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Ver. 19.2
April 17th, 2024

030.0000 Family Pteridaceae E.D.M.Kirchn.; Schul-Bot. 109 (1831)
48 genera, ca. 1350 spp. The family has been split extensively in smaller subgroups, but Smith et al. (2006) and PPG-I argue for keeping them together.
Species listed in database: 1394; hybrids: 62
= Acrostichaceae Mett. ex A.B.Frank; Syn. Pflanzenkd. (Leunis) ed. 2, 3: 1458 (1877), nom. rej.
= Actiniopteridaceae Pic.Serm.; Webbia 17: 5 (1962)
= Adiantaceae Newman; Hist. Brit. Ferns 5 (1840) nom. cons. over Parkeriaceae (1825)
= Anopteraceae Doweld; Tent. Syst. Pl. Vasc. 51 (2001)
= Antrophyaceae (Link) Ching; Acta Phytotax. Sin. 16: 11 (1978)
= Ceratopteridaceae Underw.; Our nat. Ferns ed. 6: 65, 78 (1900)
= Cheilanthaceae B.K.Nayar; Taxon 19: 233 (1970)
= Cryptogrammaceae Pic.Serm.; Webbia 17: 299 (1963)
= Hemionitidaceae Pic.Serm.; Webbia 21: 487 (1966)
= Negripteridaceae Pic.Serm.; Nuov. Giorn. Bot. Ital. ser. 2, 53: 160 (1946)
= Parkeriaceae Hook.; Exot. Fl. 2: t. 147 (1825), nom. rej. in favor of Adiantaceae
= Platyzomataceae Nakai; Bull. Natl. Sci. Mus. (Tokyo) 29: 4 (1950)
= Pteridaceae Reichenb.; Handb. Nat. Pflanzensyst. 138 (1837)
= Sinopteridaceae Koidz.; Acta Phytotax. Geobot. 3: 50 (1934)
= Taenitidaceae (C.Presl) Pic.Serm.; Webbia 29: 1 (1974)
= Vittariaceae Ching; Sunyatsenia 5: 232 (1940)
030.5015 Genus Pentagramma Yatsk., Windham & E.Wollenw.; Amer. Fern J. 80: 15 (1990)
Distribution: W-USA, SW-Canada, NW-Mexico
Species listed in database: 6
species :
Pentagramma glanduloviscida Schuettp. & Windham; Syst. Bot. 40(3): 639 (2015)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Hemionitis glanduloviscida (Schuettp. & Windham) Christenh.; Global Fl. 1(4): 14 (2018)
species :
Pentagramma maxonii (Weath.) Schuettp. & Windham; Syst. Bot. 40(3): 640 (2015)
Name: Maxon´s goldback fern
Distribution: SW-USA (Utah, S-California, Arizona, SW-New Mexico); Mexico (Baja California Norte, Sonora); Isla Guadalupe
76 USA 77 USA 79 GLP MEX
Synonyms: hidden
= Pentagramma triangularis subsp. maxonii (Weath.) Yatsk., Windham & Wollenw.; Amer. Fern J. 80: 16 (1990)
= Pentagramma triangularis var. maxonii (Weath.) Tiehm; J. Bot. Res. Inst. Texas 17(1): 28 (2023)
= Pityrogramma triangularis var. maxonii Weath.; Rhodora 22: 119 (1920)
species :
Pentagramma pallida (Weath.) Yatsk., Windham & Wollenw.; Amer. Fern J. 80: 15 (1990)
Name: Pale Silverback Fern
Distribution: USA (C-California, Sierra foothills)
76 USA
Conservation Status: IUCN V
Synonyms: hidden
= Pityrogramma pallida (Weath.) K.S.Alt & V.E.Grant; Brittonia 12: 168 (1960)
= Pityrogramma triangularis var. pallida Weath.; Rhodora 22: 119 (1920)
species :
Pentagramma rebmanii (Winner & M.G.Simpson) Schuettp. & Windham; Syst. Bot. 40(3): 641 (2015)
Distribution: USA (California: San Diego Co.); Mexico (Baja California Norte)
76 USA 79 MEX
Synonyms: hidden
