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SPECIAL COLLECTION:
Ferns & Fern Allies

The ferns are a group of vascular plants that differ from the seed plants in that they reproduce sexually via spores rather than seeds. Based upon recent molecular data the ferns are now also considered to include the horsetails (Equisetum) & whisk ferns (Psilotum).

  • February 7, 2017 - The higher order classification of ferns has been reorganized to correspond with:
    • PPG I (2016), A community-derived classification for extant lycophytes and ferns. Jnl of Sytematics Evolution, 54: 563–603. doi:10.1111/jse.12229

  • Polypodiopsida
    • Equisetidae (horsetails)
      • Equisetales
    • Ophioglossidae
      • Psilotales
      • Ophioglossales
    • Marattiidae
      • Marratiales
    • Polypodiidae (leptosporangiates)
      • Osmundales
      • Hymenophyllales
      • Gleicheniales
      • Schizaeales
      • Salviniales
      • Cyatheales
      • Polypodiales
Greenhouse Locator Map:

data regenerated on Tue, 22 Oct 2019 02:13:53 -0400

141 Accessions:

Angiopteris lygodiifolia Asplenium bulbiferum Asplenium nidus Azolla caroliniana Calamistrum globuliferum Equisetum pratense Lecanopteris sinuosa Marsilea quadrifolia Microsorum steerei Ophioglossum pendulum Regnellidium diphyllum Selaginella willdenowii Solanopteris brunei Tectaria gemmifera

