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Ver. 19.2
April 17th, 2024

512.0000 Family Asteraceae Dumort.; Comment. Bot. 55 (1822)
1620 genera, ca. 29.000 spp. (35.000 spp. incl. microspecies). Systematics taken mostly from Funk et al. (2009, 2020) and other recent publications
Species listed in database: 35235; hybrids: 679
= Acarnaceae Link; (1829)
= Ambrosiaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820), nom. cons.
= Anthemidaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Aposeridaceae Raf.; New Fl. N. Amer. 4: 106 (1838)
= Arctotaceae Bessey; Nebraska Univ. Stud. 14: 107 (1914)
= Arctotidaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Artemisiaceae Martinov; Tekhno-Bot. Slovar: 48 (1820)
= Athanasiaceae Martinov; Tekhno-Bot. Slovar: 56 (1820)
= Calendulaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Carduaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Carlinaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Centaureaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Cichoriaceae Juss.; Gen. Pl.: 168 (1789), nom. cons.
= Cnicaceae Vest; Anleit. Stud. Bot.: 273, 297 (1818)
= Compositae Giseke; Prael. Ord. Nat. Pl.: 538 (1792), nom. cons.
= Coreopsidaceae Link; Handbuch 1: 768 (1829)
= Cynaraceae Burnett; Outlines Bot.: 926, 931, 1094, 1111 (1835)
= Echinopaceae Bercht. & J.Presl; Prir. Rostlin: 255 (1820)
= Eupatoriaceae Bercht. & J.Presl; Prir. Rostlin: 253 (1820)
= Gnaphaliaceae Link ex F.Rudolphi; Syst. Orb. Veg.: 46 (1830)
= Grindeliaceae Rchb. ex A.Heller; Muhlenbergia 2: 330 (1907)
= Heleniaceae Raf.; Cincinnati Lit. Gaz. 2: 28 (1824)
= Helianthaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Helichrysaceae Link; Handbuch 1: 712 (1829)
= Inulaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Ivaceae Raf.; Fl. Tellur. 1: 31 (1837)
= Lactucaceae Drude; J. A. Schenk, Handb. Bot. 3(2): 369 (1886)
= Lapsanaceae Martinov; (1820)
= Madiaceae A.Heller; Muhlenbergia 2: 332 (1907)
= Matricariaceae Voigt; Hort. Suburb. Calcutt.: 400 (1845)
= Mutisiaceae Burnett; Outlines Bot.: 934, 935, 1094, 1111 (1835)
= Nassauviaceae Burmeist.; Handb. Naturgesch.: 290 (1836)
= Partheniaceae Link; Handbuch 1: 816 (1829)
= Perdiciaceae Link; Handbuch 1: 728 (1829)
= Picridaceae Martinov; Tekhno-Bot. Slovar: 482 (1820)
= Santolinaceae Martinov; Tekhno-Bot. Slovar: 560 (1820)
= Senecionaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Serratulaceae Martinov; Tekhno-Bot. Slovar: 577 (1820)
= Tanacetaceae Vest; Anleit. Stud. Bot.: 273, 298 (1818)
= Tussilagaceae Bercht. & J.Presl; Prir. Rostlin: 254 (1820)
= Vernoniaceae Burmeist.; Handb. Naturgesch.: 296 (1836)
= Xanthiaceae Vest; Anleit. Stud. Bot.: 273, 298 (1818)
= Xeranthemaceae Döll; Rhein. Fl.: 498 (1843)
512.8370 Genus Layia Hook. & Arn. ex DC.; Prodr. [A. DC.] 7(1): 294 (1838)
Distribution: mostly California, 2 to Baja California Norte, 1 SW-USA widespread
Species listed in database: 15
= Calliachyris Torr. & A.Gray; Boston J. Nat. Hist. 5: 110 (1845)
= Callichroa Fisch. & C.A.Mey.; Index Seminum (LE, Petropolitanus) 2: 31 (1836)
= Calliglossa Hook. & Arn.; Bot. Beechey Voy.: 356 (1839)
= Eriopappus Arn.; Lindl., Intr. Nat. Syst. Bot., ed. 2: 443 (1836)
= Madaroglossa DC.; Prodr. [A. DC.] 5: 694 (1836)
= Oxyura DC. ex Lindl.; Edwards´s Bot. Reg. 22: t. 1850 (1836)
= Tollatia Endl.; Gen. Pl.: 428 (1838)
= Urostylis Meisn.; Pl. Vasc. Gen.: 207 (1839)
species :
Layia carnosa (Nutt.) Torr. & A.Gray; Fl. N. Am. 2: 394 (1843)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Blepharipappus carnosus (Nutt.) Greene; Pittonia 2: 246 (1892)
= Madaroglossa carnosa Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 393 (1840)
species :
