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Journal articles on the topic 'Conocephalum'

Author: Grafiati

Published: 5 June 2025

Last updated: 8 July 2025

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1

Piippo, Sinikka, and Timo Koponen. "Bryophyte Flora of Hunan Province, China. 16. Complex Thalloids (Marchantiopsida, Hepaticae)." Polish Botanical Journal 58, no. 1 (2013): 179–92. http://dx.doi.org/10.2478/pbj-2013-0017.

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Abstract The occurrence of 13 species belonging to eight complex thalloid genera and six families are reported for Hunan. Conocephalum japonicum (Thunb.) Grolle, C. salebrosum Szweykowski et al. and Dumortiera hirsuta (Sw.) Nees are moderately common in Hunan, Conocephalum conicum (L.) Dumort., Marchantia palaecea Bertol. and M. emarginata Reinw. et al. subsp. tosana (Steph.) Bischler are rather rare, M. polymorpha L., Plagiochasma pterospermum Mass., Reboulia hemisphaerica (L.) Raddi, and Wiesnerella denutata (Mitt.) Steph. are rare and Asterella khasyana (Griff.) Pandé et al., Plagiochasma appendiculatum Lehm. & Lindenb. and Riccia fluitans L. are very rare. Of them the following are new to Hunan: Genus Plagiochasma with two species, P. appendiculatum, P. pterospermum, Riccia fluitans, Marchantia paleacea and Conocephalum salebrosum. The altitudinal ranges of taxa in Hunan are mapped. The distribution, ecology and the classification of taxa into distributional elements, as well as the characters are discussed. Some thalloid hepatic genera, i.e. Conocephalum and Dumortiera include cryptic taxa that pose unsolved taxonomic problems that await further future research.

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2

Craft, Jonathan D., Daniel Harrelson, and William N. Setzer. "Chemotypic Variation of Conocephalum salebrosum in the Southeastern Appalachian Range: A Search for Cryptic Plant Biodiversity Around the Tennessee River Valley." Natural Product Communications 11, no. 7 (2016): 1934578X1601100. http://dx.doi.org/10.1177/1934578x1601100735.

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The chemotaxonomy of the Conocephalum spp. complex, based on GC-MS analysis of the volatile compositions, has helped to reveal cryptic biodiversity and delineate actual distribution patterns of chemotypes. In the Appalachian Mountains, two samples from eastern central part of the range were previously shown to be C. salebrosum. Additionally, it has recently come to light that stress can alter the volatile composition of C. conicum. This study address a previously unsampled region of the southeastern Appalachians, a region that is a biodiversity epicenter, to determine if more chemotypic diversity remains to be seen for the Conocephalum spp. complex. A common garden experiment was performed, but yielded more of a common stress experiment, and significantly altered the volatile compositions. Wild-collected controls and a meta-analysis of these data and those from previous works suggest that the common garden experiment caused stress and that the liverworts sampled belong to the C. salebrosum clade of of the Conocephalum spp. complex.

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3

Singh, Devendra, and S. Singh. "Conocephalum japonicum (Thunb.) Grolle (Bryophyta: Conocephalaceae) - A liverwort rediscovered in Indian Bryoflora." Indian Journal of Forestry 26, no. 4 (2003): 442–44. http://dx.doi.org/10.54207/bsmps1000-2003-2bxa9g.

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4

Toyota, Masao, Tetsuya Saito, and Yoshinori Asakawa. "A phenethyl glycoside from Conocephalum conicum." Phytochemistry 43, no. 5 (1996): 1087–88. http://dx.doi.org/10.1016/s0031-9422(96)00504-3.

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5

Shimamura, Masaki, Tomio Yamaguchi, and Hironori Deguchi. "Airborne sperm of Conocephalum conicum (Conocephalaceae)." Journal of Plant Research 121, no. 1 (2007): 69–71. http://dx.doi.org/10.1007/s10265-007-0128-6.

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6

Liu, Na, Dong-Xiao Guo, Yan-Yan Wang, Li-Ning Wang, Mei Ji, and Hong-Xiang Lou. "Aromatic Compounds from the Liverwort Conocephalum japonicum." Natural Product Communications 6, no. 1 (2011): 1934578X1100600. http://dx.doi.org/10.1177/1934578x1100600112.

