- The
order Salviniales (formerly
known as the
Hydropteridales and
including the
former Marsileales) is an
order of
ferns in the
class Polypodiopsida. Salviniales...
-
Filicidae and Filicales,
although at
least the "water ferns" (now the
Salviniales) were then
treated separately. The
leptosporangiate ferns are one of...
- (/sælˌvɪniˈeɪsiˌiː/), is a
family of
heterosporous ferns in the
order Salviniales. The
Salviniaceae contain the two
genera Azolla and Salvinia, with about...
-
Salviniales (heterosporous)...
- Four
extant groups of
plants are heterosporous; Selaginella, Isoetes,
Salviniales and seed plants.
Heterospory evolved due to
natural selection that favoured...
-
Extinct in the wild (EW): 45
species Critically endangered (CR): 5,702
species Endangered (EN): 10,901
species Vulnerable (VU): 9,673
species ...
-
extant families Order Schizaeales Schimp. – 3
extant families Order Salviniales Link – 2
extant families Order Cyatheales A.B.Frank – 8
extant families...
-
formerly given its own family. Salvinia, like the
other ferns in
order Salviniales, are heterosporous,
producing spores of
differing sizes. However, leaf...
- such as seed plants, spikemosses, quillworts, and
ferns of the
order Salviniales produce spores of two
different sizes: the
larger spore (megaspore) in...
- This page's list
covers the
ferns and
allies (Lycopodiopsida,
Equisetopsida and Pteridopsida)
found in
Great Britain and Ireland. For the
background to...
