Pteridophyte Slides There are 139 products.

Pt1776c Blechnum, macerated xylem elements w.m.

Pt1851d Botrychium, fern, stem t.s.

Pt1852d Botrychium, sporangium t.s.

Pt1861d Dennstaedtia, rhizome with amphiphloic siphonostele t.s.

Pt1863d Dennstaedtia, leaf with sori and sporangia t.s.

Pt151d Fern prothallium, young filamentous stage w.m.

Pt152e Fern prothallium, with antheridia w.m.

Pt153e Fern prothallium, with archegonia w.m.

Pt154f Fern prothallium, selected to show antheridia and archegonia w.m. *

Pt155d Fern prothallium, section with antheridia

Pt156e Fern prothallium, section with archegonia *

Pt157g Fern prothallium, older stage with young sporophyte and root w.m. *