta pensylvanica Puuhonua o Honaunau National Historical Park Area highly modified by ancient Polynesians. Preserved_Specimen Higashino, P.K. 10326 Hawaii BISH 1984-04-08
28 Gamochaeta pensylvanica South Kohala District. Collected east of Queen Kaahumanu Highway between Mauna Lani Drive and Puako turn off Dry area with scant vegetation; open grassland with scattered Prosopis pallida. Preserved_Specimen Funk, E.J. Hawaii BISH 1991-02-04
29 Gamochaeta pensylvanica Puuwaawaa In disturbed pasture land at base of cliffs below Puu Hul Preserved_Specimen Herbst, D.R. 5295 Hawaii BISH 1975-05-02
30 Gamochaeta pensylvanica East Maui, Makawao District, Ulupalakua Occasionally in pasture. Preserved_Specimen Hosaka, E.Y. 1797 Maui BISH 1937-04-13
31 Gamochaeta pensylvanica Kualapuu Shaded place in door yard. Preserved_Specimen Fosberg, F.R. 29561 Molokai BISH 1948-02-22
32 Gamochaeta pensylvanica Lua Kealialalo Crater with standing water in center of western third of the island. Common in damp area beneath Prosopis trees growing with numerous other species of introduced plants. Preserved_Specimen Cuddihy, L.W. 355 Kahoolawe BISH 1980-04-22
33 Gamochaeta pensylvanica [Hawaiian Islands; U.S.A.; Molokai; Hawaii; Maui Occasionally on inner slope. Preserved_Specimen Hobdy, R.W. 1239 Molokai BISH 1982-02-14
34 Gamochaeta pensylvanica Honouliuli, Waianae Mts., Pohakea Pass Dry Lantana covered slope. Preserved_Specimen Fosberg, F.R. 9475 Oahu BISH 1933-05-21
35 Gamochaeta pensylvanica Lua Kealialalo (crater with standing water in center of western third of island Common in damp area beneath Prosopis trees. Growing with numerous other species of introduced plants. Preserved_Specimen Cuddihy, L.W. 355 Kahoolawe BISH 1980-04-22
36 Gamochaeta pensylvanica University of Hawaii campus Preserved_Specimen Degener, O. 18446 Oahu BISH 1927-03-21
37 Gamochaeta pensylvanica N Kohala, below Kohala Ranch house Preserved_Specimen Hosaka, E.Y. 2301 Hawaii BISH 1938-06-11
38 Gamochaeta pensylvanica Paauhau 3, Parker Ranch Preserved_Specimen Rock, J.F.C. 31443 Hawaii BISH 1909-07-06
39 Gamochaeta pensylvanica Kaimuki, Wilhelmina Rise & Waialae Ave Preserved_Specimen Egler, F.E. 3755 Oahu BISH 1937-03-24
40 Gamochaeta pensylvanica Mokapu Peninsulaa, Pyrammid Rock, Heeia Flats, Heleloa, lava hill Preserved_Specimen Fosberg, F.R. 10562 Oahu BISH 1933-03-24
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