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Two undescribed dimeric ArC2 derivatives, cis- and trans-1,2-bis(3,4-dimethoxyphenyl)cyclobutane (1 and 2), one new monoterpenes esters, 2α,5β-dihydroxybornane-2- cis-cinnamate (3), along with eight known compounds, 2α,5β-dihydroxybornane-2- trans-cinnamate (4), perrottetin E (5), isoriccardin C (6), marchantin A (7), marchantin E (8), marchantin C (9), and isomarchantin C (10) were isolated from the liverwort Conocephalum japonicum. All the structures were established by extensive spectroscopic analysis. The isolated compounds 3–10 were evaluated for their cytotoxicity against the human KB cell line with IC50 values ranging from 16.5 to 50.2 μM.

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7

Poponessi, Silvia, Michele Aleffi, and Roberto Venanzoni. "Conocephalum salebrosumSzweykowski, BuczkowskaetOdrzykoski (Conocephalaceae, Marchantiophyta), New to Italy." Cryptogamie, Bryologie 35, no. 2 (2014): 223–26. http://dx.doi.org/10.7872/cryb.v35.iss2.2014.223.

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8

Ghani, Nurunajah Ab, Agnieszka Ludwiczuk, Nor Hadiani Ismail, and Yoshinori Asakawa. "Volatile Components of the Stressed Liverwort Conocephalum Conicum." Natural Product Communications 11, no. 1 (2016): 1934578X1601100. http://dx.doi.org/10.1177/1934578x1601100130.

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The Type-II Japanese Conocephalum conicum, which is known to have (+)-bornyl acetate as a marker compound, was put in the stressed condition to start biosynthesis of a phenyl propanoid, trans-methyl cinnamate. Analysis of the HS-SPME GC/MS of stressed C. conicum showed trans-methyl cinnamate as a major component. This phenomenon results in some confusion from the chemotype perspective since trans-methyl cinnamate is only present in type-III Japanese C. conicum.

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9

Toyota, Masao, and Yoshinori Asakawa. "Sesqui- and triterpenoids of the liverwort Conocephalum japonicum." Phytochemistry 32, no. 5 (1993): 1235–37. http://dx.doi.org/10.1016/s0031-9422(00)95098-2.

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10

Miwa, Hidetsugu, Ireneusz J. Odrzykoski, Atsushi Matsui, et al. "Adaptive evolution of rbcL in Conocephalum (Hepaticae, bryophytes)." Gene 441, no. 1-2 (2009): 169–75. http://dx.doi.org/10.1016/j.gene.2008.11.020.

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11

Masao, Toyota, Nagashima Fumihiro, Fukuyama Yoshiyasu, Honda Shoko, and Asakawa Yoshinori. "Bicyclogermacrene type sesquiterpenoid from the liverwort Conocephalum conicum." Phytochemistry 27, no. 10 (1988): 3317–19. http://dx.doi.org/10.1016/0031-9422(88)80054-2.

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12

Imada, Yume, and Makoto Kato. "Descriptions of new species of Issikiomartyria (Lepidoptera, Micropterigidae) and a new genus Melinopteryx gen. n. with two new species from Japan." Zoosystematics and Evolution 94, no. (2) (2018): 211–35. https://doi.org/10.3897/zse.94.13748.

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Micropterigidae is considered to be the sister group of all other extant Lepidoptera. In Japan, 17 species of five genera have been recorded including three endemic genera, Issikiomartyria Hashimoto, 2006, Kurokopteryx Hashimoto, 2006 and Neomicropteryx Issiki, 1931, all of which are associated with the liverwort genus Conocephalum Hill. We discovered four new species of Issikiomartyria from snowy regions in Northeastern Japan, and two new species of a new genus Melinopteryx gen. n. from the subalpine zone of the Akaishi Mountain Range. All these new taxa, I. hyperborea sp. n., I. leptobelos sp. n., I. catapasta sp. n., I. trochos sp. n., M. coruscans sp. n. and M. bilobata sp. n. are also associated with Conocephalum liverworts. Furthermore, females of I. akemiae Hashimoto, 2006 and I. plicata Hashimoto, 2006 are described here for the first time. Our extensive surveys revealed that the fine-scale endemism of Issikiomartyria restricted to the fragmented area facing the Japan Sea. Keys to Issikiomartyria species based on the adult morphology are provided.

