En ambientes naturales la micorriza provee una ventaja ecologica a helechos que crecen en sustratos pobres en nutrimientos (Kessler, Jonas, Strasberg, & Lehnert, 2010), y recientemente, se demostro la primera evidencia directa del intercambio de carbono por nutrimentos durante la simbiosis micorrizica en
Ophioglossum vulgatum L.
2010, entre otros), muestran que las especies del genero Blechnum constituyen una serie poliploide, como las que fueran descritas para Asplenium, Polystichum,
Ophioglossum, Cystopteris, o el grupo Polypodium vulgare L.
Three perennial species were chosen Solanum forskalii Dunal, Senna holosericea (Fresen) Greuter and Heliotropium
ophioglossum Stocks ex Boiss.
Species Years when present C value None in years 1-5 Acer saccharum 17-50 4 Crataegus crus-galli 17-50 4 Liparis loeselh 17 4 Galium triflorum 27-50 5
Ophioglossum vulgatum 27 4 Lactuca floridana 35-50 5 Carex amphibola 38 8 Carex radiata 38 4 Rubus occidentales 38 4 Smilax lasioneuron 38 4 Fraxinum americana 38-50 4 Leersia virginica 38-50 4 Asimina triloba 50 6 Carya ovata 50 4 Galium circaezans 50 7 Packera obovata 50 7 Prunus serotina 50 4 Ranunculus recurvatus 50 5 Symphyotrichum shortii 50 6
Carex ornithopoda 8 9 Cirsium acaule 16 9 Gymnadenia conopsea 8 8 Leontodon hispidus 40 11 Linum catharticum 24 5 Ononis arvensis 68 28
Ophioglossum vulgatum 16 22 Pimpinella saxifraga 80 31 Plantago media 44 12 Primula veris 84 15 Trifolium montanum 32 8 Class Trifolio-Geranietea Agrimonia eupatoria 52 4 Origanum vulgare 16 1 Solidago virgaurea 36 .
hierba
Ophioglossum engelmannii Prantl hierba POLYPODIACEAE Phlebodium areolatum hierba (Humb.
Table 7-1 Chromosome Numbers of Different Organisms Diploid chromosome Organism numbers Haplopoappus gracilis (small desert plant) 4 Mosquito 6 Onion 16 Cabbage 18 Corn 20 Sunflower 34 Cat 38 Human 46 Plum 48 Dog 78 Goldfish 94
Ophioglossum reticulatum (fern) 1260 Courtesy of Rick Parker.
Zea mays) + Convolvulaceae + Cypemceae + + + + Dipsacaceae + Lamiaceae + Liliaceae + Onagmceae + Poaceae + + + + Polygalaceae + + Polygonaceae + + + + Primulaceae + Ranunculaceae + Rumex + Typhaceae + + + BRYOPHYTA Phaeoceros + + Sphagnum + + PTERIDOPHYTA Alsophila + + + + Anogramma + + + Anemia + + + Blechnum + + + + Botrychium + + + + Cyathea + + + Cyathaceae + + + + Cystopteris + + Dicksonia + + + Dicranoglossum + + + Dicranopteris + + + + Huperzia + + + Hymenophyllum + + + Gleichenia + + Lophosoria + + Lycopodiella + + Lycopodium + Lygodium + Marratiaceae + Microgramma + + + +
Ophioglossum + Osmunda + + + + Polypodiaceae + Plagiogyria + Pterideae + + + + Schizea + Selaginella + + + + Vittariacae + Figura 5.
Maxon H ECT 2098 OPHIOGLOSSACEAE (1/1)
Ophioglossum reticulatum L.
Alnus Lycopodium annotinum Lycopodium complanatum Equisetum Polypodiaceae *
Ophioglossum Botrychium Sphagnum
Eleusine flagellifera, Lasiurus sindicus, Sarcharum spontaneum, Sporobolus marginatus Forbs:, Aerva tomentosa, Cassia holosericea, Convolvulus glomeratus, Crotolaria bifolia, Fagonia critira, Heliotrpium
ophioglossum, Indigofera oblongifloia, Rhynorosia minima Central Trees/Shrubs: Cymbopogon choenanthus, Baluchistan Chrysopogon montanus, Juniperus ruilges macrooda, Pistacia sp.
The reference, he says, is to "The Asplenium Scolopendrium, called in some countries the Adder's Tongue, in others the Hart's Tongue, but Withering gives the Adder's tongue as the trivial name of the
Ophioglossum only.
Ophioglossum - the type genus of the fern family Ophioglossaceae