Layia chrysanthemoides (DC.) A.Gray; Proc. Amer. Acad. Arts 7: 360 (1868)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Blepharipappus chrysanthemoides (DC. ex Lindl.) Greene; Pittonia 2: 247 (1892)
= Blepharipappus douglasii (Hook. & Arn.) Greene; Pittonia 2: 247 (1892)
= Blepharipappus douglasii var. oligochaeta Greene; Man. Bot. San Francisco: 201 (1894)
= Callichroa douglasii (Hook. & Arn.) Torr. & A.Gray; Fl. N. Amer. 2: 396 (1843)
= Calliglossa douglasii Hook. & Arn.; Bot. Beechey Voy.: 356 (1839)
= Hartmannia ciliata DC.; Prodr. [A. DC.] 5: 694 (1836)
= Hemizonia ciliata (DC.) Torr. & A.Gray; Fl. N. Am. 2: 398 (1842)
= Layia calliglossa A.Gray; Mem. Amer. Acad. Arts, n.s. 4(1): 103 (1849)
= Layia calliglossa var. oligochaeta A.Gray; S. Wats., Bot. California 1: 370 (1876)
= Layia chrysanthemoides subsp. maritima D.D.Keck; Aliso 4: 106 (1958)
= Oxyura chrysanthemoides DC.; Prodr. [A. DC.] 5: 693 (1836)
= Oxyura douglasii (Hook. & Arn.) E.Mey.; Index Seminum (KALI, Regimontanum) 1845: 5 (1845)
= Tollatia chrysanthemoides (DC.) Endl.; Cat. Horti Vindob. 1: 353 (1842) ex Walp., Rep. 2: 631 (1847)
species :
Layia discoidea D.D.Keck; Aliso 4: 106 (1958)
Distribution: USA (California)
76 USA
species :
Layia erubescens B.G.Baldwin; Madrono 69(1): 88 (2022)
Distribution: USA (California)
76 USA
species :
Layia fremontii (Torr. & A.Gray) A.Gray; Mem. Am. Acad. N. S. 4: 103 (1849)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Blepharipappus fremontii (Torr. & A.Gray) Greene; Pittonia 2: 246 (1892), et Man. Bot. San Franc. Bay 201 (1894)
= Calliachyris fremontii Torr. & A.Gray; J. Bost. Soc. Nat. Hist. 5: 110 (1844)
species :
Layia gaillardioides Hook. & Arn.; Bot. Beech. Voy. 148 (1833), as ´galardioides´
Distribution: USA (California)
76 USA
Synonyms: hidden
= Aspilia laxa (DC.) S.F.Blake; Contr. Gray Herb. 54: 187 (1918)
= Blepharipappus gaillardioides (Hook. & Arn.) Greene; Pittonia 2: 246 (1892), et Man. Bot. San Franc. Bay 200 (1894)
= Blepharipappus nemorosus Greene; Man. Bot. San Francisco: 200 (1894)
= Caenotus longifolius (Cass.) Raf.; Fl. Tellur. 2: 50 (1837)
= Conyza tuberosa Lam. ex Steud.; Nomencl. Bot., ed. 2, 1: 415 (1840), nom. inval.
= Dumerilia auriculata Steud.; Nomencl. Bot. 1: 287 (1821)
= Dumerilia crenata Steud.; Nomencl. Bot. 1: 287 (1821)
= Erigeron longifolius (Cass.) Desf.; Tabl. École Bot., ed. 3: 400 (1829)
= Gynura cacalioides (Less.) Fern.-Vill.; Blanco, Fl. Filip. ed. 3. 4(13A): 120 (1880)
= Layia nemorosa (Greene) Jeps.; Fl. W. Calif.: 448 (1911)
= Leontodon taraxacum var. alpestris Gaudin; Fl. Helv. 5: 63 (1829)
= Porophyllum cacalioides (Less.) DC.; Prodr. [A. DC.] 5: 650 (1836)
= Tridax galardioides Hook. & Arn.; Bot. Beechey Voy.: 148 (1833)
= Urostylis gaillardioides (Hook. & Arn.) Meisn.; Gen. 207, Comm. 133 (1839)
species :
Layia glandulosa (Hook.) Hook. & Arn.; Bot. Beech. Voy. Suppl. 358 (1839)
Distribution: USA (Arizona, California, Idaho, New Mexico, Oregon, Utah, Washington); Mexico (Baja California Norte)
73 USA 76 USA 77 USA 79 MEX
Synonyms: hidden
= Blepharipappus glandulosus Hook.; Fl. Bor. Am. 1: 316 (1833)
= Blepharipappus hispidus (Greene) Greene; Pittonia 2: 246 (1892)
= Blepharipappus neomexicanus Greene; Pittonia 3: 168 (1897)
= Blepharipappus oreganus Greene; Pittonia 2: 246 (1892)
= Eriopappus glandulosus (Hook.) Arn.; Lindl., Intr. Nat. Syst. Bot., ed. 2: 443 (1836)
= Layia douglasii Hook. & Arn.; Bot. Beechey Voy.: 358 (1839)
= Layia glandulosa subsp. lutea D.D.Keck; Madroño 3: 18 (1935)
= Layia glandulosa var. hispida (Greene) Jeps.; Man. Fl. Pl. Calif.: 1101 (1925)
= Layia glandulosa var. lutea (D.D.Keck) Hoover; Vasc. Pl. San Luis Obispo Co., Calif. 285 (1970)
= Layia glandulosa var. rosea A.Gray; S. Wats., Bot. California 1: 368 (1876)