Number in parentheses references locator map icons

  • {1} Lygodium circinnatum - Lygodiaceae
  • {2} Lygodium japonicum - Lygodiaceae
  • {3} Nephrolepis obliterata 'Kimberly Queen' - Kimberly Queen Fern - Nephrolepidaceae
  • {4} Deparia conilii - Athyriaceae
  • {4} Deparia conilii 'Ryu Ou' - Athyriaceae
  • {5} Dryopteris filix-mas 'Crispatissima' - Dwarf crinkled male fern - Dryopteridaceae
  • {5} Gymnocarpium dryopteris - Cystopteridaceae
  • {5} Onoclea sensibilis - Sensitive Fern - Onocleaceae W/C
  • {5} Osmunda regalis - Royal Fern - Osmundaceae W/C
  • {6} Doodia caudata - Small Rasp Fern - Blechnaceae
  • {6} Pellaea rotundifolia - Button Fern, Cliff Brake - Pteridaceae
  • {7} Azolla caroliniana - Mosquito Plant - Salviniaceae
  • {8} Actiniopteris semiflabellata - Pteridaceae
  • {8} Equisetum bogotense - Andean Horsetail, Cola de caballo - Equisetaceae
  • {8} Equisetum bogotense - Andean Horsetail - Equisetaceae
  • {8} Equisetum bogotense - Andean Horsetail - Equisetaceae W/C
  • {8} Equisetum bogotense - Andean Horsetail - Equisetaceae W/C
  • {8} Equisetum hyemale - Common Scouring Rush - Equisetaceae
  • {8} Equisetum laevigatum - Smooth Horsetail - Equisetaceae
  • {8} Equisetum pratense - Meadow Horsetail - Equisetaceae W/C
  • {8} Equisetum ramosissimum - Branched Horsetail - Equisetaceae
  • {8} Equisetum scirpoides - Dwarf Scouring Rush - Equisetaceae
  • {8} Equisetum telmateia ssp. braunii - Great Horsetail - Equisetaceae W/C
  • {8} Equisetum telmateia ssp. braunii - Equisetaceae W/C
  • {8} Equisetum telmateia ssp. telmateia - Giant Horsetail - Equisetaceae
  • {8} Equisetum variegatum - Equisetaceae W/C
  • {8} Equisetum variegatum 'Large Form' - Large Form - Equisetaceae
  • {8} Equisetum variegatum ssp. alaskanum - Equisetaceae
  • {8} Equisetum variegatum var. majus - Equisetaceae W/C
  • {8} Equisetum variegatum var. wilsoni - Equisetaceae W/C
  • {8} Equisetum x font-queri - Equisetaceae W/C
  • {8} Selaginella densa - Prairie club-moss, Rocky Mountains spike-moss - Selaginellaceae W/C
  • {9} Isoetes sp. - quillwort - Isoetaceae
  • {9} Regnellidium diphyllum - Clover two-leaf - Marsileaceae
  • {10} Equisetum x moorei - Equisetaceae W/C
  • {10} Selaginella cf. peruviana - Selaginellaceae
  • {10} Selaginella cf. wrightii - Wright's spike-moss - Selaginellaceae
  • {10} Selaginella watsonii - Alpine spike-moss, Watson's spike-moss - Selaginellaceae
  • {11} Huperzia obtusifolia - Tassel Fern - Lycopodiaceae
  • {11} Lygodium microphyllum - Lygodiaceae
  • {11} Phlegmariurus goebelii - Lycopodiaceae
  • {11} Phlegmariurus phlegmaria - Lycopodiaceae
  • {11} Phlegmariurus phlegmarioides - Lycopodiaceae
  • {11} Phlegmariurus squarrosus - Siam Fern Form - Lycopodiaceae
  • {11} Phlegmariurus squarrosus - Bali, Indonesia form - Lycopodiaceae
  • {11} Phlegmariurus squarrosus var. hippuroides - Lycopodiaceae
  • {11} Selaginella anceps - Selaginellaceae
  • {11} Selaginella moellendorffii - Gemmiferous Spikemoss - Selaginellaceae
  • {11} Selaginella pallescens aurea - Golden Sweat Plant - Selaginellaceae
  • {11} Selaginella vogelii - Selaginellaceae
  • {11} Selaginella willdenowii - Wildenow's Spike Fern - Selaginellaceae
  • {12} Calamistrum globuliferum - Pillwort - Marsileaceae
  • {12} Campyloneurum phyllitidis - Long Strap Fern - Polypodiaceae
  • {12} Coniogramme intermedia - Bamboo Fern - Pteridaceae
  • {12} Dennstaedtia cicutaria - Dennstaedtiaceae
  • {12} Marsilea drummondii - Nardoo - Marsileaceae
  • {12} Marsilea quadrifolia - European Water Clover - Marsileaceae
  • {12} Marsilea schelpeana - Small leafed water clover - Marsileaceae
  • {12} Microgramma lycopodioides - clubmoss snakefern - Polypodiaceae
  • {12} Microsorum sp. - Polypodiaceae
  • {12} Microsorum unidentified - Polypodiaceae
  • {12} Nephrolepis cordifolia 'Plumosa' - Fishbone Fern - Nephrolepidaceae
  • {12} Phlebodium aureum - Rabbit's Foot fern, Hare's Foot fern - Polypodiaceae
  • {13} Adiantum hispidulum cv. - Australian Maidenhair, Rough Maidenhair - Pteridaceae
  • {13} Aglaomorpha meyeniana - Bear's Paw Fern - Polypodiaceae
  • {13} Araiostegia pulchra - Davalliaceae
  • {13} Bolbitis heteroclita "difformis" - Dryopteridaceae
  • {13} Davallia fejeensis - Rabbit's Foot Fern - Davalliaceae
  • {13} Goniophlebium subauriculatum - Polypodiaceae
  • {13} Microsorum steerei - Blue Strap Fern - Polypodiaceae