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13

Zhang, Chi, Xinlu Chen, Barbara Crandall-Stotler, et al. "Biosynthesis of methyl (E)-cinnamate in the liverwort Conocephalum salebrosum and evolution of cinnamic acid methyltransferase." Phytochemistry 164 (August 31, 2019): 50–59. https://doi.org/10.1016/j.phytochem.2019.04.013.

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Zhang, Chi, Chen, Xinlu, Crandall-Stotler, Barbara, Qian, Ping, Köllner, Tobias G., Guo, Hong, Chen, Feng (2019): Biosynthesis of methyl (E)-cinnamate in the liverwort Conocephalum salebrosum and evolution of cinnamic acid methyltransferase. Phytochemistry 164: 50-59, DOI: 10.1016/j.phytochem.2019.04.013, URL: http://dx.doi.org/10.1016/j.phytochem.2019.04.013

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14

Ravera, Sonia, Alfredo Vizzini, Annalena Cogoni, et al. "Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 4." Italian Botanist 4 (November 21, 2017): 76–86. https://doi.org/10.3897/ib.4.21671.

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In this contribution, new data concerning bryophytes, fungi and lichens of the Italian flora are presented. It includes new records and confirmations for the bryophyte genera Campylopus, Paludella, Tortula, and Conocephalum, the fungal genera Agonimia, Buelliella, Entorrhiza, Filicupula, Poronia, and Sporisorium, the lichen genera Cladonia, Dibaeis, Lasallia, and Rhizocarpon.

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15

Ravera, Sonia, Alfredo Vizzini, Annalena Cogoni, et al. "Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 4." Italian Botanist 4 (November 21, 2017): 76–86. https://doi.org/10.3897/italianbotanist.4.21671.

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In this contribution, new data concerning bryophytes, fungi and lichens of the Italian flora are presented. It includes new records and confirmations for the bryophyte genera Campylopus, Paludella, Tortula, and Conocephalum, the fungal genera Agonimia, Buelliella, Entorrhiza, Filicupula, Poronia, and Sporisorium, the lichen genera Cladonia, Dibaeis, Lasallia, and Rhizocarpon.

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16

AKIYAMA, HIROYUKI, and IRENEUSZ J. ODRZYKOSKI. "Phylogenetic re-examination of the genus Conocephalum Hill. (Marchantiales: Conocephalaceae)." Bryophyte Diversity and Evolution 42, no. 1 (2020): 1–18. http://dx.doi.org/10.11646/bde.42.1.1.

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Inter-relationship among the cryptic species in the genus Conocephalum Hill was studied using rbcL + rps4 sequences as well as morphological features. Samples used in this study originated from 1) the long-cultivated strains from Europe, North America, and Asia used for previous allozymes and molecular studies and 2) newly gathered plants mainly from Japan and Taiwan used for both molecular and morphological study. For the C. conicum/ salebrosum complex, a total of six species were confirmed, including a new species previously recognized as R type or Chemotype III (Toyota 1994, Kim et al. 2001 Miwa et al 2009). The R type has unique volatile component and morphological features; presence of Methyl cinnamate in natural conditions and absence of mucilage cavity in the central part of thallus. As for the C. japonicum complex, three cryptic species formerly recognized by allozymes and molecular analyses were confirmed. These three species are remotely distant from all the members of the C. conicum/ salebrosum complex. Conocephalum japonicum is here reinstated in the genus Sandea Lindb., as Sandea japonica Steph. ex Yoshin.

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17

Ravera, Sonia, Marta Puglisi, Alfredo Vizzini, et al. "Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 7." Italian Botanist 7 (April 22, 2019): 69–91. http://dx.doi.org/10.3897/italianbotanist.7.34285.

