Marc Philippe

7 Questions 198 Answers 0 Followers

Questions related from Marc Philippe

What could be this freswater fossils?

Bonjour, in a silicifed peat thin-section (Tertiary of north-eastern France) plenty of these smal shells. They are about 500-600 µm long At first I thought foraminifers, however modern freshwater...

10 December 2024 9,811 3 View

Coulkd you help finding a paper about Bryophytes ?

Some monthes ago on RG I found a nice paper by a bryologist explaining that in a single small tuff of epiphytic mosses different species might co-occur. I remember a plate illustrating type...

02 July 2024 5,144 0 View

Can nematodes tunnel wood ?

Nematodes as Pinewood Nematode can colonize wood, making their way in the tracheids and ray cells. I wander if they can also dig through the tracheid wall. In other words are some nematods abble...

01 April 2020 861 2 View

Does someone has an interest for XIXth century herbaria prepared in Brazil?

While investigating about French women botanists in the XIXth Century I chanced upon two herbarias, made from plants collected in Brazil. I am looking for someone who could help to evaluate the...

08 October 2019 2,852 6 View

Who could send a pdf of bryophyte red lists?

Dear all, I am looking for the PDFs of three Red Lists for Bryophytes : Red List for Europe (ECCB, 1995) ; Projet de livre rouge français (DEPÉRIERS-ROBBE 2000) ; World Red List (TAN et al....

29 November 2017 4,176 2 View

Stratigraphy of Tho-Chu sandstones (SW Vietnam)?

Hello, does anyone have some information about the age of the sandstones cropping out in the Tho-Chu (Tho-Chau) island, in SW Vietnam ? It was first given as "Grés supérieurs" (hence...

14 April 2017 3,671 3 View

What is Melocactus cephalium growth speed?

Bonjour, I am looking for informations about the growth speed of Melocactus cephalium. Would you have data, references ? seasonnal greetings marc

21 December 2016 4,839 3 View