Sword Fern Spores
This image includes one spore and the termination of two of the sporangiophores. The sporangiophore connects to the sporangium and the fern leaflet.
Transmitted Oblique Off Circular Polarized Light Illumination
Mickel, John T., 1979. HOW TO KNOW THE FERNS AND FERN ALLIES, Dubuque, Iowa. Wm. C. Brown.
Definition/Function
Sword Fern, Polystichum munitum, is found in the Northwest forests of North America and inland along some river valleys.Significance in the Environment
The spores and sporangia are released in the Spring.Characteristic Features
Associated Particles
References
Click here for images of over 15,000 pollens and spores. http://bss.sfsu.edu/holzman/courses/Fall00Projects/swordfern.htmlMickel, John T., 1979. HOW TO KNOW THE FERNS AND FERN ALLIES, Dubuque, Iowa. Wm. C. Brown.