= Layia hispida Greene; Pittonia 2: 20 (1889)
= Layia neomexicana A.Gray; Smithsonian Contr. Knowl. 5(6): 98 (1853)
= Madaroglossa angustifolia DC.; Prodr. [A. DC.] 5: 694 (1836)
species :
Layia heterotricha (DC.) Hook. & Arn.; Bot. Beech. Voy. Suppl. 358(1839)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Blepharipappus glandulosus var. heterotrichus (DC.) Jeps.; Fl. W. Calif.: 536 (1901)
= Blepharipappus graveolens (Greene) Greene; Pittonia 2: 246 (1892), et Man. Bot. San Franc. Bay 200 (1894)
= Blepharipappus heterotrichus (DC.) Greene; Pittonia 2: 245 (1892)
= Layia glandulosa var. heterotricha (DC.) H.M.Hall; Univ. Calif. Publ. Bot. 3: 157 (1907)
= Layia graveolens Greene; Bull. Calif. Acad. 1: n. III. 92 (1885)
= Layia heterotricha var. major A.Gray; Syn. Fl. N. Amer. 1(2, Suppl.): 451 (1886)
= Madaroglossa heterotricha DC.; Prodr. [A. DC.] 5: 694 (1836)
species :
Layia hieracioides (DC.) Hook. & Arn.; Bot. Beech. Voy. Suppl. 358 (1839)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Blepharipappus hieracioides (DC.) Greene; Pittonia 2: 246 (1892), et Man. Bot. San Franc. Bay 200 (1894)
= Blepharipappus hieracioides f. anomala Bioletti; Erythea 1: 69 (1893)
= Blepharipappus hieracioides Greene; Pittonia 2: 246 (1892)
= Blepharipappus hieracioides var. anomala Bioletti; Man. Bot. San Francisco: 200 (1894)
= Layia paniculata D.D.Keck; Aliso 4: 107 (1958)
= Madaroglossa hieracioides DC.; Prodr. [A. DC.] 5: 694 (1836)
species :
Layia jonesii A.Gray; Proc. Amer. Acad. Arts 19: 18 (1883)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Blepharipappus jonesii (A.Gray) Greene; Pittonia 2: 247 (1892)
= Callichroa jonesii (A.Gray) Greene; Pittonia 2: 228 (1892)
species :
Layia leucopappa D.D.Keck; Madrono 3: 17 (1935)
Distribution: USA (California)
76 USA
species :
Layia munzii D.D.Keck; Madrono 3: 16 (1935)
Distribution: USA (California)
76 USA
species :
Layia pentachaeta A.Gray; Pacif. Rail. Rep. 4: 108. t. 16 (1857)
subspecies :
subsp. pentachaeta
Distribution: USA (California)
76 USA
Synonyms: hidden
= Blepharipappus pentachaetus (A.Gray) Greene; Pittonia 2: 246 (1892)
= Layia pentachaeta var. hansenii Jeps.; Madroño 1: 201 (1929)
subspecies :
subsp. albida D.D.Keck; Aliso 4: 107 (1958)
Distribution: USA (California)
76 USA
Synonyms: hidden
= Layia pentachaeta var. albida (D.D.Keck) Hoover; Vasc. Pl. San Luis Obispo Co., Calif. 286 (1970)
species :
Layia platyglossa (Fisch. & C.A.Mey.) A.Gray; Mem. Am. Ac. N. S. 4: 103 (1849)
Name: Coastal Tidy Tips
Distribution: USA (California); Mexico (Baja California Norte); +Isla Guadalupe
76 USA 79 GLP MEX
Synonyms: hidden
= Blepharipappus elegans (Nutt.) Greene; Pittonia 2: 246 (1892)
= Blepharipappus platyglossus (Fisch. & C.A.Mey.) Greene; Pittonia 2: 246 (1892), et Man. Bot. San Franc. Bay 201 (1894)
= Callichroa angustifolia (Nutt.) Walp.; Repert. Bot. Syst. 2: 632 (1847)
= Callichroa hirsuta (Nutt.) Walp.; Repert. Bot. Syst. 2: 632 (1847)
= Callichroa platyglossa Fisch. & C.A.Mey.; Ind. Sem. Hort. Petrop. 2: 31 (1835)
= Layia elegans (Nutt.) Torr. & A.Gray; Fl. N. Amer. 2: 394 (1843)
= Layia platyglossa subsp. campestris D.D.Keck; Aliso 4: 106 (1958)
= Layia platyglossa var. breviseta A.Gray; S. Wats., Bot. California 1: 370 (1876)
= Layia ziegleri Munz; Suppl. Calif. Fl. 149 (1968)
= Madaroglossa angustifolia Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 394 (1840)
= Madaroglossa elegans Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 393 (1841)
= Madaroglossa hirsuta Nutt.; Trans. Amer. Philos. Soc., ser. 2, 7: 394 (1840)
species :
Layia septentrionalis D.D.Keck; Aliso 4: 106 (1958)
Distribution: USA (California)
76 USA
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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