Cerrar
Does Pteridophyta form a monophyletic group with seed plants?
Does Pteridophyta form a monophyletic group with seed plants?
What characteristics does Pteridophyta share with seed plants?
Name all of the classes and orders within these classes for Pteridophyta
What do pteridophyta look like?
Are there any Pteridophyta that areepiphytic? And what does epiphytic mean?
What are the two kinds of sporangia Pteridophyta have? Describe them.
I am a Psilotopsida order that only makes one leaf a year. Who am i?
What is an anulus?
What type of sporangia does Psilotopsida have?
I am commonly called a "whisk fern". Who am I?
What are the general in the order Psilotales?
What phylum does Psilotum resemble and why?
What is a synangia?
What are the synangia of Psilotum composed of? And those of Tmesipteris?
Are the spores of Psilotales homosporous or heterosporous?
Where are the gametophytes of Psilotales located?
Which orders are the only eusporangiate ferns?
Does Marattiales have synangia?
What is the taxonomic classification of horsetails?
What kind of leaves does Equisetum have? What kind of character is this?
What is special about the epidermis of the Equisetum?
Label this diagram and say where it is on the plant?
What is present at each node of Equisetum?
Are spores of Equisetum homosporous or heterosporous?
What is a strobilus?
What are the characteristics of the Equisetum gametophyte?
What is the point of having archegonia and antheridia developing at different times on the same plant?
What kind of sporangia do Polypodiopsida have?
Where do most Filicales live?
What is circinate vernation?
What is sori?
Where do leptosporangia occur on Filicales?
What is an indusium?
What is a false indusium?
Is the gametophyte of Filicales dependent or independent?
Which are the only living heterosporus ferns?