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In this contribution, new data concerning algae, bryophytes, fungi, and lichens of the Italian flora are presented. It includes new records and confirmations for the algae genusChara, the bryophyte generaCephalozia,Conardia,Conocephalum,Didymodon,Sphagnum,Tetraplodon, andTortula, the fungal generaEndophyllum,Gymnosporangium,Microbotryum,Phragmidium, andPluteus, and the lichen generaCandelariella,Cladonia,Flavoplaca,Lichenothelia,Peltigera,Placolecis,Rinodina,Scytinium, andSolenopsora.

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18

Trebacz, K., and T. Zawadzki. "Light-triggered action potentials in the liverwort Conocephalum conicum." Physiologia Plantarum 64, no. 4 (1985): 482–86. http://dx.doi.org/10.1111/j.1399-3054.1985.tb08526.x.

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19

Melching, S. "Two aromadendrane type alcohols from the liverwort Conocephalum conicum." Phytochemistry 51, no. 2 (1999): 277–80. http://dx.doi.org/10.1016/s0031-9422(98)00768-7.

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20

TOYOTA, Masao. "Phytochemical Study of Liverworts Conocephalum conicum and Chiloscyphus polyanthos." YAKUGAKU ZASSHI 120, no. 12 (2000): 1359–72. http://dx.doi.org/10.1248/yakushi1947.120.12_1359.

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21

Szweykowski, J., K. Buczkowska, and I. J. Odrzykoski. "Conocephalum salebrosum (Marchantiopsida, Conocephalaceae) – a new Holarctic liverwort species." Plant Systematics and Evolution 253, no. 1-4 (2005): 133–58. http://dx.doi.org/10.1007/s00606-005-0301-0.

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22

Ritchie, Raymond J. "Photosynthetic Electron Transport in the Liverwort Conocephalum conicum (Marchantiales)." Journal of Botanical Research 6, no. 3 (2025): 1–17. https://doi.org/10.30564/jbr.v6i3.9222.

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Photosynthetic Electron Transport Rate (ETR) of Conocephalum conicum (Snakeskin Liverwort) was measured using PAM technology modelled using the Waiting-in-Line model. Plants were grown in greenhouses which had irregular sunflecks of full sunlight and in a culture room under LED lights. Plants grown in the greenhouse had photosynthetic maxima about 1/3 to ½ of sunlight, but very low optimum light requirements when grown in a culture room under LED lights. Chl a content was ≈ 241 mg Chl a m-2 (Chl b/a ≈ 0.216). Mid-morning (10:30 solar time): Ymax ≈ 0.629, irradiance ½ point for Yield ≈ 231 μmol photon m-2 s-1; Eopt ≈ 910 μmol photon m-2 s-1. ETRmax ≈ 266 μmol e- g-1 Chl a s-1, photosynthetic efficiency (Alpha, α0) ≈ 0.794 e- photon-1 g-1 Chl a. Photoinhibition was significant at high irradiances. Photosynthesis was markedly diurnal: Eopt and ETRmax were substantially lower in the afternoon. Integrating Gross photosynthesis (Pg) over the course of the day Pg ≈ 39.6 gC g-1 Chl a d-1 under full sunlight and ≈ 29.6 gC g-1 Chl a d-1 in the shaded greenhouse. On a projected surface area basis daily Pg is ≈ 7.14 gC m-2 d-1. The respiration rate was relatively low (≈ 2.23 μmol O2 g-1 Chl a s-1) so net photosynthesis is positive even at very low irradiances. Greenhouse gown plants had a conspicuous diurnal pattern of photosynthesis where optimum rates were found in midmorning and midday with a decrease in the afternoon. Plants grown under LED lights had a very low Eopt (≈90 μmol photon m-2 s-1) and ETRmax (≈ 40 μmol g-1 Chl a s-1). pH experiments indicate that it is capable of using HCO3- as a carbon source.

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23

Szweykowski, Jerzy, and Maria Anna Bobowicz. "Variability of ventral scales in polish populations of Conocephalum conicum (L.) Dum. (Hepaticae, Marchantiales)." Acta Societatis Botanicorum Poloniae 47, no. 4 (2015): 417–27. http://dx.doi.org/10.5586/asbp.1978.038.

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Samples taken from 6 natural populations of the liverwort species <i>Conocephalum conicum</i> were cultivated in a glasshouse and the variability of 9 ventral scale characters was studied in them. Genetic differences were discovered between population samples but all the attempts to correlate them with the geographic distribution and/or habitat ecology have failed so far.

