american samoa - University of Hawaii at Manoa

171 ; Setchell 393; Christophersen 1029, 353 1;
Whistler2717, 3551, 8481,9061,9194.
Cyathea vaupelii Copeland
[tree fern] olioli
'I'rue fcrn with large fronds, smooth rachises,
bipinnale lamina with pinnules lobed to the costules,
oblong lobes mostly 4-5 mm wide, and conspicuous
indusia. Occasional in lowland to montane forest,
reported from 50 to 820 m elevation. Endemic.
Reinecke 89d; Setchell 2, 225; McMullin 14; Eames
'r2 1 ; Christophersen 3546; Yuncker 9430; Whistler
3550, 8517!, 8674!, 8901!.
DAVALLIACEAE
Arthropteris repens (Bracken.) Christen.
Epiphytic or terrestrial fern (typically on lower tree
trunks) with a long-creeping, thin rhizome, pinnate
fronds up to 30 x 5 cm, and sori between the costa
and the margin. Common in lowland to cloud
forest, reported from near sea level to 1500 m
elevation. Indigenous, ranging from Borneo to
Samoa. Reinecke s.n.; Whistler 3532, 8578!, 9123.
Davallia epiphylla (Forst. f.) Spreng.
Terrestrial or epiphytic fern with a widely creeping
rhizome covered with hairlike scales, lamina broadly
deltoid, 4-5-pinnate, fertile segments bifid at the
apex, sori immersed, and an indusium with a free
acuminate tip. Common in lowland to montane for-
est, reported from near sea level to 650 m elevation.
Indigenous, ranging from Fiji to Tahiti. McMullin
12; Setchell 36; Wilder s.n.; Yuncker 9303; Long
1978, 3 106; Wisner 58; Kuruc 150; Whistler 3545,
8703,8715!, 8983!, 9154.
*Davallia plumosa Baker
Medium-sized epiphytic fern with a densely scaly,
creeping rhizome, non-ciliate rhizome scales, usual-
ly tripinnate fronds, immersed sori, and cylindrical
indusia with the rounded outer edge reaching the
edge of the segment or a little longer. Uncommon
in the montane to cloud forest, reported from 900 to
1650 m elevation. If the record is correct, this
elevation would have to be down to at least 650 m.
Endemic to Samoa. Reinecke s.n. (ns.). A que-
stionable record.
Davallia solida (Forst. f.) Sw.
Epiphytic fern with a stout, creeping rhizome,
tripinnate to tripinnatifid, deltoid fronds, sori on
terminal subdivisions of lobes, and tubular indusia.
Common in lowland to cloud forest, reported from
near sea level to 1400 m elevation. Indigenous,
ranging from Malaysia to eastern Polynesia.
Reinecke s.n.; McMullin 2 1; Setchell 6 1; Garber
824; Diefenderfer 7; Whistler 2825, 8702!.
Humata heterophylla (Smith) Desv.
Epiphytic fern with a long-creeping rhizome,
dimorphic fronds, simple, lanceolate, finely veined
sterile fronds, lobed fertile fronds having marginal
sori, and thin indusia. Occasional to locally
abundant in lowland to montane forest, reported
from near sea level to 700 m elevation. Indigenous,
ranging from Sumatra to Polynesia. Safford 940;
Setchell 280; Garber 827, 881; Lamoureux 3016;
Long 1966; Whistler 28 19,3016, 8538!.
Humata polypodioides Bracken.
Epiphytic fern with a long-creeping rhizome cov-
ered with appressed, brown scales, uniform pinnate
fronds with lamina and stipe of similar length, and
terminal, submarginal sori covered with an indusium
attached only at the base. Uncommon in lowland to
montane forest, reported from near sea level to 700
m elevation. Indigenous, also found in Fiji and
Vanuatu, and possibly New Guinea. Safford 16;
McMullin 18; Setchell 2 19; Garber 826; Yuncker
9347; Long 1976b; Whistler 2820, 8681 !, 8701 !.
"Humata serrata Bracken.
Epiphytic fern with a long-creeping rhizome cov-
ered with narrow scales, dimorphic, 2-3-pinnate
deltoid fronds, terminal, submarginal sori covered
with an indusium and attached only at the base, and
an acute "horn" extending beyond the sori. Uncom-
mon in montane to cloud forest and montane scrub,
reported from 400 to 1500 m elevation. Indigenous,
also found in New Caledonia, or perhaps endemic to
Samoa. USEE s.n. (n.s.); Powell 136; Whistler
9087.
Nephrolepis biserrata (Sw.) Schott
Medium-sized epiphytic or terrestrial fern with a
short rhizome, erect, pinnate fronds up to 2 m in
length, scales on young stipes, pinnae with crenate
margins lacking an auricle, sori between the margins