Class information for:
Level 1: AMERICAN FERN JOURNAL//FERNS//DRYOPTERIDACEAE

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
2942 2032 37.3 32%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
741 11882 REVIEW OF PALAEOBOTANY AND PALYNOLOGY//AMERICAN FERN JOURNAL//FOSSIL WOOD

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 AMERICAN FERN JOURNAL Journal 298 55% 18% 369
2 FERNS Author keyword 101 40% 10% 198
3 DRYOPTERIDACEAE Author keyword 85 74% 3% 64
4 PRINGLE HERBARIUM Address 80 100% 1% 25
5 OSMUNDACEAE Author keyword 58 86% 1% 30
6 CYATHEACEAE Author keyword 56 85% 1% 29
7 POLYSTICHUM Author keyword 55 87% 1% 27
8 ELAPHOGLOSSUM Author keyword 54 83% 1% 30
9 PTERIDOPHYTA Author keyword 40 44% 3% 68
10 GRAMMITIDACEAE Author keyword 38 93% 1% 14

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 FERNS 101 40% 10% 198 Search FERNS Search FERNS
2 DRYOPTERIDACEAE 85 74% 3% 64 Search DRYOPTERIDACEAE Search DRYOPTERIDACEAE
3 OSMUNDACEAE 58 86% 1% 30 Search OSMUNDACEAE Search OSMUNDACEAE
4 CYATHEACEAE 56 85% 1% 29 Search CYATHEACEAE Search CYATHEACEAE
5 POLYSTICHUM 55 87% 1% 27 Search POLYSTICHUM Search POLYSTICHUM
6 ELAPHOGLOSSUM 54 83% 1% 30 Search ELAPHOGLOSSUM Search ELAPHOGLOSSUM
7 PTERIDOPHYTA 40 44% 3% 68 Search PTERIDOPHYTA Search PTERIDOPHYTA
8 GRAMMITIDACEAE 38 93% 1% 14 Search GRAMMITIDACEAE Search GRAMMITIDACEAE
9 POLYPODIACEAE 35 48% 3% 53 Search POLYPODIACEAE Search POLYPODIACEAE
10 HYMENOPHYLLACEAE 33 75% 1% 24 Search HYMENOPHYLLACEAE Search HYMENOPHYLLACEAE

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 PTERIDOPHYTA 152 81% 4% 91
2 RBCL NUCLEOTIDE SEQUENCES 151 95% 3% 52
3 FERNS 106 46% 8% 172
4 DRYOPTERIDACEAE 86 82% 2% 50
5 POLYPODIACEAE 85 89% 2% 39
6 CHEILANTHOID FERNS 72 93% 1% 27
7 GRAMMITIDACEAE 69 96% 1% 22
8 GENUS ELAPHOGLOSSUM 68 100% 1% 22
9 HOMOSPOROUS FERNS 65 76% 2% 45
10 EXTANT FERNS 62 80% 2% 39

Journals


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 AMERICAN FERN JOURNAL 298 55% 18% 369

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
A classification for extant ferns 2006 437 90 83%
Fern phylogeny inferred from 400 leptosporangiate species and three plastid genes 2007 139 80 89%
Trends and concepts in fern classification 2014 10 61 87%
A global plastid phylogeny of the brake fern genus Pteris (Pteridaceae) and related genera in the Pteridoideae 2015 1 46 59%
Phylogeny and evolution of ferns (monilophytes) with a focus on the early leptosporangiate divergences 2004 228 101 37%
A taxonomic revision of Hymenophyllaceae 2006 19 8 100%
EVER SINCE KLEKOWSKI: TESTING A SET OF RADICAL HYPOTHESES REVIVES THE GENETICS OF FERNS AND LYCOPHYTES 2014 2 20 65%
A cytotaxonomic survey of the Pteridophyta of Australia 2002 33 29 86%
Chloroplast Phylogeny of asplenioid ferns based on rbcL and trnL-F Spacer sequences (Polypodiidae, aspleniaceae) and its implications for biogeography 2004 59 62 73%
A taxonomic revision of the eusporangiate fern family Marattiaceae, with description of a new genus Ptisana 2008 9 18 72%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 PRINGLE HERBARIUM 80 100% 1.2% 25
2 CATEDRA PALINOL 27 60% 1.5% 30
3 UNIV HERBARIUM 23 38% 2.3% 47
4 CATEDRA MORFOL VEGETAL 15 44% 1.3% 26
5 SECAO BRIOL PTERIDOL 12 86% 0.3% 6
6 HERBARIO MCNS 11 78% 0.3% 7
7 ABT SYSTEMAT BOT 8 26% 1.2% 25
8 ECOL FONDAMENTALE PL 6 100% 0.2% 4
9 BIOL VEGETAL 1 5 16% 1.5% 31
10 LEAVES 4 44% 0.3% 7

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000189468 CERATOPTERIS//PLATYCERIUM BIFURCATUM//AMERICAN FERN JOURNAL
2 0.0000155926 ISOETACEAE//ISOETES//MEGASPORES
3 0.0000082736 ARONIA ARBUTIFOLIA//BRYUM CAPILLARE//GRASS BALD
4 0.0000058324 PTERIS SEMIPINNATA L//FARINOSE FROND EXUDATE//ADIANTACEAE
5 0.0000049876 PALAEOBIOL PALAEOECOL//CATHAYSIAN FLORA//REVIEW OF PALAEOBOTANY AND PALYNOLOGY
6 0.0000049679 GNETALES//BENNETTITALES//CHEIROLEPIDIACEAE
7 0.0000044301 VASCULAR EPIPHYTES//EPIPHYTES//STRANGLER FIG
8 0.0000037032 ISSR//ELYMUS ALASKANUS//RAPDS
9 0.0000034184 NEW ZEALAND FLORA//NEW ZEALAND JOURNAL OF BOTANY//ALLAN HERBARIUM
10 0.0000030699 FOULDEN MAAR//NOTHOFAGACEAE//CHIQUIMIL FORMATION