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Topic: Phaeoceros

	Chloroplast - algal-like
		The genus Phaeoceros was segregated from Anthoceros by Proskauer (1951).
		The type species of the genus is Phaeoceros laevis (L.) Prosk., but the genus also includes several other species.
		Pseudoelater cells lack helical wall thickenings in Phaeoceros, although they may show some irregular cell wall thickenings.
	vis-pc.plantbio.ohiou.edu /moss/Tomescu.htm (748 words)

	Untitled (Site not responding. Last check: 2007-10-10)
		Gametophytic occurrences of the two hornwort taxa are compared to management type recorded at each census (three categories based on the crop type: cereal, maize/root-crops, other) and to temperature, relative humidity and precipitation data retrieved from recordings at nearby meteorological stations.
		Anthoceros, and to a lesser extent Phaeoceros, were found regularly, and often abundantly, in untreated stubble-fields, but were more rare and poorly developed in stubble-fields with catch-crop, fields with maize, root-crops, and fodder-crops.
		Since hornworts are largely confined to cultivated fields in Central Europe, management effectively influences the population dynamics at a regional scale, and may play an essential role for their local survival.
	www.oikos.ekol.lu.se /lindbergia.23.2.abstracts/l802bisang.htm (179 words)

	New Zealand Anthocerotae (Hornworts)
		These are widely distributed in temperate and tropical latitudes; all genera found in tropics and subtropics; most found on moist mineral soil of banks and cliffs, among grasses, and along streams, from sea level to alpine elevations.
		Note, however, that only one modern hornwort genus, Phaeoceros, exhibits spores with a homogeneous wall resembling those of most fossil spores, and that molecular phylogenetic analysis suggests Phaeoceros to be derived.
		Recent DNA studies by Chris Cargill have shown Phaeoceros, as presently recognised, to be polyphyletic.
	www.peripatus.gen.nz /Taxa/Bryophyta/NZAnthocerotae.html (1908 words)

	Taxonomy & Systematics
		For this reason, it is useful to have an overview (here in list format) of the classification scheme for the genus, showing where individual species are placed.
		Phaeoceros taxa are generally more robust with stiffer, larger and often barbed setae, possess a tubular process on every valve in the colony, and have numerous granular chloroplasts in the body of each cell, which can migrate in and out of the setae.
		Both valves of this cell are the same: the drawing could be rotated 180° and it would have the same appearance.
	thalassa.gso.uri.edu:16080 /HABChaet/taxonomy (885 words)

	Auxin regulation of axial growth in bryophyte sporophytes: its potential significance for the evolution of early land ...
		In vitro growth of isolated sporophytes of Phaeoceros pearsonii, Pellia epiphylla, and Polytrichum ohioense measured every 24 h for 72 h in response to control medium (M), indole-3-acetic acid (A), or p-chlorophenoxyisobutyric acid (I).
		Basipetal auxin movement in isolated sporophytes of Phaeoceros pearsonii (open circles), Pellia epiphylla (closed circles), and Polytrichum ohioense (closed triangles) and in isolated coleoptiles of Zea mays (open triangles) in an agar-block apparatus over 5 h.
		The equations correspond to the best-fit lines calculated on the basis of the amount of radioactivity in the receiver blocks at each hour starting at 1 h, as depicted in Fig.
	www.amjbot.org /cgi/content/full/90/10/1405 (6912 words)

	artandthebryophyte (Site not responding. Last check: 2007-10-10)
		The ones I am posting are from a species of hornwort from Ecuador, and is known as Phaeoceros fimbriatus.
		Indeed it is a spore from a Phaeoceros species.
		Also, as luck would have it, the SEM managed to be fixed yesterday afternoon, so back I went and finished off the stub that I had started with.
	sts-dev.anu.edu.au /artandthebryophyte/index.php?paged=2 (1312 words)

	Campbell, Outred--Phaeoceros delicatus sp. nov.
		Phaeoceros delicatus a new species of Anthocerotae from New Zealand
		Abstract A new species of Phaeoceros, P. delicatus, is described from material collected in New Zealand.
		It is dioicous and is characterised by a costa with elongated cells, marginal gemmae, and spore ornamentation consisting of simple papillae on the proximal face and simple or multiple papillae on the distal face.
	www.rsnz.org /publish/nzjb/1995/74.php (105 words)

	BRYOPHYTES: Publications
		Competitive interactions between the liverwort Fossombronia and its community associates, Phaeoceros or Riccia.
		Kobiyama, Y. Studies of specialized pitted parenchyma cells of the liverwort Conocephalum Hill and their phylogenetic implications.
		Thompson, J. The significance of spore morphology in the Phaeoceros laveis (L.) Prosk.
	www.biologie.uni-hamburg.de /b-online/library/bryophytes/pub.html (413 words)

	Return of the hornworts
		Heading home across a stubble field, he spotted a small plant at his feet with flat green rosettes about the size of 50p pieces and long, stalk-like ‘horns’ growing out of them.
		He immediately recognised it as a hornwort, but it wasn’t until he got it back to the herbarium that he realised it was the Carolina hornwort Phaeoceros carolinianus, an endangered species never recorded in Scotland before.
		This chance find was exciting because hornworts, described by David as “puzzling, ancient plants”, are thought to be extremely scarce in Britain, and the Carolina is the rarest, previously only recorded in a few locations in the south of England.
	rbg-web2.rbge.org.uk /bbs/Learning/hornworts.htm (1245 words)

	Welcome to National Botanical Research Institute: NBRI Lucknow
		New species/reports: Frullania hattoriantha, Cephalozia magna, Phaeoceros udarii, Frullania udarii have been discovered as new to the science; Riccardia platyclada, Cephalozia siamensis, Frullania iniflexa, Lopholejeunea recurvata and Frullania rotundistipula have been reported for the first time from India.
		Diversity and distributional studies have been carried out on the genus Frullania, Phaeoceros and Folioceros of India.
		A rare Indian liverwort Anthoceros alpinus has been rediscovered after more than a century from the same bryogeographical region.
	www.nbri-lko.org /randdarea/biodiversity/bryology.htm (494 words)

	Bryophytes Research, Drs. Stotler and Crandall-Stotler, Department of Plant Biology, Southern Illinois University ...
		was described as a hornwort genus segregated from Phaeoceros Prosk.
		Male plants produce but one antheridium per chamber.
		Mature spores are fuscus rather than yellow as in Phaeoceros.
	bryophytes.plant.siu.edu /phymatoceroshome.html (92 words)

	Phylogenetic relationships of land plants using mitochondrial small-subunit rDNA sequences -- Duff and Nickrent 86 (3): ...
		1. Higher order structural model for the "core" mitochondrial-encoded small-subunit ribosomal RNA for Phaeoceros laevis (Anthocerophyta).
		which are more similar in length to Phaeoceros (37 nt, Fig.
		to Phaeoceros are four to seven times longer than those leading
	www.amjbot.org /cgi/content/full/86/3/372 (6651 words)

	[No title]
		A comparison is made with Leiosporoceros dussii (Hassel) and P. squamuligerus (Spruce) Hassel.
		Keywords Chile; Anthocerotae; East Indies; Equador; New Zealand; Leiosporoceros dussii; Phaeoceros hirticalyx; Phaeoceros squamuligerus
		B91033 ; Received 6 August 1991; accepted 23 February 1993
	www.rsnz.org /publish/nzjb/1993/15.php (89 words)

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