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24

Ravera, Sonia, Marta Puglisi, Alfredo Vizzini, et al. "Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 7." Italian Botanist 7 (April 22, 2019): 69–91. https://doi.org/10.3897/italianbotanist.7.34285.

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In this contribution, new data concerning algae, bryophytes, fungi, and lichens of the Italian flora are presented. It includes new records and confirmations for the algae genus Chara, the bryophyte genera Cephalozia, Conardia, Conocephalum, Didymodon, Sphagnum, Tetraplodon, and Tortula, the fungal genera Endophyllum, Gymnosporangium, Microbotryum, Phragmidium, and Pluteus, and the lichen genera Candelariella, Cladonia, Flavoplaca, Lichenothelia, Peltigera, Placolecis, Rinodina, Scytinium, and Solenopsora.

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25

Imada, Yume, Atsushi Kawakita, and Makoto Kato. "Allopatric distribution and diversification without niche shift in a bryophyte-feeding basal moth lineage (Lepidoptera: Micropterigidae)." Proceedings of the Royal Society B: Biological Sciences 278, no. 1721 (2011): 3026–33. http://dx.doi.org/10.1098/rspb.2011.0134.

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The Lepidoptera represent one of the most successful radiations of plant-feeding insects, which predominantly took place within angiosperms beginning in the Cretaceous period. Angiosperm colonization is thought to underlie the evolutionary success of the Lepidoptera because angiosperms provide an enormous range of niches for ecological speciation to take place. By contrast, the basal lepidopteran lineage, Micropterigidae, remained unassociated with angiosperms since Jurassic times but nevertheless achieved a modest diversity in the Japanese Archipelago. We explored the causes and processes of diversification of the Japanese micropterigid moths by performing molecular phylogenetic analysis and extensive ecological surveying. Phylogenetic analysis recovered a monophyletic group of approximately 25 East Asian endemic species that feed exclusively on the liverwort Conocephalum conicum , suggesting that niche shifts hardly played a role in their diversification. Consistent with the low flying ability of micropterigid moths, the distributions of the Conocephalum specialists are each localized and allopatric, indicating that speciation by geographical isolation has been the major process shaping the diversity of Japanese Micropterigidae. To our knowledge, this is the largest radiation of herbivorous insects that does not accompany any apparent niche differentiation. We suggest that the significance of non-ecological speciation during the diversification of the Lepidoptera is commonly underestimated.

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26

Maresca, Viviana, Gennaro Lettieri, Sergio Sorbo, Marina Piscopo, and Adriana Basile. "Biological Responses to Cadmium Stress in Liverwort Conocephalum conicum (Marchantiales)." International Journal of Molecular Sciences 21, no. 18 (2020): 6485. http://dx.doi.org/10.3390/ijms21186485.

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Oxidative damage (production and localization of reactive oxygen species) and related response mechanisms (activity of antioxidant enzymes), and induction of Heat Shock Protein 70 expression, have been studied in the toxi-tolerant liverwort Conocephalum conicum (Marchantiales) in response to cadmium stress using two concentrations (36 and 360 µM CdCl2). Cadmium dose-dependent production of reactive oxygen species (ROS) and related activity of antioxidant enzymes was observed. The expression level of heat shock protein (Hsp)70, instead, was higher at 36 µM CdCl2 in comparison with the value obtained after exposure to 360 µM CdCl2, suggesting a possible inhibition of the expression of this stress gene at higher cadmium exposure doses. Biological responses were related to cadmium bioaccumulation. Since C. conicum was able to respond to cadmium stress by modifying biological parameters, we discuss the data considering the possibility of using these biological changes as biomarkers of cadmium pollution.

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27

Melching, Stephanie, and Wilfried A. König. "Sesquiterpenes from the essential oil of the liverwort Conocephalum conicum." Phytochemistry 51, no. 4 (1999): 517–23. http://dx.doi.org/10.1016/s0031-9422(98)00769-9.

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28

Valterová, Irena, C. Rikard Unelius, Jan Vrkoč, and Torbjörn Norin. "Enantiomeric composition of monoterpene hydrocarbons from the liverwort Conocephalum conicum." Phytochemistry 31, no. 9 (1992): 3121–23. http://dx.doi.org/10.1016/0031-9422(92)83457-a.

