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Abstrak :
ABSTRAK
Penelitian tentang leafy liverworts di Kampus UI sudah pernah dilakukan pada tahun 2009, 2012 oleh Putrika dan 2015 oleh Ariyananda. Hasil tiga tahun penelitian berbeda yang ditunjukkan dengan hanya ditemukan satu spesies beririsan meskipun dilakukan dilokasi yang sama. Oleh karena itu, perlu dilakukan kembali studi identifikasi leafy liverworts di Kampus UI. Penelitian bertujuan untuk mengetahui, mengelompokkan, dan membuat kunci identifikasi spesies leafy liverworts epifit di Universitas Indonesia melalui karakter morfologi gametofit. Penelitian dilakukan pada bulan Maret-Juni 2018 menggunakan metode plot quadrat di Hutan Kota Universitas Indonesia dan jelajah bebas di sepanjang jalan utama Kampus UI. Jumlah plot yang digunakan di hutan kota adalah 12 plot, berukuran 20 20 meter yang dibagi kedalam tiga zona, masing-masing 4 plot di tiap zona. Pengamatan metode jelajah bebas dilakukan pada tepi kanan dan kiri sepanjang jalan utama Kampus UI. Hasil penelitian diperoleh sebanyak 10 spesies leafy liverworts yang terdiri dari 2 famili, 6 genus. Keberadaan lumut hati epifit di tepi jalan utama hanya 4 spesies dibandingkan di hutan kota sebanyak 10 spesies. Hasil Cluster Analysis menunjukkan bahwa karakter morfologi gametofit yaitu karakter individu, daun atau lobus, lobul, underleaf, sel dan oil bodies dapat digunakan untuk membedakan seluruh spesies leafy liverworts dengan jelas.

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ABSTRACT
Leafy liverworts research in University of Indonesia UI had been done on 2009, 2012 by Putrika, and 2015 by Ariyananda. The result of research during the last three years is different that shown by only one same species found moreover done in the same location. Therefore, it is necessary to re study the identification of leafy liverworts at UI. The aims of this research are to know variety, classified, and made identification key based on gametophyte morphologycal characters. The research started in March June 2018 covering UI urban forest and mainroads inside campuses. We use plot quadrat method in the Urban Forest and broad survey along the main road of UI. The number of quadrate plots used in urban forest are 12 plots, divided into 3 zones, each of 4 plots measuring 20 20 meters. The results obtained as many as 10 species of leafy liverworts consisting of 2 families, 6 genera. The presence of epiphytic leafy liverworts on the main roadside is only 4 species compared to 10 species in UI urban forests. Cluster Analysis results show that gametophyte morphologycal characters are individual characters, lobes, lobules, underleafs, cell and oil body can be used to differentiate leafy liverworts clearly.

Abstrak :
[Studi keanekaragaman spesies lumut hati dan lumut sejati di hutan kota Universitas Indonesia telah dilakukan pada Februari--November 2014. Pengambilan data dilakukan menggunakan metode jelajah bebas. Tercatat sebanyak 22 spesies lumut yang terdiri atas 8 spesies lumut hati dan 14 spesies lumut sejati. Spesies lumut hati yang ditemukan berasal dari 3 famili dan 5 genus, sementara spesies lumut sejati berasal dari 6 famili dan 8 genus. Spesies lumut hati yang ditemukan yaitu Calypogeia arguta, Frullania intermedia, Frullania muscicola, Cheilolejeunea intertexta, Cheilolejeunea ryukyuensis, Drepanolejeunea japonica, Lejeunea catanduana, Lejeunea curviloba. Spesies lumut sejati yang ditemukan yaitu Bryum apiculatum, Bryum atrovirens, Calymperes tenerum, Fissidens pseudoceylonensis, Fissidens strictulus, Fissidens zollingeri, Octoblepharum albidum, Barbula indica, Hyophila apiculata, Hyophila involuta, Hyophila javanica, Isopterygium minutirameum, Vesicularia dubyana, Vesicularia reticulata.;A study of liverworts and mosses at urban forest of Universitas Indonesia was conducted on February--November 2014. Data were collected using broad survey method. There were 22 species collected which were consisted of 8 liverworts and 14 mosses species. The liverworts derived from 3 family and 5 genus while mosses derived from 6 family and 8 genus. The liverworts species are Calypogeia arguta, Frullania intermedia, Frullania muscicola, Cheilolejeunea intertexta, Cheilolejeunea ryukyuensis, Drepanolejeunea japonica, Lejeunea catanduana, Lejeunea curviloba. The mosses species are Bryum apiculatum, Bryum atrovirens, Calymperes tenerum, Fissidens pseudoceylonensis, Fissidens strictulus, Fissidens zollingeri, Octoblepharum albidum, Barbula indica, Hyophila apiculata, Hyophila involuta, Hyophila javanica, Isopterygium minutirameum, Vesicularia dubyana, Vesicularia reticulata., A study of liverworts and mosses at urban forest of Universitas Indonesia was conducted on February--November 2014. Data were collected using broad survey method. There were 22 species collected which were consisted of 8 liverworts and 14 mosses species. The liverworts derived from 3 family and 5 genus while mosses derived from 6 family and 8 genus. The liverworts species are Calypogeia arguta, Frullania intermedia, Frullania muscicola, Cheilolejeunea intertexta, Cheilolejeunea ryukyuensis, Drepanolejeunea japonica, Lejeunea catanduana, Lejeunea curviloba. The mosses species are Bryum apiculatum, Bryum atrovirens, Calymperes tenerum, Fissidens pseudoceylonensis, Fissidens strictulus, Fissidens zollingeri, Octoblepharum albidum, Barbula indica, Hyophila apiculata, Hyophila involuta, Hyophila javanica, Isopterygium minutirameum, Vesicularia dubyana, Vesicularia reticulata.]