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Microsorum grossum

Maire Tūtae-puaka

Unscented Oak-leaf Fern

Multimedia & Additional Resources

Type	Description	Download
Image:	Frond, and sori detail	85KB
Image:	One-leaf form (Manihiki)	65KB

General Information

COMMON NAMES: Unscented Oak-leaf Fern, Wart Fern

TRADITIONAL NAMES: Maire Tūtae-puaka (RR), Pōkā‘ara (MG), Tūrei Mangamanga (AT MK MT), Maire ‘Enua (AK), Maire / Oro (PL), Maile Lau Kōtaha (TS), Maire Rau Kōtaha (TW), Maire (MH RK), Maile (PK NS); Other Polynesian - Lau ‘Autā / Lau Mangamanga (SAM)

GLOBAL DISTRIBUTION: NATIVE ? - Samoa - Pitcairn

COOK ISLANDS STATUS: Native; S.Group - widespread; N.Group - widespread; Land, lowlands - mountains (++++)

SIGNIFICANCE LIST: Medicine, Ornamental fern

Cook Islands Distribution

View Distribution Map

Southern Group: Present Makatea: Present
RR	MG	AT	MK	MT	AK	PL	TK	MN
++++	++++	++++	+++	P	++++	P	P	P

Northern Group: Present
TN	MH	RK	PK	NS	SW
++++	P	P	++++	P	P

Key to Symbols

blank	no data
-	absent	L	localised
X	extinct 'naturally'	W	widespread
XQi	quarantine intercepted	R	recent
XQe	eradicated	?	query preceding category
P	present	T?	taxonomic query
S	seasonal	nn	present, said to have no name
O	occasional	?1	present, name not investigated
++++	very common	?2	presence not verified, no name recorded
+++	common	N/A	absent, name not expected
++	uncommon
+	rare
Cook Islands islands: RR =Rarotonga, MG = Mangaia, AT =‘Ātiu, MK=Ma‘uke, MT=Miti‘āro, AK=Aitutaki, PL=Palmerston, PN=Penrhyn, MN=Manuae, TK=Takūtea, TN=Tongareva (TS=Tongaleva Spoken, TW=Tongareva Written, they say "el" but write "r"), MH=Manihiki, RK=Rakahanga, PK=Pukapuka, NS=Nassau, SW=Suwarrow. After a Polynesian name: ^=orthography query. Countries and other: FIJ=Fiji, WT=Wallis & Futuna, SAM=Samoa, TON=Tonga, NIU=Niue, CK=Cook Islands, CKM=Cook Islands Māori, FP=French Polynesia, AUS=Australs, SOC=Societies, TAH=Tahiti, TUA=Tuamotus, MQS=Marquesas, MNG=Mangareva, PIT=Pitcain group, EAS=Easter Island, HAW=Hawai‘i, NZ=New Zealand, NZM=New Zealand Māori

Scientific Taxonomy

Microsorum grossum (Langsd. & Fisch.)
SYNONYMS: Microsorium grossum [alternate spelling]; Phymatosorus grossus; Phymatodes scolopendria [mis-ID, Australia - Fiji]; Pymatosorus scolopendria [mis-ID]; Polypodium phymatodes [as in TC]; Polypodium scolopendria [mis-ID, incl. GW];

TAXONOMY: PLANTAE; PTERIDOPHYTA (=Pterophyta); Polypodiales; POLYPODIACEAE. COMMENT: Microsorum is sometimes placed in Family Drynariaceae.

Vouchers & References

Vouchers:
Pukapuka: fieldspecimen+photo, 2/2004, widespread on ground, old stumps and base of trees, ID GMcC.

References:
p.27 Neal - In Gardens of Hawaii
p.374a Whistler - Ethnobotany of the Cook Islands

Data Update History (information):
zTX, zB02, zupB04b, zM04b

Web Resources

Citation Information

McCormack, Gerald (2007) Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Online at http://cookislands.bishopmuseum.org.
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