  • {13} Ophioglossum pendulum - Ophioglossaceae
  • {13} Ophioglossum petiolatum - Stalked Adder's Tongue - Ophioglossaceae
  • {13} Phlegmariurus phlegmaria - Lycopodiaceae
  • {13} Psilotum nudum - Whisk Fern, Skeleton Fork Fern - Psilotaceae
  • {13} Psilotum nudum - miniature form - Psilotaceae
  • {13} Psilotum nudum 'Bunryu Zan' - Appendageless Psilotum - Psilotaceae
  • {13} Pteris ensiformis - slender brake - Pteridaceae
  • {13} Scyphularia pentaphylla - Black Caterpillar Fern - Davalliaceae
  • {14} Acrostichum aureum - Leather Fern, Coastal Leather Fern - Pteridaceae
  • {14} Angiopteris lygodiifolia - Mules Foot Fern - Marattiaceae
  • {14} Asplenium nidus - Birds Nest Fern, Pakpak-lauin - Aspleniaceae
  • {14} Colysis hemionitidea - Polypodiaceae
  • {14} Hypolepis dicksonioides - Cloud Ground Fern - Dennstaedtiaceae W/C
  • {14} Microlepia strigosa - Lace Fern - Dennstaedtiaceae
  • {14} Microsorum punctatum "Grandiceps" - Climbing Bird's Nest Fern - Polypodiaceae
  • {14} Microsorum scandens - Fragrant Fern - Polypodiaceae
  • {14} Platycerium grande - Polypodiaceae
  • {14} Platycerium wandae - Polypodiaceae
  • {15} Adiantum cv. "Ocean spray" - 'Ocean Spray' Maidenhair Fern - Pteridaceae
  • {15} Adiantum cv. (variegated) - Pteridaceae
  • {15} Adiantum pulverulentum - Glossy Maidenhair - Pteridaceae
  • {15} Adiantum raddianum cv. - Maidenhair fern - Pteridaceae
  • {15} Araiostegia hymenophylloides - Davalliaceae
  • {15} Asplenium sp. - Aspleniaceae
  • {15} Cheilanthes microphylla - Pteridaceae
  • {15} Drynaria bonii - Polypodiaceae
  • {15} Hemionitis arifolia - Heart Fern - Pteridaceae
  • {15} Lemmaphyllum microphyllum - Polypodiaceae
  • {15} Neolepisorus ovatus - syn Neolepisorus phyllomanes - Polypodiaceae
  • {15} Polypodiodes formosana - Grub Fern, Caterpillar Fern - Polypodiaceae
  • {15} Pteris cretica - Cretan Brake, Table Fern - Pteridaceae
  • {15} Pyrrosia polydactylis - Felt Fern - Polypodiaceae
  • {15} Solanopteris brunei - Potato Fern - Polypodiaceae
  • {15} Vittaria indet. - Shoestring Fern - Pteridaceae
  • {16} Aglaomorpha speciosa - Polypodiaceae
  • {16} Anemia tomentosa - Anemiaceae
  • {16} Asplenium bulbiferum - Hens and Chickens Fern - Aspleniaceae
  • {16} Blechnum gracile - Blechnaceae W/C
  • {16} Cyrtomium falcatum - Japanese Holly Fern - Dryopteridaceae
  • {16} Doryopteris concolor - Hand Fern - Pteridaceae
  • {16} Pellaea falcata - Sickle Fern, Australian Cliff Brake - Pteridaceae
  • {16} Pellaea viridis - Green Cliffbrake - Pteridaceae
  • {16} Pseudodrynaria coronans - Santa Rosa Fern - Polypodiaceae
  • {16} Rumohra adiantiformis - Leatherleaf Fern - Dryopteridaceae
  • {16} Tectaria gemmifera - Snail Fern - Tectariaceae
  • {16} Tectaria zeylanica - Tectariaceae
  • {17} Ceratopteris sp. - water sprite - Pteridaceae
  • {17} Microgramma nitida - Polypodiaceae
  • {17} Pyrrosia lingua - Tongue Fern, Japanese Felt Fern - Polypodiaceae
  • {17} Stenochlaena palustris - Blechnaceae
  • {18} Equisetum diffusum - Himalayan Horsetail - Equisetaceae
  • {18} Equisetum giganteum - Equisetaceae W/C
  • {18} Equisetum giganteum - Equisetaceae W/C
  • {18} Equisetum giganteum - Equisetaceae W/C
  • {19} Equisetum giganteum - Equisetaceae W/C
  • {19} Equisetum myriochaetum - Equisetaceae
  • {20} Lecanopteris luzonensis - Ant Fern - Polypodiaceae
  • {20} Lecanopteris sinuosa - Polypodiaceae
  • {21} Platycerium alcicorne - narrow leaved Madagascan form - Polypodiaceae W/C
  • {21} Platycerium stemaria - Triangle Staghorn - Polypodiaceae
  • {22} Platycerium coronarium - Polypodiaceae
  • {23} Platycerium bifurcatum - Polypodiaceae
  • {24} Hypolepis tenuifolia - Dennstaedtiaceae W/C
  • {24} Platycerium alcicorne - Polypodiaceae W/C
  • {24} Stenochlaena tenuifolia - Giant Vine Fern - Blechnaceae
  • {25} Dennstaedtia bipinnata - Bipinnate Cuplet Fern - Dennstaedtiaceae
  • {0} Platycerium andinum - American Staghorn - Polypodiaceae
  • {0} Platycerium madagascariense - Polypodiaceae
  • {0} Platycerium quadridichotomum - Polypodiaceae
  • {0} Platycerium veitchii - Polypodiaceae
  • {0} Salvinia adnata - Giant Salvinia (syn. S. molesta) - Salviniaceae

W/C = Wild Collected
= Currently Flowering
= Image(s) Available
= map available for this accession
= voucher(s) on file at CONN for this accession
= accession added within past 90 days
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