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29

Sawicki, Jakub, Alina Bączkiewicz, Katarzyna Buczkowska, et al. "The Increase of Simple Sequence Repeats during Diversification of Marchantiidae, An Early Land Plant Lineage, Leads to the First Known Expansion of Inverted Repeats in the Evolutionarily-Stable Structure of Liverwort Plastomes." Genes 11, no. 3 (2020): 299. http://dx.doi.org/10.3390/genes11030299.

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The chloroplast genomes of liverworts, an early land plant lineage, exhibit stable structure and gene content, however the known resources are very limited. The newly sequenced plastomes of Conocephalum, Riccia and Sphaerocarpos species revealed an increase of simple sequence repeats during the diversification of complex thalloid liverwort lineage. The presence of long TA motifs forced applying the long-read nanopore sequencing method for proper and dependable plastome assembly, since the length of dinucleotide repeats overcome the length of Illumina short reads. The accumulation of SSRs (simple sequence repeats) enabled the expansion of inverted repeats by the incorporation of rps12 and rps7 genes, which were part of large single copy (LSC) regions in the previously sequenced plastomes. The expansion of inverted repeat (IR) at the genus level is reported for the first time for non-flowering plants. Moreover, comparative analyses with remaining liverwort lineages revealed that the presence of SSR in plastomes is specific for simple thalloid species. Phylogenomic analysis resulted in trees confirming monophyly of Marchantiidae and partially congruent with previous studies, due to dataset-dependent results of Dumortiera-Reboulia relationships. Despite the lower evolutionary rate of Marchantiales plastomes, significant barcoding gap was detected, even for recently divergent holarctic Conocephalum species. The sliding window analyses revealed the presence of 18 optimal (500 bp long) barcodes that enable the molecular identification of all studied species.

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Kim, Hong Nam, and Tsuneyuki Yamazaki. "Nonconcerted evolution of histone 3 genes in a liverwort, Conocephalum conicum." Genes & Genetic Systems 79, no. 6 (2004): 331–44. http://dx.doi.org/10.1266/ggs.79.331.

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31

Pawlikowska-Pawlęga, Bożena, Elżbieta Król, Kazimierz Trębacz, and Antoni Gawron. "Genistein and changes of resting and action potentials in Conocephalum conicum." Journal of Plant Physiology 166, no. 7 (2009): 712–19. http://dx.doi.org/10.1016/j.jplph.2008.09.014.

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32

Krol, Elzbieta, Halina Dziubinska, and Kazimierz Trebacz. "Low-Temperature Induced Transmembrane Potential Changes in the Liverwort Conocephalum conicum." Plant and Cell Physiology 44, no. 5 (2003): 527–33. http://dx.doi.org/10.1093/pcp/pcg070.

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33

Toyota, Masao. "ChemInform Abstract: Phytochemical Study of Liverworts Conocephalum conicum and Chiloscyphus polyanthos." ChemInform 32, no. 22 (2010): no. http://dx.doi.org/10.1002/chin.200122227.

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34

Montserrat, Brugués, Infante Marta, and M. Cros Rosa. "Anotaciones sobre hepáticas de España." Boletín de la Sociedad Española de Briología, no. 36(30) (May 1, 2011): 3–8. http://dx.doi.org/10.58469/bseb.2011.52.91.002.

