Phlegmariurus polycarpos
Phlegmariurus polycarpos is among the smallest species of Phlegmariurus. It is a widespread...
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Primary collector: W. Testo
Phlegmariurus eversus
This species is abundant in medium- to high-elevation disturbed sites in the neotropics, such as...
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Pteris ×caridadiae
Pteris ×caridadiae Testo & J. E. Watkins is a sterile hybrid between Pteris podophylla and...
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Pteris podophylla
Rhizome Rachis-costa architecture Pinna Petiole cross section Petiole base with scales Leaf Habit...
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Polypodium appalachianum
Polypodium appalachianum is a common member of the Polypodium vulgare species complex in eastern...
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