Pectinatus

The large Manzala coastal lagoon supports beds of Ceratophyllum demersum, Potamogeton crispus, and P. pectinatus around the southern shore as well as dense phytoplankton. ❋ Unknown (2008)

The muddy bays of South Island have extensive submerged beds of Potamogeton pectinatus which shelter spawning fish. ❋ Unknown (2008)

In western Coahuila State, lechuguilla (Agave lechuguilla), Prosopis glandulosa and Opuntia macrocentra and Echinocereus pectinatus are the dominant species. ❋ Unknown (2008)

Growing submerged in the marsh pools and low salinity open water are narrow-leaved pondweed Potamogeton pectinatus, Zannichellia palustris, Ekebergia spp., ❋ Unknown (2008)

The dominant species of aquatic vegetation are Potamogeton illionoensis, Scirpus pectinatus, tule (Typha latifolia), T. dominguensis and Nymphaea mexicana. ❋ Unknown (2007)

When not in flower, this species bears a close resemblance to small plants of Cereus pectinatus. ❋ W. Watson (N/A)

When not in flower it might easily be mistaken for Echinocactus pectinatus. ❋ W. Watson (N/A)

Echinocactus pectiniferus (probably Echinocereus pectinatus) ❋ W. Watson (N/A)

Into those ponds much good duck food has been introduced, -- _Potamogeton pectinatus_ and _perfoliatus_. ❋ William Temple Hornaday (1895)

[Footnote 1: Two other species are found in the Ceylon waters, _P. cuspidatus_ and _P. pectinatus_.] [Illustration: HEAD OF THE SAWFISH (PRISTIS ANTIQUORUM)] ❋ James Emerson Tennent (1836)

[Footnote 1: Two other species are found in the Ceylon waters, _P. cuspidatus_ and _P. pectinatus_.] [Footnote 2: ELIAN mentions, amongst the extraordinary marine animals found in the seas around Ceylon, a fish _with feet instead of fins; ❋ James Emerson Tennent (1836)