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Se justifican los motivos por los que 22 especies de hepáticas fueron excluidas, añadidas o confirmadas en el último catálogo de las hepáticas españolas (Casas et al., 2009) en relación a los catálogos previos (Casas, 1998; Ros et al., 2007). Fundamentalmente como resultado de la revisión de las muestras de las especies consideradas dudosas, se excluyeron: Acrobolbus wilsonii, Cephalozia catenulata, Cephaloziella elachista, C. phyllacantha, Jungermannia paroica, J. subelliptica, Lophozia capitata, Mannia triandra, Marsupella boeckii, M. sparsifolia, Radula aquilegia, Riccia canaliculata, Riella parisii, Scapania cuspiduligera, S. helvetica y S. uliginosa. Se añadieron al catálogo Nardia insecta y Tritomaria scitula fruto de nuevas recolecciones, y Aneura maxima, A. pseudopinguis y Conocephalum salebrosum a partir de nuevos estudios taxonómicos. Finalmente, se confirmó la presencia de Scapania subalpina. We justify the reasons underlying the exclusion, addition or confirmation of 22 liverworts in the last checklist of Spanish liverworts (Casas et al., 2009), with respect to previous checklists (Casas, 1998; Ros et al., 2007). Mainly as a result of the revision of specimens belonging to species considered as doubtful, the following ones were excluded: Acrobolbus wilsonii, Cephalozia catenulata, Cephaloziella elachista, C. phyllacantha, Jungermannia paroica, J. subelliptica, Lophozia capitata, Mannia triandra, Marsupella boeckii, M. sparsifolia, Radula aquilegia, Riccia canaliculata, Riella parisii, Scapania cuspiduligera, S. helvetica and S. uliginosa. Nardia insecta and Tritomaria scitula, as a result of new fieldwork, and Aneura maxima, A. pseudopinguis and Conocephalum salebrosum, identified on the basis of new taxonomic studies, were added to the catalogue. Finally, the presence of Scapania subalpina was confirmed.

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35

Borovichev, Evgeny A., Nijole Kalinauskaite, and Nadezhda A. Konstantinova. "On the distribution of Conocephalum conicum and C. salebrosum (Marchanthiophyta) in Russia." Arctoa 18, no. 1 (2009): 115–20. http://dx.doi.org/10.15298/arctoa.18.04.

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36

Zawadzki, T., and K. Trebacz. "Extra- and intracellular measurements of action potentials in the liverwort Conocephalum conicum." Physiologia Plantarum 64, no. 4 (1985): 477–81. http://dx.doi.org/10.1111/j.1399-3054.1985.tb08525.x.

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Trebacz, K., R. Tarnecki, and T. Zawadzki. "Characteristics of the light-induced generator potentials in the liverwort Conocephalum conicum." Physiologia Plantarum 75, no. 1 (1989): 20–23. http://dx.doi.org/10.1111/j.1399-3054.1989.tb02057.x.

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38

Harinantenaina, Liva, Shyoko Kida, and Yoshinori Asakawa. "Phytochemistry of three selected liverworts: Conocephalum conicum, Plagiochila barteri and P. terebrans." Arkivoc 2007, no. 7 (2006): 22–29. http://dx.doi.org/10.3998/ark.5550190.0008.704.

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39

Trebacz, K., G. Schonknecht, H. Dziubinska, and A. Hanaka. "Characteristics of Anion Channels in the Tonoplast of the Liverwort Conocephalum conicum." Plant and Cell Physiology 48, no. 12 (2007): 1747–57. http://dx.doi.org/10.1093/pcp/pcm147.

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40

Krol, E., and K. Trebacz. "Calcium-Dependent Voltage Transients Evoked by Illumination in the Liverwort Conocephalum conicum." Plant and Cell Physiology 40, no. 1 (1999): 17–24. http://dx.doi.org/10.1093/oxfordjournals.pcp.a029470.

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41

Castaldo-Cobianchi, R., S. Giordano, A. Basile, and U. Violante. "Occurrence of antibiotic activity in Conocephalum conicum, Mnium undulatum and Leptodictyum riparium (Bryophytes)." Giornale botanico italiano 122, no. 5-6 (1988): 303–11. http://dx.doi.org/10.1080/11263508809429412.

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Ludwiczuk, Agnieszka, Ireneusz J. Odrzykoski, and Yoshinori Asakawa. "Identification of cryptic species within liverwort Conocephalum conicum based on the volatile components." Phytochemistry 95 (November 2013): 234–41. http://dx.doi.org/10.1016/j.phytochem.2013.06.011.

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43

Pawlikowska-Pawlěga, Bożena, Kazimierz Trěbacz, Elżbieta Król, and Antoni Gawron. "Effects of quercetin and verapamil on membrane potential in the liverwort Conocephalum conicum." Acta Physiologiae Plantarum 22, no. 1 (2000): 61–67. http://dx.doi.org/10.1007/s11738-000-0009-2.

