familyThelypteridaceae
genusThelypteris
subgenusThelypteris subg. Cyclosorus
speciesThelypteris patens

Thelypteris patens

(Swartz) Small

Ferns S. E. States 243. 1938.

Alan R. Smith
Common names: Grid-scale maiden fern
Basionym: Polypodium patens Swartz Prodr., 133. 1788
Synonyms: Christella patens (Swartz) Holttum Cyclosorus arcuatus (Poiret) Alston Dryopteris patens (Swartz) Kuntze
Treatment appears in FNA Volume 2.

Distribution

Fla., s Mexico, West Indies in the Antilles, Central America, South America to s Brazil and n Argentina

Discussion

Varieties 3 (1 in the flora).

Selected References

None.

Lower Taxa

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Antheridium architecture
3-celled +
Apex architecture
pinnalike +
Apex size
reduced +
Author
Alan R. Smith +
Authority
(Swartz) Small +
Basionyms
Polypodium patens +
Blade architecture or shape
2-pinnate +
Blade shape
pinnate-pinnatifid +
Bud presence
absent +
Common name
Grid-scale maiden fern +
Costa architecture
grooved +
Distribution
Fla. +, s Mexico +, West Indies in the Antilles +, Central America +  and South America to s Brazil and n Argentina +
Gametophyte coloration
green +
Gametophyte pubescence
glandular +  and hairy +
Gametophyte shape
cordate +
Groove architecture
not continuous +
Hair architecture
branched +  and simple +
Hair architecture or shape
needlelike +
Hair arrangement or shape
stellate +
Hair coloration
transparent +
Hair indument variability
various +
Hair quantity
lacking +
Hair shape
hooked +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Indusium duration
ephemeral +  and persistent +
Indusium presence
absent +
Indusium shape
round-reniform +
Indusium size
small +  and large +
Leaf architecture
monomorphic +
Leaf duration
evergreen +
Leaf growth form
dimorphic +
Number of lower taxa
1 +
Perispore architecture
reticulate +  and echinate +
Perispore prominence
prominent +
Perispore shape
crested +
Pinna architecture
short-stalked +  and sessile +
Pinna shape
Entire (Deeply pinnatifid) +
Proximal pinna length
shortened +
Proximal pinna size
not +  and reduced +
Publication title
Ferns S. E. States +
Publication year
1938 +
Rachis architecture
grooved +
Reference
None +
Sorus position
Commonly medial (Supramedial) +
Sorus shape
elongate +, oblong +  and round +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V2/V2 629.xml +
Sporangial capsule pubescence
hairy +  and glabrous +
Spore architecture
monolete +
Spore arrangement
bilateral +
Stem architecture or pubescence
scaly +
Stem diam
0.15 cm1.5 mm <br />0.0015 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Stem growth form or orientation
short-creeping +
Stem orientation
long-creeping;ascending +
Synonyms
Christella patens +, Cyclosorus arcuatus +  and Dryopteris patens +
Taxon family
Thelypteridaceae +
Taxon name
Thelypteris patens +
Taxon parent
Thelypteris subg. Cyclosorus +
Taxon rank
species +
Vascular-bundle quantity
2 +
Vascular-bundle shape
crescent--shaped +
Vein architecture
simple +  and anastomosing +
Vein fusion
free +
Veinlet fusion
free +
Volume
Volume 2 +
Whole-organism length or size
long +
Whole-organism prominence
distinguished +
Whole organism growth form
plant +
Whole organism growth form or habitat
on rock +  and terrestrial +
X chromosome quantity
36 +