Ferns Flashcards
Euphyllophytes
- Leaves called euphylls (aka megaphylls)
- several strands of vascular tissue
FAMILY: ASPLENIACEAE
GENUS: ASPLENIUM
COMMON: Spleenwort
- spores in kidney or linear shaped sori
- indusia present
FAMILY: ASPLENIACEAE
GENUS: ASPLENIUM
COMMON: Walking Fern
FAMILY: DENNSTAEDTIACEAE
GENUS: PTERIDIUM
COMMON: Bracken Fern
-marginal sori covered by false indusium
FAMILY: DENNSTAEDTIACEAE
GENUS: PTERIDIUM
COMMON: Hay-scented Fern
FAMILY: DRYOPTERIDACEAE
GENUS: DRYOPTERIS
COMMON: Wood Fern
FAMILY: DRYOPTERIDACEAE
GENUS: DRYOPTERIS
COMMON: Goldie’s Wood Fern
FAMILY: DRYOPTERIDACEAE
GENUS: POLYSTICHUM
COMMON: Christmas Fern
FAMILY: EQUIETACEAE
GENUS: EQUISETUM
COMMON: Scouring Rush
- homospores possess chloroplasts
- reduced leaves in whorls at each node
- 10 sporangia = 1 sporangiophore
-sporangiophores make 1 terminal strobilus
-spores have 4 elators that dry and project spores
FAMILY: EQUIETACEAE
GENUS: EQUISETUM
COMMON: Horsetail
- homospores possess chloroplasts
- reduced leaves in whorls at each node
- 10 sporangia = 1 sporangiophore
- sporangiophores make 1 terminal strobilus
- spores have 4 elators that dry and project spores
FAMILY: LYGODIACEAE
GENUS: LYGODIUM
COMMON: Climbing Fern
- vines or grass-like
- dimorphic leaves
FAMILY: ONOCLEACEAE
GENUS: ONOCLEA
COMMON: Sensitive Fern
- dimorphic leaves: vegetative + reproductive
- each sorus completely enclosed in leafy material
FAMILY: OPHIOGLOSSACEAE
GENUS: OPHIOGLOSSUM
COMMON: Adder’s Tongue
- dimorphic leaves
- sporangia in upright fertile spike
- most chromosomes (n=621)
FAMILY: OPHIOGLOSSACEAE
GENUS: BOTRYPUS
COMMON: Rattlesnake Fern
-sporangia in upright fertile region
FAMILY: OSMUNDACEAE
GENUS: OSMUNDASTRUM
COMMON: Cinnamon Fern