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Pawlikowska-Pawlęga, Bożena, Elżbieta Król, Kazimierz Trębacz, and Antoni Gawron. "Quercetin and genistein hindering effect of neomycin action in the liverwort Conocephalum conicum." Acta Physiologiae Plantarum 33, no. 4 (2010): 1335–44. http://dx.doi.org/10.1007/s11738-010-0666-8.

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45

Ivkovic, Ivana, Danka Bukvicki, Miroslav Novakovic, et al. "Antibacterial properties of thalloid liverworts Marchantia polymorpha L., Conocephalum conicum (L.) Dum. and Pellia endiviifolia (Dicks.) Dumort." Journal of the Serbian Chemical Society 86, no. 12 (2021): 1249–58. http://dx.doi.org/10.2298/jsc210728084i.

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Abstract:

The antimicrobial activity of methanol extracts of three thalloid liverworts, Marchantia polymorpha, Conocephalum conicum and Pellia endiviifolia and bis-bibenzyl marchantin A, the most dominant compound in the methanol extract of M. polymorpha, have been investigated in this research. 1H-NMR spectroscopy revealed that the M. polymorpha and P. endiviifolia extracts of liverwort contain terpenes, oils, sugars and bis-bibenzyls, while these specific macrocyclic compounds were absent in the C. conicum extract. The antimicrobial potential was tested on eight bacterial strains. Antimicrobial effects of extracts and marchantin A were observed against Gram-positive bacteria, while they showed no effect against Gram-negative bacteria in both methods used ? well diffusion and broth microdilution.

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Król, Elżbieta, Maria Stolarz, Halina Dziubińska, and Kazimierz Trębacz. "Receptory glutaminianu u roślin." Acta Universitatis Lodziensis. Folia Biologica et Oecologica 3 (January 1, 2006): 67–73. http://dx.doi.org/10.18778/1730-2366.03.09.

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Abstract:

Badania prowadzone na pobudliwych plechach wątrobowca Conocephalum conicum wykazały, że podanie 5 mM roztworu glutaminianu (Glu) bądź glicyny (Gly) wywołuje serie potencjałów czynnościowych (AP), którym towarzyszy napływ wapnia do cytoplazmy pobudzonej komórki. Otrzymane wyniki są zgodne z istniejącą hipotezą że międzykomórkowy signalling oparty na aminokwasach jest obecny w królestwie roślin i zwierząt. Jak dotąd opublikowane dane eksperymentalne z równoległych pomiarów wewnątrzkom órkowego stężenia Ca"+ i poziomu potencjału transmem branowego izolowanych komórek liści (M eyerhoff et al. 2004, 2005) lub korzenia (Dennison i Spalding 2000) dotyczą głownie A rabidopsis thaliana, u której to rośliny zlokalizowano i sklonowano geny receptora kwasu glutaminowego (GLR). Nasze badania po raz pierwszy wykazały istnienie zależności między podaniem Glu a pobudzeniem u roślin niższych.

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Dziubinska, H., K. Trebacz, and T. Zawadzki. "The effect of excitation on the rate of respiration in the liverwort Conocephalum conicum." Physiologia Plantarum 75, no. 3 (1989): 417–23. http://dx.doi.org/10.1111/j.1399-3054.1989.tb04648.x.

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Trebacz, K. "Measurements of intra-and extracellular pH in the liverwort Conocephalum conicum during action potentials." Physiologia Plantarum 84, no. 3 (1992): 448–52. http://dx.doi.org/10.1111/j.1399-3054.1992.tb04689.x.

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Trebacz, K. "Measurements of intra- and extracellular pH in the liverwort Conocephalum conicum during action potentials." Physiologia Plantarum 84, no. 3 (1992): 448–52. http://dx.doi.org/10.1034/j.1399-3054.1992.840319.x.

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Kim, Hong Nam, Eiji Nitasaka, I. J. Odrzykoski, and Tsuneyuki Yamazaki. "Phylogenetic relationships among taxa of the liverwort Conocephalum conicum (Conocephalaceae) revealed by psbA sequence." Genes & Genetic Systems 76, no. 5 (2001): 279–88. http://dx.doi.org/10.1266/ggs.76.279.

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