= Pentagramma triangularis subsp. rebmanii Winner & M.G.Simpson; Madroño 54(4): 345 (2007 publ. 2008)
= Pentagramma triangularis var. rebmanii (Winner & M.G.Simpson) Tiehm; J. Bot. Res. Inst. Texas 17(1): 28 (2023)
species :
Pentagramma triangularis (Kaulf.) Yatsk., Windham & Wollenw.; Amer. Fern J. 80(1): 15 (1990)
subspecies :
subsp. triangularis
Name: Goldback Fern
Distribution: C-Canada (Vancouver Isl.); W-USA (S-California, Channel Isl., N-California, Idaho, Oregon, Washington, Nevada, Arizona, New Mexico); Mexico (Baja California Norte); Isla Guadalupe
71 CDN 73 USA 76 USA 77 USA 79 GLP MEX
Synonyms: hidden
= Ceropteris triangularis (Kaulf.) Underw.; Bull. Torrey Bot. Club 29: 630 (1902)
= Gymnogramma triangularis Kaulf.; Enum. Filic. 73 (1824)
= Gymnopteris triangularis (Kaulf.) Underw.; Our nat. Ferns ed. VI: 84 (1900)
= Hemionitis triangularis (Kaulf.) Christenh.; Global Fl. 1(4): 22 (2018)
= Neurogramma triangularis (Kaulf.) Diels; Engl. & Prantl, Nat. Pflanzenfam. 1(4): 264 (1899)
= Pityrogramma triangularis (Kaulf.) Maxon; Contr. U.S. Natl. Herb. 17: 173 (1913)
subspecies :
subsp. semipallida (J.T.Howell) Yatsk., Windham & Wollenw.; Amer. Fern J. 80: 16 (1990)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Pentagramma triangularis var. semipallida (J.T.Howell) Tiehm; J. Bot. Res. Inst. Texas 17(1): 28 (2023)
= Pityrogramma triangularis var. semipallida J.T.Howell; Leafl. West. Bot. 9: 223 (1962)
= Pityrogramma triangularis var. viridis Hoover; Amer. Fern J. 56: 19 (1966)
species :
Pentagramma viscosa (Nutt. ex D.C.Eaton) Schuettp. & Windham; Syst. Bot. 40(3): 642 (2015)
Name: Silverback fern
Distribution: SW-USA (S-California); Mexico (Baja California Norte)
76 USA 79 MEX
Synonyms: hidden
= Ceropteris viscosa (D.C.Eaton) Underw.; Bull. Torrey Bot. Club 29: 631 (1902)
= Gymnogramma triangularis var. viscosa Nutt. ex D.C.Eaton; Ferns N. Amer. 2: 16, t. 48, f. 5 (1881)
= Gymnogramma viscosa Nutt. ex D.C.Eaton; Ferns N. Amer. 2: 16 (1879)
= Hemionitis viscosa (Schuettp. & Windham) Christenh.; Global Fl. 1(4): 23 (2018)
= Pentagramma triangularis subsp. viscosa (Nutt. ex D.C.Eaton) Yatsk., Windham & Wollenw.; Amer. Fern J. 80: 16 (1990)
= Pentagramma triangularis var. viscosa (D.C.Eaton) Tiehm; J. Bot. Res. Inst. Texas 17(1): 28 (2023)
= Pityrogramma triangularis var. viscosa (D.C.Eaton) Weath.; Rhodora 22: 117 (1920)
= Pityrogramma viscosa (D.C.Eaton) Maxon; Contr. U.S. Natl. Herb. 17: 173 (1913)
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A complete, synonymic checklist of the Higher Plants of the World

Version 19.2 (April 17th, 2024)

Covering 354,696 accepted species,
8,644 hybrids, 47,758 accepted infraspecific taxa and 996,379 synonyms,
in total 1,407,477* names

[*about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]

With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 38,290 pictures of 15,532 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life