Dryopteris carthusiana
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Read MorePosted by Michael Sundue | Jun 18, 2015 | Ferns, Observations
Dryopteris x triploidea is a hybrid formed by a cross between D. carthusiana and D. intermedia....
Read MorePosted by Jose A. Campos | Jan 22, 2015 | Ferns, Observations
Polystichum acrostichoides, known as Christmas fern, is native to eastern North America. It is...
Read MorePosted by Jose A. Campos | Jan 22, 2015 | Lycophytes
Diphasiastrum digitatum is an endemic in eastern North America. It can be found in coniferous and...
Read MoreBased on an estimate of 51 families worldwide. Total number of families on this website = 50.
Based on an estimate of 337 genera worldwide. Total number of genera on this website = 290.
Based on an estimate of 11,916 species worldwide. Total number of species on this website = 1603.