Phoenix wrap up

[starmack]

Stuck. Any help appreciated.

6d. 9 letters. Could swilling beer avert breakdowns of back in parts?
V???????L

30a. 8 letters. Mushy peas hold type of flower
No letters. Is it part anagram?

7d. 8 letters. Psychiatrist uses iron compound to diagnose syndrome
N???????

16a. 7 letters. Outside involvement in overturn of rule
Possible starts with F. No letters

1a. 8 letters. MP wrote a rambling piece on one of the dangers of steak tartare
T?P?W?R?

[emeritus]

30 Asphodel (anagram)

[Muffinbear]

6d vertebral
30a asphodel

[dannyk13]

6d. Vertebrae ( anagram of beer avert)

[slaney]

30a Asphodel - anagram peas hold

[Muffinbear]

1a tapeworm

[emeritus]

1a Tapeworm

[sandyRoe]

6 vertebral

[shaneystar2]

6 vertebral
30 asphodel
1 tapeworm

[Muffinbear]

7d

neurosis

[shaneystar2]

7 neurosis

[dannyk13]

7d. Neurosis(anagram of uses iron)
1a. Tapeworm(anagram 0f mp wrote a)

[slaney]

1a Tapeworm - anagram of wrote a +MP

[starmack]

16 worked out as FOREIGN

Thanks for help